HEADPHONES · YOUR NEXT FACE-OFF

OnePlus Nord Buds 3 Pro vs Sennheiser HD 600

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

Compared products

YOUR FIRST CHOICE

OnePlus Nord Buds 3 Pro

5481158589 · Starry Black · UK

Full product profile Official image

Exact model & source notes

OnePlus Nord Buds 3 Pro are true wireless earbuds with a 12.4 mm dynamic driver whose diaphragms have a titanium coating, hybrid ANC rated up to 49 dB and Bluetooth 5.4 with AAC and SBC. This record is the Starry Black colour (UK SKU 5481158589); OnePlus rates it at 5.5 hours with ANC on and 20 hours with the case.

Specifications checked 26 Sept 2026.

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

Manufacturer specifications

WHAT DIFFERS

4 verified differences, led by Wired / wireless connections, drivers and wearing style. Compared in full below. Not a rating.

See the 4 verified differences

THE CONTENDER

Sennheiser HD 600

508824 · grey finish · 300 ohm · standard 3 m stereo cable

Full product profile Official image

Exact model & source notes

The HD 600 is an open-back, over-ear dynamic headphone. Sennheiser describes a 42 mm driver with a 38 mm diaphragm and aluminium voice coils, rated 12–40,500 Hz (−10 dB) at 300 ohms. It has a detachable 3 m cable and replaceable velour ear pads.

Specifications checked 11 Sept 2026.

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

Manufacturer specifications

OnePlus Nord Buds 3 Pro UK & US retailers

UK & US price history: no verified listing yet

Sennheiser HD 600 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.

OnePlus Nord Buds 3 ProNot verified

Sennheiser HD 600Yes

Open-back. Manufacturer specification

Source 1

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 ↓

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

Wired / wireless connections

OnePlus Nord Buds 3 ProBluetooth 5.4 with AAC and SBC codecs; dual connection; USB-C wired charging on the case

Sennheiser HD 600Wired analogue stereo; detachable 3 m cable and supplied adapter support 3.5 mm and 6.35 mm connections

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification · Google Fast Pair is listed; it is only supported on OnePlus 6 series and later devices running Android 11 or later. Bluetooth range is up to 10 m. No wireless charging is listed for the case.

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (UK) — OnePlus Nord Buds 3 Pro overview

Sennheiser HD 600

Manufacturer specification · Sennheiser's manual and UK page disagree on which plug is native; see Supplied plug configuration.

Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications

Check the exact configuration and source conditions for your use.

Drivers

OnePlus Nord Buds 3 Pro12.4 mm dynamic driver with titanium-coated ('titanized') diaphragms

Sennheiser HD 600Open dynamic 42 mm driver with a 38 mm diaphragm and aluminium voice coils

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (UK) — OnePlus Nord Buds 3 Pro overview

Sennheiser HD 600

Manufacturer specification · Sennheiser gives 42 mm for the driver and 38 mm for its diaphragm; it does not say how the 42 mm figure is measured.

Sennheiser HD 600 — exact model 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

OnePlus Nord Buds 3 ProIn-ear, true wireless (silicone ear tips in S, M and L)

Sennheiser HD 600Over-ear (circumaural), open-back dynamic headphones

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification · Two earbuds (one pair) with a charging case; the box lists Silicon eartips x 3 (S, M, L).

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs

Sennheiser HD 600

Manufacturer specification

Sennheiser HD 600 — operating guide and specifications

Check the exact configuration and source conditions for your use.

Frequency response

OnePlus Nord Buds 3 Pro20~40KHz (as printed by OnePlus)

Sennheiser HD 60012–40,500 Hz (−10 dB)

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification · The unit of the lower bound is not printed on the UK or US specification page.

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (US) — OnePlus Nord Buds 3 Pro Specs

Sennheiser HD 600

Manufacturer specification

Sennheiser HD 600 — operating guide and specifications

Range endpoints need their stated threshold. They do not describe response flatness or prove better bass, detail or sound quality.

Missing or non-comparable evidence (32)

Acoustic design

OnePlus Nord Buds 3 ProNot verified

Sennheiser HD 600Open-back

Sources

OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 600

Manufacturer specification

Sennheiser HD 600 — operating guide and specifications

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

Active noise cancellation

OnePlus Nord Buds 3 ProYes

Sennheiser HD 600Not verified

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification · Hybrid active noise cancellation (feedforward and feedback) rated up to 49 dB over a 4,000 Hz noise cancellation range (OnePlus laboratory results). OnePlus describes it as smart adaptive noise cancellation that adjusts to ambient sound. Transparency mode is listed.

