HEADPHONES · YOUR NEXT FACE-OFF

Beyerdynamic DT 770 PRO vs Nothing CMF Buds 2

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

Beyerdynamic DT 770 PRO

Classic black/grey · 80 ohm · 474746

Full product profile Official image

Exact model & source notes

The DT 770 PRO (80 ohm) is a closed-back, over-ear headphone with a dynamic driver and bass-reflex system rated 5–35,000 Hz. It offers about 18 dBA of passive noise attenuation, replaceable velour pads and a fixed 3 m cable.

Specifications checked 11 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

WHICH SUITS YOU?

Choose the Beyerdynamic DT 770 PRO for

A wired connection

Choose the Nothing CMF Buds 2 for

A wireless connection

Built from verified specifications that differ. Not a rating or a recommendation.

See the 3 verified differences

THE CONTENDER

Nothing CMF Buds 2

6974434225053 · Light Green · UK

CMF Buds 2 light green earbuds in an open light green charging case marked Buds 2

Full product profile Official image

Exact model & source notes

CMF Buds 2 (store SKU 6974434225053 in Light Green on the UK and US Nothing stores) are true wireless earbuds from Nothing's CMF sub-brand with hybrid ANC up to 48 dB, an 11 mm driver with Dirac tuning, six microphones and Bluetooth 5.4 with dual connection.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

Beyerdynamic DT 770 PRO UK & US retailers

UK & US price history: no verified listing yet

Nothing CMF Buds 2 UK & US retailers

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison

Manufacturer facts for the exact models shown. Not a quality rating or a test result.
“Different” means the known values differ, not that one is better.
Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.

FEATURES SIDE BY SIDE6 topics

Yes and No describe the listed feature. Missing evidence stays unverified.

SELECTED TOPIC

01 / 06

Open-back design

Open-back earcups are not sealed. Start here if your listening space is quiet; this construction is not a sound-quality rating.

Beyerdynamic DT 770 PRONo

Closed-back. Manufacturer specification

Source 1

Nothing CMF Buds 2Not verified

Choose your must-haves

Start with your listening environment. Open and closed earcups suit different surroundings. A closed back is not the same as active noise cancellation. Check the exact cable and headphone output. We do not turn impedance, driver size or unpaired lab results into a sound-quality score.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

3 verified differences, most decision-relevant first. Missing information stays separate.

Wired / wireless connections

Beyerdynamic DT 770 PROWired; fixed single-sided 3.5 mm stereo cable with supplied screw-on 6.35 mm adapter

Nothing CMF Buds 2Bluetooth 5.4 (AAC, SBC) with dual connection; USB-C charging on the case

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification · Three-pole stereo connection; audio only.

Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — 80-ohm model Beyerdynamic DT 770 PRO — current instruction manual

Nothing CMF Buds 2

Manufacturer specification · The manufacturer lists AAC and SBC codec support; support for other codecs remains unverified. Fast charging is quoted with a Type-C charging cable.

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications

Check the exact configuration and source conditions for your use.

Driver construction

Beyerdynamic DT 770 PRODynamic transducer with a bass-reflex acoustic system

Nothing CMF Buds 2Custom 11 mm dynamic driver, PMI + PU diaphragm, Dirac Opteo tuning

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification

Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual

Nothing CMF Buds 2

Manufacturer specification

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications

Check whether the diameter describes the complete transducer or only its diaphragm. Different labels and driver sizes do not establish better sound.

Wearing style

Beyerdynamic DT 770 PROOver-ear (circumaural), closed-back dynamic headphones

Nothing CMF Buds 2In-ear, true wireless (ear tips in sizes S, M and L)

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification

Beyerdynamic DT 770 PRO — manufacturer specifications

Nothing CMF Buds 2

Manufacturer specification · A pair of earbuds and a charging case; ear tips in sizes S, M and L are in the box. Nothing does not state the ear tip material.