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (UK) — OnePlus Nord Buds 3 Pro overview

Sennheiser HD 600

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

Sennheiser HD 600 — operating guide and specifications

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

Microphone

In Visual facts

OnePlus Nord Buds 3 ProYes

Sennheiser HD 600Not verified

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification · Three built-in microphones (two analogue and one digital) on each earbud, used with the Clear Call algorithm, ANC and an anti-wind noise algorithm; OnePlus notes that wind conditions can cause fluctuations in noise reduction.

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (UK) — OnePlus Nord Buds 3 Pro overview

Sennheiser HD 600

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

Sennheiser HD 600 — operating guide and specifications

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

Battery life

OnePlus Nord Buds 3 ProEarbuds: 5.5 hours with ANC or Transparency on, 12 hours with ANC off. With the case: 20 hours with ANC on, 44 hours with ANC off. A 10-minute charge gives 4 hours (earbuds) or 11 hours (earbuds + case) with ANC off.

Sennheiser HD 600Not verified

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification · OnePlus laboratory results at 50% volume using AAC; identical on the UK and US pages.

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (US) — OnePlus Nord Buds 3 Pro Specs

Sennheiser HD 600

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

Sennheiser HD 600 — operating guide and specifications

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

Nominal impedance

OnePlus Nord Buds 3 ProNot verified

Sennheiser HD 600300 ohm

Sources

OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 600

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

Sennheiser HD 600 — operating guide and specifications

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

Published acoustic changes

OnePlus Nord Buds 3 ProNot verified

Sennheiser HD 600Not verified

Sources

OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 600

Sennheiser does not describe an acoustic revision for the HD 600. · Manufacturer specification

Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications

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

Companion app

OnePlus Nord Buds 3 ProWireless Earphones app (OnePlus phones) or HeyMelody app (Android/iOS): custom settings and OTA upgrades

Sennheiser HD 600Not verified

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (UK) — OnePlus Nord Buds 3 Pro overview

Sennheiser HD 600

No source recorded for this side.

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

Bass enhancement

OnePlus Nord Buds 3 ProBassWave 2.0

Sennheiser HD 600Not verified

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification

OnePlus (UK) — OnePlus Nord Buds 3 Pro overview

Sennheiser HD 600

No source recorded for this side.

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

Battery capacity

OnePlus Nord Buds 3 ProEarbuds 58 mAh; charging case 440 mAh

Sennheiser HD 600Not verified

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (US) — OnePlus Nord Buds 3 Pro Specs

Sennheiser HD 600

No source recorded for this side.

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

Included and optional cables

OnePlus Nord Buds 3 ProNot verified

Sennheiser HD 600Detachable 3 m unbalanced cable included; 4.4 mm and XLR-4 balanced cables optional

Sources

OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 600

Manufacturer specification · Optional cables are sold separately; balanced cables need a balanced headphone output.

Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications

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

Included cable length

OnePlus Nord Buds 3 ProNot verified

Sennheiser HD 6003 m

Sources

OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 600

Manufacturer specification · Length of the supplied cable.

Sennheiser HD 600 — operating guide and specifications

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

Charge time

OnePlus Nord Buds 3 ProWired: earbuds about 60 minutes; earbuds + case about 80 minutes

Sennheiser HD 600Not verified

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (US) — OnePlus Nord Buds 3 Pro Specs

Sennheiser HD 600

No source recorded for this side.

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

Bluetooth codecs

OnePlus Nord Buds 3 ProAAC, SBC

Sennheiser HD 600Not verified

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs

Sennheiser HD 600

No source recorded for this side.

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

Supplied plug configuration

OnePlus Nord Buds 3 ProNot verified

Sennheiser HD 600Conflicting evidence

Sources

OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 600

Sennheiser's manual and UK specification table list a 3.5 mm plug with a 6.35 mm adapter, while the UK page's connection text describes a 6.3 mm plug with a 3.5 mm adapter. Check the listing for the supplied plug. · Manufacturer specification · Needs a matching headphone output; the 4.4 mm balanced cable needs a balanced output.

Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications

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

Rated contact pressure

OnePlus Nord Buds 3 ProNot verified

Sennheiser HD 600Approximately 6.0 N ±1.0 N

Sources

OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 600

Manufacturer specification · Nominal clamping force; individual fit and comfort can differ.

Sennheiser HD 600 — operating guide and specifications

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

Earbud controls

OnePlus Nord Buds 3 ProTouch control: single tap none (default) or play/pause; double tap play/pause, previous, next, voice assistant or game mode; triple tap previous, next, voice assistant or game mode; touch and hold noise cancellation / Transparency; long touch and hold none (default), volume up or volume down

Sennheiser HD 600Not verified

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification · Where several actions are listed for a gesture, they are options; the specification page lists Custom Settings supported by the Wireless Earphones / HeyMelody app.

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs

Sennheiser HD 600

No source recorded for this side.

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

Rated total harmonic distortion

OnePlus Nord Buds 3 ProNot verified

Sennheiser HD 600≤0.1% at 1 kHz, 1 V rms (DIN 45500)

Sources

OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 600

Manufacturer specification · Rated to DIN 45500; other models use different test levels, so compare with care.

Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications

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

Durability testing

OnePlus Nord Buds 3 Pro55 °C extreme temperature tested; case hinge tested to 20,000 folds; charging case drop tested from 1.5 m; earbud drop tested from 1.8 m

Sennheiser HD 600Not verified

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification · OnePlus laboratory results; actual performance may vary.

OnePlus (UK) — OnePlus Nord Buds 3 Pro overview

Sennheiser HD 600

No source recorded for this side.

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

Ear pads

OnePlus Nord Buds 3 ProNot verified

Sennheiser HD 600Velour ear pads; replaceable

Sources

OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 600

Manufacturer specification · Replacement procedure shown in the manual.

Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications

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

Find My Earbuds

OnePlus Nord Buds 3 ProYes

Sennheiser HD 600Not verified

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification · Available on all OnePlus phones and in the HeyMelody app.

OnePlus (UK) — OnePlus Nord Buds 3 Pro overview

Sennheiser HD 600

No source recorded for this side.

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

Frequency equalisation

OnePlus Nord Buds 3 ProNot verified

Sennheiser HD 600Diffuse-field equalised

Sources

OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 600

Manufacturer specification

Sennheiser HD 600 — operating guide and specifications

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

Rated long-term input power

OnePlus Nord Buds 3 ProNot verified

Sennheiser HD 6000.2 W under DIN 45580

Sources

OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 600

Manufacturer specification · Rated to DIN 45580; the maximum input the headphones can handle, not the amplifier power they need.

Sennheiser HD 600 — operating guide and specifications

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

Static magnetic field at the surface

OnePlus Nord Buds 3 ProNot verified

Sennheiser HD 6001.8 mT

Sources

OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 600

Manufacturer specification · Static magnetic field at the headphone surface.

Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications

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

Multipoint (dual-device) connection

OnePlus Nord Buds 3 ProYes

Sennheiser HD 600Not verified

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs

Sennheiser HD 600

No source recorded for this side.

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

Operating temperature

OnePlus Nord Buds 3 ProNot verified

Sennheiser HD 600−10 °C to +55 °C

Sources

OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 600

Manufacturer specification

Sennheiser HD 600 — operating guide and specifications

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

Rated sensitivity

OnePlus Nord Buds 3 ProNot verified

Sennheiser HD 60097 dB SPL at 1 kHz, 1 V rms

Sources

OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 600

Manufacturer specification · Rated at 1 kHz with 1 V rms; not directly comparable with dB/mW ratings.

Sennheiser HD 600 — operating guide and specifications

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

Replaceable parts

OnePlus Nord Buds 3 ProNot verified

Sennheiser HD 600Detachable cable and replaceable ear pads

Sources

OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 600

Manufacturer specification · Replacement procedures are in the manual; spare-part availability varies.

Sennheiser HD 600 — operating guide and specifications

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

Manufacturer sub-bass claim

OnePlus Nord Buds 3 ProNot verified

Sennheiser HD 600Not verified

Sources

OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 600

Sennheiser makes no sub-bass claim for the HD 600. · Manufacturer specification

Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications

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

Dust, sweat and water resistance

OnePlus Nord Buds 3 ProEarbuds IP55 (charging case excluded)

Sennheiser HD 600Not verified

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification · Footnote: 'Excludes charging case.' Water and dust resistance may be reduced as the device ages; liquid and dust damage are not covered under warranty.

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (UK) — OnePlus Nord Buds 3 Pro overview

Sennheiser HD 600

No source recorded for this side.