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications

Check the exact configuration and source conditions for your use.

Missing or non-comparable evidence (34)

Acoustic design

Beyerdynamic DT 770 PROClosed-back

Nothing CMF Buds 2Not verified

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification

Beyerdynamic DT 770 PRO — manufacturer specifications

Nothing CMF Buds 2

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Active noise cancellation

Beyerdynamic DT 770 PRONot verified

Nothing CMF Buds 2Yes

Sources

Beyerdynamic DT 770 PRO

The reviewed exact sources do not explicitly establish active noise cancellation absence. Preserve separately sourced acoustic design and passive attenuation; they cannot turn omitted ANC into a false capability. · Manufacturer specification

Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual

Nothing CMF Buds 2

Manufacturer specification · Hybrid ANC up to 48 dB (Nothing's laboratory theoretical maximum) over up to 5200 Hz, with Environmental Adaptive mode and Transparency mode.

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Microphone

In Visual facts

Beyerdynamic DT 770 PRONot verified

Nothing CMF Buds 2Yes

Sources

Beyerdynamic DT 770 PRO

The reviewed exact sources do not explicitly establish microphone absence. Omission from a package or technical inventory, a stereo audio connector, and a without-remote statement do not establish microphone=false. · Manufacturer specification

Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual

Nothing CMF Buds 2

Manufacturer specification · Six HD microphones in total (three per bud) with Clear Voice Technology 3.0 and Wind Noise Reduction 3.0.

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Battery life

Beyerdynamic DT 770 PRONot verified

Nothing CMF Buds 2Earbuds up to 7.5 hours with ANC on and 13.5 hours with ANC off; with the charging case 32 hours with ANC on and 55 hours with ANC off.

Sources

Beyerdynamic DT 770 PRO

The reviewed exact sources do not explicitly establish battery life or that no battery is required for operation. A wired/dynamic audio path, omitted charger or Battery included N is not an explicit operating-power requirement. · Manufacturer specification

Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual

Nothing CMF Buds 2

Manufacturer specification · Nothing laboratory results at 25 °C, 50% volume, AAC, other features at default settings; actual life varies with use. Talk time is listed separately (earbuds 7 h ANC on / 8.5 h ANC off; with case 30 h / 35 h).

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Nominal impedance

Beyerdynamic DT 770 PRO80 ohm

Nothing CMF Buds 2Not verified

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification · Nominal impedance; check that your audio source can drive this load.

Beyerdynamic DT 770 PRO — manufacturer specifications

Nothing CMF Buds 2

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Companion app

Beyerdynamic DT 770 PRONot verified

Nothing CMF Buds 2Nothing X app (Android and iOS): customise equaliser and controls, find my earbuds, low lag mode, software updates

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Nothing CMF Buds 2

Manufacturer specification · Nothing X is for Android 6.0 and above and iOS 13 and above; on Nothing OS 1.5.6 and higher the settings are built into the phone.

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Battery capacity

Beyerdynamic DT 770 PRONot verified

Nothing CMF Buds 2Earbuds 53 mAh each; case 460 mAh

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Nothing CMF Buds 2

Manufacturer specification

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Cable arrangement

Beyerdynamic DT 770 PROFixed, single-sided straight cable

Nothing CMF Buds 2Not verified

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification

Beyerdynamic DT 770 PRO — manufacturer specifications

Nothing CMF Buds 2

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Cable length

Beyerdynamic DT 770 PRO3 m

Nothing CMF Buds 2Not verified

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification · Straight cable on the 80-ohm model.

Beyerdynamic DT 770 PRO — manufacturer specifications

Nothing CMF Buds 2

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Charge time

Beyerdynamic DT 770 PRONot verified

Nothing CMF Buds 2Full charge 93 minutes; earbuds in case 62 minutes

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Nothing CMF Buds 2

Manufacturer specification · Charging time table. Nothing's copy adds that a 10-minute top-up gives 7.5 hours of playback.