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

Weight per earbud

OnePlus Nord Buds 3 Pro4.4 g

Sennheiser HD 600Not verified

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification · Each earbud; the charging case weighs 38.2 g. Identical on the UK and US pages.

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (US) — OnePlus Nord Buds 3 Pro Specs

Sennheiser HD 600

No source recorded for this side.

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

Dimensions

OnePlus Nord Buds 3 ProEach earbud: 2.999 x 2.030 x 2.387 cm; charging case: 6.660 x 5.124 x 2.483 cm

Sennheiser HD 600Not verified

Sources

OnePlus Nord Buds 3 Pro

Manufacturer specification

OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (US) — OnePlus Nord Buds 3 Pro Specs

Sennheiser HD 600

No source recorded for this side.

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

Weight

OnePlus Nord Buds 3 ProNot verified

Sennheiser HD 600260 g

Sources

OnePlus Nord Buds 3 Pro

No source recorded for this side.

Sennheiser HD 600

Manufacturer specification · Approximate, without the cable.

Sennheiser HD 600 — operating guide and 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

OnePlus Nord Buds 3 Pro

Select a feature to check your fit.

YOUR CHOICE

Sennheiser HD 600

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

OnePlus Nord Buds 3 Pro

What it brings

With ANC off, OnePlus rates the earbuds at 12 hours per charge and 44 hours with the case, and a 10-minute charge gives up to 11 hours with the case.
Manufacturer source
Each earbud weighs 4.4 g and the charging case 38.2 g, with dual connection and Google Fast Pair listed.
Manufacturer source

What to check

With ANC or Transparency on, battery drops to 5.5 hours per charge and 20 hours with the case.
Manufacturer source
Only AAC and SBC codecs are listed, the case charges by USB-C only, and the IP55 rating excludes the charging case.
Manufacturer source

Sennheiser HD 600

What it brings

The detachable 3 m cable and velour ear pads can be replaced, and optional 4.4 mm and XLR-4 balanced cables are available for balanced amplifiers.
Manufacturer source Manufacturer source

What to check

At 300 ohms with a rated 97 dB SPL at 1 kHz / 1 V rms, check that your amplifier or audio source can drive the headphones properly.
Manufacturer source Manufacturer source
The open-back design leaks sound and lets outside noise in. Sennheiser's pages disagree on whether the cable ends in a 3.5 mm or 6.35 mm plug, so check the listing.
Manufacturer source Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

36 of 36 specifications Sources in each row

Source-backed specifications for OnePlus Nord Buds 3 Pro and Sennheiser HD 600
Specification	OnePlus Nord Buds 3 Pro	Sennheiser HD 600

Wearing styleDifferent Sources OnePlus Nord Buds 3 Pro Manufacturer specification · Two earbuds (one pair) with a charging case; the box lists Silicon eartips x 3 (S, M, L). OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs Sennheiser HD 600 Manufacturer specification Sennheiser HD 600 — operating guide and specifications	In-ear, true wireless (silicone ear tips in S, M and L)	Over-ear (circumaural), open-back dynamic headphones
Weight per earbud Sources OnePlus Nord Buds 3 Pro Manufacturer specification · Each earbud; the charging case weighs 38.2 g. Identical on the UK and US pages. OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (US) — OnePlus Nord Buds 3 Pro Specs Sennheiser HD 600 No source recorded.	4.4 g	Not provided
Dimensions Sources OnePlus Nord Buds 3 Pro Manufacturer specification OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (US) — OnePlus Nord Buds 3 Pro Specs Sennheiser HD 600 No source recorded.	Each earbud: 2.999 x 2.030 x 2.387 cm; charging case: 6.660 x 5.124 x 2.483 cm	Not provided
Dust, sweat and water resistance Sources OnePlus Nord Buds 3 Pro Manufacturer specification · Footnote: 'Excludes charging case.' Water and dust resistance may be reduced as the device ages; liquid and dust damage are not covered under warranty. OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (UK) — OnePlus Nord Buds 3 Pro overview Sennheiser HD 600 No source recorded.	Earbuds IP55 (charging case excluded)	Not provided
Durability testing Sources OnePlus Nord Buds 3 Pro Manufacturer specification · OnePlus laboratory results; actual performance may vary. OnePlus (UK) — OnePlus Nord Buds 3 Pro overview Sennheiser HD 600 No source recorded.	55 °C extreme temperature tested; case hinge tested to 20,000 folds; charging case drop tested from 1.5 m; earbud drop tested from 1.8 m	Not provided
Weight Sources OnePlus Nord Buds 3 Pro No source recorded. Sennheiser HD 600 Manufacturer specification · Approximate, without the cable. Sennheiser HD 600 — operating guide and specifications	Not provided	260 g
Acoustic design Sources OnePlus Nord Buds 3 Pro No source recorded. Sennheiser HD 600 Manufacturer specification Sennheiser HD 600 — operating guide and specifications	Not provided	Open-back
Replaceable parts Sources OnePlus Nord Buds 3 Pro No source recorded. Sennheiser HD 600 Manufacturer specification · Replacement procedures are in the manual; spare-part availability varies. Sennheiser HD 600 — operating guide and specifications	Not provided	Detachable cable and replaceable ear pads
Ear pads Sources OnePlus Nord Buds 3 Pro No source recorded. Sennheiser HD 600 Manufacturer specification · Replacement procedure shown in the manual. Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications	Not provided	Velour ear pads; replaceable
Rated contact pressure Sources OnePlus Nord Buds 3 Pro No source recorded. Sennheiser HD 600 Manufacturer specification · Nominal clamping force; individual fit and comfort can differ. Sennheiser HD 600 — operating guide and specifications	Not provided	Approximately 6.0 N ±1.0 N