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Bluetooth codecs

Beyerdynamic DT 770 PRONot verified

Nothing CMF Buds 2AAC, SBC

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Nothing CMF Buds 2

Manufacturer specification

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Supplied plug and adapter

Beyerdynamic DT 770 PRO3.5 mm stereo plug; screw-on 6.35 mm adapter

Nothing CMF Buds 2Not verified

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification · Gold-plated 3.5 mm plug with screw-on adapter; a drawstring bag is also supplied.

Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual

Nothing CMF Buds 2

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published headband pressure

Beyerdynamic DT 770 PROConflicting evidence

Nothing CMF Buds 2Not verified

Sources

Beyerdynamic DT 770 PRO

beyerdynamic's data sheet lists approx. 3.5 N; its product page lists a firm fit of approx. 3.5–5.5 N. · Manufacturer specification · Nominal clamping force; individual fit and comfort can differ.

Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — 80-ohm model Beyerdynamic DT 770 PRO — current instruction manual

Nothing CMF Buds 2

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Controls

Beyerdynamic DT 770 PRONot verified

Nothing CMF Buds 2Touch controls: double tap to skip forward or answer/hang up calls; triple tap to skip back or reject calls; tap and hold to switch between Active Noise Cancellation and Transparency Mode.

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Nothing CMF Buds 2

Manufacturer specification · Customisable (footnote 7): double tap, triple tap, tap & hold and double tap & hold can be set to next song, previous song, volume up, volume down, voice assistant or switching noise cancellation modes, via phone settings on Nothing OS 1.5.6+ or the Nothing X app on Android 6.0+/iOS 13+.

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published distortion limit

Beyerdynamic DT 770 PRO<0.2%

Nothing CMF Buds 2Not verified

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification · beyerdynamic does not state the test level or frequency for this figure.

Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual

Nothing CMF Buds 2

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Driver diameter

Beyerdynamic DT 770 PRONot verified

Nothing CMF Buds 2Not verified

Sources

Beyerdynamic DT 770 PRO

beyerdynamic does not state the driver diameter for the 80-ohm DT 770 PRO. · Manufacturer specification

Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — 80-ohm model Beyerdynamic DT 770 PRO — current instruction manual

Nothing CMF Buds 2

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Earpads

Beyerdynamic DT 770 PROGrey velour

Nothing CMF Buds 2Not verified

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification · User-replaceable; the 32-ohm model uses different pads.

Beyerdynamic DT 770 PRO — 80-ohm model Beyerdynamic DT 770 PRO — current instruction manual

Nothing CMF Buds 2

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Quick pairing

Beyerdynamic DT 770 PRONot verified

Nothing CMF Buds 2Google Fast Pair and Microsoft Swift Pair

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Nothing CMF Buds 2

Manufacturer specification · Fast Pair works on supported Android devices running Google Play services 11.7+ (back to Android 6.0); Find My and device renaming support need Android 10 or later.

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Frequency characteristic

Beyerdynamic DT 770 PRODiffuse-field equalised

Nothing CMF Buds 2Not verified

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification

Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual

Nothing CMF Buds 2

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rated frequency range

Beyerdynamic DT 770 PRO5–35,000 Hz

Nothing CMF Buds 2Not verified

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification · beyerdynamic does not state the attenuation threshold for this range.

Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual

Nothing CMF Buds 2

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

HEADPHONE LAB software

Beyerdynamic DT 770 PROSupported through a separate DAW plug-in

Nothing CMF Buds 2Not verified

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification · Separate plug-in for Windows/macOS audio software (VST3, AU, AAX) with crossfeed and optional room simulation; there is no standalone version. beyerdynamic's individual factory-calibration list names other models, not this DT 770 PRO.

Beyerdynamic DT 770 PRO — 80-ohm model Beyerdynamic HEADPHONE LAB — software operation and calibration scope

Nothing CMF Buds 2

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

In-ear detection

Beyerdynamic DT 770 PRONot verified

Nothing CMF Buds 2Yes

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Nothing CMF Buds 2

Manufacturer specification

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rated input power limit

Beyerdynamic DT 770 PRO100 mW

Nothing CMF Buds 2Not verified

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification · Power handling capacity, not the amplifier power the headphones need.

Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual

Nothing CMF Buds 2

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Low lag mode

Beyerdynamic DT 770 PRONot verified

Nothing CMF Buds 2110 ms with a Nothing phone in Game Mode

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Nothing CMF Buds 2

Manufacturer specification · The Other features table says 'less than 110 ms under Game Mode' with a Nothing Phone; footnote 5 says latency can be reduced to as low as 110 ms with Nothing phones and Game Mode on. Source field: Low lag mode.

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Multipoint (dual connection)

Beyerdynamic DT 770 PRONot verified

Nothing CMF Buds 2Yes

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Nothing CMF Buds 2

Manufacturer specification

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published passive noise attenuation

Beyerdynamic DT 770 PROApprox. 18 dBA

Nothing CMF Buds 2Not verified

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification · Figure for the 80- and 250-ohm models; the 32-ohm model is rated at about 20 dBA. Not active noise cancellation or hearing protection.

Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual

Nothing CMF Buds 2

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Nominal sound pressure level

Beyerdynamic DT 770 PRO96 dB

Nothing CMF Buds 2Not verified

Sources

Beyerdynamic DT 770 PRO

beyerdynamic lists a nominal 96 dB SPL without stating the input reference, so it cannot be compared directly with 1 V rms figures. · Manufacturer specification

Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual

Nothing CMF Buds 2

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Replaceable components

Beyerdynamic DT 770 PROUser-replaceable ear and headband pads; other repairs through service

Nothing CMF Buds 2Not verified

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification · The manual explains pad replacement and refers other repairs to beyerdynamic service. The cable is fixed at the earcup.

Beyerdynamic DT 770 PRO — 80-ohm model Beyerdynamic DT 770 PRO — current instruction manual

Nothing CMF Buds 2

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Sound features

Beyerdynamic DT 770 PRONot verified

Nothing CMF Buds 2Dirac Opteo, Spatial Audio Effect, Ultra Bass Technology, Custom EQ; tuning by Nothing and Dirac

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Nothing CMF Buds 2

Manufacturer specification · The Sound features table says 'Ultra Bass Technology'; the product copy calls it 'Ultra Bass Technology 2.0'.

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Spatial audio

Beyerdynamic DT 770 PRONot verified

Nothing CMF Buds 2Spatial Audio Effect (HRTF-based)

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Nothing CMF Buds 2

Manufacturer specification · Nothing says it is powered by an HRTF-based algorithm; head tracking is not mentioned.

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Dust, sweat and water resistance

Beyerdynamic DT 770 PRONot verified

Nothing CMF Buds 2IP55 (earbuds)

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Nothing CMF Buds 2

The specification lists 'IPX2 case', but footnote 4 says the charging case is not rated for water-proofing; the case rating is therefore left out. · Manufacturer specification

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Weight per earbud

Beyerdynamic DT 770 PRONot verified

Nothing CMF Buds 24.5 g

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Nothing CMF Buds 2

Manufacturer specification · Each earbud. The charging case weighs 41.5 g.

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Weight including cable

Beyerdynamic DT 770 PRO375 g

Nothing CMF Buds 2Not verified

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification · Including cable, per beyerdynamic's product page; its data sheet and manual list 345 g without saying whether the cable is included.

Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — 80-ohm model Beyerdynamic DT 770 PRO — current instruction manual

Nothing CMF Buds 2

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Dimensions

Beyerdynamic DT 770 PRONot verified

Nothing CMF Buds 2Each earbud 33.4 x 20.6 x 22.8 mm; charging case 53.3 x 53.3 x 23 mm (height x width x depth)

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Nothing CMF Buds 2

Manufacturer specification

Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

0 shared fields have the same recorded value.