Wired / wireless connectionsDifferent Sources OnePlus Nord Buds 3 Pro Manufacturer specification · Google Fast Pair is listed; it is only supported on OnePlus 6 series and later devices running Android 11 or later. Bluetooth range is up to 10 m. No wireless charging is listed for the case. OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (UK) — OnePlus Nord Buds 3 Pro overview Sennheiser HD 600 Manufacturer specification · Sennheiser's manual and UK page disagree on which plug is native; see Supplied plug configuration. Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications	Bluetooth 5.4 with AAC and SBC codecs; dual connection; USB-C wired charging on the case	Wired analogue stereo; detachable 3 m cable and supplied adapter support 3.5 mm and 6.35 mm connections
Battery life Sources OnePlus Nord Buds 3 Pro Manufacturer specification · OnePlus laboratory results at 50% volume using AAC; identical on the UK and US pages. OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (US) — OnePlus Nord Buds 3 Pro Specs Sennheiser HD 600 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 Sennheiser HD 600 — operating guide and specifications	Earbuds: 5.5 hours with ANC or Transparency on, 12 hours with ANC off. With the case: 20 hours with ANC on, 44 hours with ANC off. A 10-minute charge gives 4 hours (earbuds) or 11 hours (earbuds + case) with ANC off.	Not listed by the manufacturer
Battery capacity Sources OnePlus Nord Buds 3 Pro Manufacturer specification OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (US) — OnePlus Nord Buds 3 Pro Specs Sennheiser HD 600 No source recorded.	Earbuds 58 mAh; charging case 440 mAh	Not provided
Charge time Sources OnePlus Nord Buds 3 Pro Manufacturer specification OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (US) — OnePlus Nord Buds 3 Pro Specs Sennheiser HD 600 No source recorded.	Wired: earbuds about 60 minutes; earbuds + case about 80 minutes	Not provided
Bluetooth codecs Sources OnePlus Nord Buds 3 Pro Manufacturer specification OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs Sennheiser HD 600 No source recorded.	AAC, SBC	Not provided
Multipoint (dual-device) connection Sources OnePlus Nord Buds 3 Pro Manufacturer specification OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs Sennheiser HD 600 No source recorded.	Yes	Not provided
Included cable length Sources OnePlus Nord Buds 3 Pro No source recorded. Sennheiser HD 600 Manufacturer specification · Length of the supplied cable. Sennheiser HD 600 — operating guide and specifications	Not provided	3 m
Included and optional cables Sources OnePlus Nord Buds 3 Pro No source recorded. Sennheiser HD 600 Manufacturer specification · Optional cables are sold separately; balanced cables need a balanced headphone output. Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications	Not provided	Detachable 3 m unbalanced cable included; 4.4 mm and XLR-4 balanced cables optional