YOUR HEADPHONES. YOUR RULES.

Check against your must-haves

Feature matching for the features you select. It doesn’t rate sound or comfort.

Start with your listening setup.

Choose a starting point, then fine-tune your must-haves.

FINE-TUNE THE DETAILS

Your essentials.

These shortcuts select the features shown above. Check the fit against your own equipment and listening space.

A feature match describes the selected requirements. It doesn’t rate sound or comfort.

Open-back designFor a quiet listening spaceClosed-back designAn enclosed outer earcupDetachable cableUnplug the cable at the headphonesBuilt-in microphoneFor calls and voice chatActive noise cancellationNot the same as a closed back

YOUR CHOICE

Beyerdynamic DT 770 PRO

Select a feature to check your fit.

YOUR CHOICE

Nothing CMF Buds 2

Select a feature to check your fit.

Feature matching, not a sound-quality score. The specification table links to the evidence for each feature.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

Beyerdynamic DT 770 PRO

What it brings

The closed-back design gives about 18 dBA of passive noise attenuation, and its dynamic driver with bass-reflex system is rated 5–35,000 Hz at 80 ohms.
Manufacturer source Manufacturer source Manufacturer source
A 3.5 mm plug with a screw-on 6.35 mm adapter covers both common headphone sockets, and the ear and headband pads can be replaced by the owner.
Manufacturer source Manufacturer source Manufacturer source

What to check

The supplied straight cable is 3 m long.
Manufacturer source Manufacturer source Manufacturer source
It weighs 375 g with the cable and is built for a firm professional fit; beyerdynamic's pages give the headband pressure as about 3.5 N in one place and 3.5–5.5 N in another.
Manufacturer source Manufacturer source Manufacturer source

Nothing CMF Buds 2

What it brings

Nothing rates 13.5 hours per charge and 55 hours with the case with ANC off, or 7.5 and 32 hours with ANC on.
Manufacturer source
Six microphones with wind-noise reduction are aimed at calls, and the earbuds are rated IP55.
Manufacturer source

What to check

The manufacturer lists AAC and SBC codec support; support for other codecs is not established by the retained source.
Manufacturer source
Nothing lists USB-C case charging; wireless charging support is not established by the retained source. The page gives conflicting case water-resistance statements.
Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

37 of 37 specifications Sources in each row

Source-backed specifications for Beyerdynamic DT 770 PRO and Nothing CMF Buds 2
Specification	Beyerdynamic DT 770 PRO	Nothing CMF Buds 2

Wearing styleDifferent Sources Beyerdynamic DT 770 PRO Manufacturer specification Beyerdynamic DT 770 PRO — manufacturer specifications Nothing CMF Buds 2 Manufacturer specification · A pair of earbuds and a charging case; ear tips in sizes S, M and L are in the box. Nothing does not state the ear tip material. Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications	Over-ear (circumaural), closed-back dynamic headphones	In-ear, true wireless (ear tips in sizes S, M and L)
Acoustic design Sources Beyerdynamic DT 770 PRO Manufacturer specification Beyerdynamic DT 770 PRO — manufacturer specifications Nothing CMF Buds 2 No source recorded.	Closed-back	Not provided
Weight including cable Sources Beyerdynamic DT 770 PRO Manufacturer specification · Including cable, per beyerdynamic's product page; its data sheet and manual list 345 g without saying whether the cable is included. Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — 80-ohm model Beyerdynamic DT 770 PRO — current instruction manual Nothing CMF Buds 2 No source recorded.	375 g	Not provided
Earpads Sources Beyerdynamic DT 770 PRO Manufacturer specification · User-replaceable; the 32-ohm model uses different pads. Beyerdynamic DT 770 PRO — 80-ohm model Beyerdynamic DT 770 PRO — current instruction manual Nothing CMF Buds 2 No source recorded.	Grey velour	Not provided
Replaceable components Sources Beyerdynamic DT 770 PRO Manufacturer specification · The manual explains pad replacement and refers other repairs to beyerdynamic service. The cable is fixed at the earcup. Beyerdynamic DT 770 PRO — 80-ohm model Beyerdynamic DT 770 PRO — current instruction manual Nothing CMF Buds 2 No source recorded.	User-replaceable ear and headband pads; other repairs through service	Not provided
Weight per earbud Sources Beyerdynamic DT 770 PRO No source recorded. Nothing CMF Buds 2 Manufacturer specification · Each earbud. The charging case weighs 41.5 g. Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications	Not provided	4.5 g
Dimensions Sources Beyerdynamic DT 770 PRO No source recorded. Nothing CMF Buds 2 Manufacturer specification Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications	Not provided	Each earbud 33.4 x 20.6 x 22.8 mm; charging case 53.3 x 53.3 x 23 mm (height x width x depth)
Dust, sweat and water resistance Sources Beyerdynamic DT 770 PRO No source recorded. Nothing CMF Buds 2 The specification lists 'IPX2 case', but footnote 4 says the charging case is not rated for water-proofing; the case rating is therefore left out. · Manufacturer specification Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications	Not provided	IP55 (earbuds)

Wired / wireless connectionsDifferent Sources Beyerdynamic DT 770 PRO Manufacturer specification · Three-pole stereo connection; audio only. Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — 80-ohm model Beyerdynamic DT 770 PRO — current instruction manual Nothing CMF Buds 2 Manufacturer specification · The manufacturer lists AAC and SBC codec support; support for other codecs remains unverified. Fast charging is quoted with a Type-C charging cable. Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications	Wired; fixed single-sided 3.5 mm stereo cable with supplied screw-on 6.35 mm adapter	Bluetooth 5.4 (AAC, SBC) with dual connection; USB-C charging on the case
Battery life Sources Beyerdynamic DT 770 PRO The reviewed exact sources do not explicitly establish battery life or that no battery is required for operation. A wired/dynamic audio path, omitted charger or Battery included N is not an explicit operating-power requirement. · Manufacturer specification Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual Nothing CMF Buds 2 Manufacturer specification · Nothing laboratory results at 25 °C, 50% volume, AAC, other features at default settings; actual life varies with use. Talk time is listed separately (earbuds 7 h ANC on / 8.5 h ANC off; with case 30 h / 35 h). Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications	Not listed by the manufacturer	Earbuds up to 7.5 hours with ANC on and 13.5 hours with ANC off; with the charging case 32 hours with ANC on and 55 hours with ANC off.
Cable length Sources Beyerdynamic DT 770 PRO Manufacturer specification · Straight cable on the 80-ohm model. Beyerdynamic DT 770 PRO — manufacturer specifications Nothing CMF Buds 2 No source recorded.	3 m	Not provided
Cable arrangement Sources Beyerdynamic DT 770 PRO Manufacturer specification Beyerdynamic DT 770 PRO — manufacturer specifications Nothing CMF Buds 2 No source recorded.	Fixed, single-sided straight cable	Not provided
Supplied plug and adapter Sources Beyerdynamic DT 770 PRO Manufacturer specification · Gold-plated 3.5 mm plug with screw-on adapter; a drawstring bag is also supplied. Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual Nothing CMF Buds 2 No source recorded.	3.5 mm stereo plug; screw-on 6.35 mm adapter	Not provided
Charge time Sources Beyerdynamic DT 770 PRO No source recorded. Nothing CMF Buds 2 Manufacturer specification · Charging time table. Nothing's copy adds that a 10-minute top-up gives 7.5 hours of playback. Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications	Not provided	Full charge 93 minutes; earbuds in case 62 minutes
Bluetooth codecs Sources Beyerdynamic DT 770 PRO No source recorded. Nothing CMF Buds 2 Manufacturer specification Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications	Not provided	AAC, SBC
Multipoint (dual connection) Sources Beyerdynamic DT 770 PRO No source recorded. Nothing CMF Buds 2 Manufacturer specification Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications	Not provided	Yes
Low lag mode Sources Beyerdynamic DT 770 PRO No source recorded. Nothing CMF Buds 2 Manufacturer specification · The Other features table says 'less than 110 ms under Game Mode' with a Nothing Phone; footnote 5 says latency can be reduced to as low as 110 ms with Nothing phones and Game Mode on. Source field: Low lag mode. Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications	Not provided	110 ms with a Nothing phone in Game Mode
Quick pairing Sources Beyerdynamic DT 770 PRO No source recorded. Nothing CMF Buds 2 Manufacturer specification · Fast Pair works on supported Android devices running Google Play services 11.7+ (back to Android 6.0); Find My and device renaming support need Android 10 or later. Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications	Not provided	Google Fast Pair and Microsoft Swift Pair
Battery capacity Sources Beyerdynamic DT 770 PRO No source recorded. Nothing CMF Buds 2 Manufacturer specification Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications	Not provided	Earbuds 53 mAh each; case 460 mAh

Nominal impedance Sources Beyerdynamic DT 770 PRO Manufacturer specification · Nominal impedance; check that your audio source can drive this load. Beyerdynamic DT 770 PRO — manufacturer specifications Nothing CMF Buds 2 No source recorded.	80 ohm	Not provided
Rated frequency range Sources Beyerdynamic DT 770 PRO Manufacturer specification · beyerdynamic does not state the attenuation threshold for this range. Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual Nothing CMF Buds 2 No source recorded.	5–35,000 Hz	Not provided
Frequency characteristic Sources Beyerdynamic DT 770 PRO Manufacturer specification Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual Nothing CMF Buds 2 No source recorded.	Diffuse-field equalised	Not provided
Nominal sound pressure level Sources Beyerdynamic DT 770 PRO beyerdynamic lists a nominal 96 dB SPL without stating the input reference, so it cannot be compared directly with 1 V rms figures. · Manufacturer specification Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual Nothing CMF Buds 2 No source recorded.	96 dB	Not provided
Published distortion limit Sources Beyerdynamic DT 770 PRO Manufacturer specification · beyerdynamic does not state the test level or frequency for this figure. Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual Nothing CMF Buds 2 No source recorded.	<0.2%	Not provided
Rated input power limit Sources Beyerdynamic DT 770 PRO Manufacturer specification · Power handling capacity, not the amplifier power the headphones need. Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual Nothing CMF Buds 2 No source recorded.	100 mW	Not provided
Driver constructionDifferent Sources Beyerdynamic DT 770 PRO Manufacturer specification Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual Nothing CMF Buds 2 Manufacturer specification Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications	Dynamic transducer with a bass-reflex acoustic system	Custom 11 mm dynamic driver, PMI + PU diaphragm, Dirac Opteo tuning
Spatial audio Sources Beyerdynamic DT 770 PRO No source recorded. Nothing CMF Buds 2 Manufacturer specification · Nothing says it is powered by an HRTF-based algorithm; head tracking is not mentioned. Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications	Not provided	Spatial Audio Effect (HRTF-based)
Sound features Sources Beyerdynamic DT 770 PRO No source recorded. Nothing CMF Buds 2 Manufacturer specification · The Sound features table says 'Ultra Bass Technology'; the product copy calls it 'Ultra Bass Technology 2.0'. Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications	Not provided	Dirac Opteo, Spatial Audio Effect, Ultra Bass Technology, Custom EQ; tuning by Nothing and Dirac

Microphone Sources Beyerdynamic DT 770 PRO The reviewed exact sources do not explicitly establish microphone absence. Omission from a package or technical inventory, a stereo audio connector, and a without-remote statement do not establish microphone=false. · Manufacturer specification Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual Nothing CMF Buds 2 Manufacturer specification · Six HD microphones in total (three per bud) with Clear Voice Technology 3.0 and Wind Noise Reduction 3.0. Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications	Not listed by the manufacturer	Yes
Active noise cancellation Sources Beyerdynamic DT 770 PRO The reviewed exact sources do not explicitly establish active noise cancellation absence. Preserve separately sourced acoustic design and passive attenuation; they cannot turn omitted ANC into a false capability. · Manufacturer specification Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual Nothing CMF Buds 2 Manufacturer specification · Hybrid ANC up to 48 dB (Nothing's laboratory theoretical maximum) over up to 5200 Hz, with Environmental Adaptive mode and Transparency mode. Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications	Not listed by the manufacturer	Yes
Published passive noise attenuation Sources Beyerdynamic DT 770 PRO Manufacturer specification · Figure for the 80- and 250-ohm models; the 32-ohm model is rated at about 20 dBA. Not active noise cancellation or hearing protection. Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual Nothing CMF Buds 2 No source recorded.	Approx. 18 dBA	Not provided

HEADPHONE LAB software Sources Beyerdynamic DT 770 PRO Manufacturer specification · Separate plug-in for Windows/macOS audio software (VST3, AU, AAX) with crossfeed and optional room simulation; there is no standalone version. beyerdynamic's individual factory-calibration list names other models, not this DT 770 PRO. Beyerdynamic DT 770 PRO — 80-ohm model Beyerdynamic HEADPHONE LAB — software operation and calibration scope Nothing CMF Buds 2 No source recorded.	Supported through a separate DAW plug-in	Not provided
Companion app Sources Beyerdynamic DT 770 PRO No source recorded. Nothing CMF Buds 2 Manufacturer specification · Nothing X is for Android 6.0 and above and iOS 13 and above; on Nothing OS 1.5.6 and higher the settings are built into the phone. Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications	Not provided	Nothing X app (Android and iOS): customise equaliser and controls, find my earbuds, low lag mode, software updates
Controls Sources Beyerdynamic DT 770 PRO No source recorded. Nothing CMF Buds 2 Manufacturer specification · Customisable (footnote 7): double tap, triple tap, tap & hold and double tap & hold can be set to next song, previous song, volume up, volume down, voice assistant or switching noise cancellation modes, via phone settings on Nothing OS 1.5.6+ or the Nothing X app on Android 6.0+/iOS 13+. Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications	Not provided	Touch controls: double tap to skip forward or answer/hang up calls; triple tap to skip back or reject calls; tap and hold to switch between Active Noise Cancellation and Transparency Mode.
In-ear detection Sources Beyerdynamic DT 770 PRO No source recorded. Nothing CMF Buds 2 Manufacturer specification Nothing (UK store, nothing.tech) — CMF Buds 2 product page with technical specifications Nothing (US store, us.nothing.tech) — CMF Buds 2 product page with technical specifications	Not provided	Yes

Show unverified (2)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
Published headband pressure Sources Beyerdynamic DT 770 PRO beyerdynamic's data sheet lists approx. 3.5 N; its product page lists a firm fit of approx. 3.5–5.5 N. · Manufacturer specification · Nominal clamping force; individual fit and comfort can differ. Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — 80-ohm model Beyerdynamic DT 770 PRO — current instruction manual Nothing CMF Buds 2 No source recorded.	Conflicting sources	Not provided
Driver diameter Sources Beyerdynamic DT 770 PRO beyerdynamic does not state the driver diameter for the 80-ohm DT 770 PRO. · Manufacturer specification Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — 80-ohm model Beyerdynamic DT 770 PRO — current instruction manual Nothing CMF Buds 2 No source recorded.	Not listed by the manufacturer	Not provided

First product manufacturer source Second product manufacturer source

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Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.