DriversDifferent Sources OnePlus Nord Buds 3 Pro Manufacturer specification OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (UK) — OnePlus Nord Buds 3 Pro overview Sennheiser HD 600 Manufacturer specification · Sennheiser gives 42 mm for the driver and 38 mm for its diaphragm; it does not say how the 42 mm figure is measured. Sennheiser HD 600 — exact model specifications	12.4 mm dynamic driver with titanium-coated ('titanized') diaphragms	Open dynamic 42 mm driver with a 38 mm diaphragm and aluminium voice coils
Frequency responseDifferent Sources OnePlus Nord Buds 3 Pro Manufacturer specification · The unit of the lower bound is not printed on the UK or US specification page. OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (US) — OnePlus Nord Buds 3 Pro Specs Sennheiser HD 600 Manufacturer specification Sennheiser HD 600 — operating guide and specifications	20~40KHz (as printed by OnePlus)	12–40,500 Hz (−10 dB)
Bass enhancement Sources OnePlus Nord Buds 3 Pro Manufacturer specification OnePlus (UK) — OnePlus Nord Buds 3 Pro overview Sennheiser HD 600 No source recorded.	BassWave 2.0	Not provided
Nominal impedance Sources OnePlus Nord Buds 3 Pro No source recorded. Sennheiser HD 600 Manufacturer specification · Nominal impedance; check that your amplifier or audio source can drive this load. Sennheiser HD 600 — operating guide and specifications	Not provided	300 ohm
Rated sensitivity Sources OnePlus Nord Buds 3 Pro No source recorded. Sennheiser HD 600 Manufacturer specification · Rated at 1 kHz with 1 V rms; not directly comparable with dB/mW ratings. Sennheiser HD 600 — operating guide and specifications	Not provided	97 dB SPL at 1 kHz, 1 V rms
Frequency equalisation Sources OnePlus Nord Buds 3 Pro No source recorded. Sennheiser HD 600 Manufacturer specification Sennheiser HD 600 — operating guide and specifications	Not provided	Diffuse-field equalised
Rated total harmonic distortion Sources OnePlus Nord Buds 3 Pro No source recorded. Sennheiser HD 600 Manufacturer specification · Rated to DIN 45500; other models use different test levels, so compare with care. Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications	Not provided	≤0.1% at 1 kHz, 1 V rms (DIN 45500)
Rated long-term input power Sources OnePlus Nord Buds 3 Pro No source recorded. Sennheiser HD 600 Manufacturer specification · Rated to DIN 45580; the maximum input the headphones can handle, not the amplifier power they need. Sennheiser HD 600 — operating guide and specifications	Not provided	0.2 W under DIN 45580

Microphone Sources OnePlus Nord Buds 3 Pro Manufacturer specification · Three built-in microphones (two analogue and one digital) on each earbud, used with the Clear Call algorithm, ANC and an anti-wind noise algorithm; OnePlus notes that wind conditions can cause fluctuations in noise reduction. OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (UK) — OnePlus Nord Buds 3 Pro overview Sennheiser HD 600 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 Sennheiser HD 600 — operating guide and specifications	Yes	Not listed by the manufacturer
Active noise cancellation Sources OnePlus Nord Buds 3 Pro Manufacturer specification · Hybrid active noise cancellation (feedforward and feedback) rated up to 49 dB over a 4,000 Hz noise cancellation range (OnePlus laboratory results). OnePlus describes it as smart adaptive noise cancellation that adjusts to ambient sound. Transparency mode is listed. OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (UK) — OnePlus Nord Buds 3 Pro overview Sennheiser HD 600 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 Sennheiser HD 600 — operating guide and specifications	Yes	Not listed by the manufacturer

Find My Earbuds Sources OnePlus Nord Buds 3 Pro Manufacturer specification · Available on all OnePlus phones and in the HeyMelody app. OnePlus (UK) — OnePlus Nord Buds 3 Pro overview Sennheiser HD 600 No source recorded.	Yes	Not provided
Companion app Sources OnePlus Nord Buds 3 Pro Manufacturer specification OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs OnePlus (UK) — OnePlus Nord Buds 3 Pro overview Sennheiser HD 600 No source recorded.	Wireless Earphones app (OnePlus phones) or HeyMelody app (Android/iOS): custom settings and OTA upgrades	Not provided
Earbud controls Sources OnePlus Nord Buds 3 Pro Manufacturer specification · Where several actions are listed for a gesture, they are options; the specification page lists Custom Settings supported by the Wireless Earphones / HeyMelody app. OnePlus (UK) — OnePlus Nord Buds 3 Pro Specs Sennheiser HD 600 No source recorded.	Touch control: single tap none (default) or play/pause; double tap play/pause, previous, next, voice assistant or game mode; triple tap previous, next, voice assistant or game mode; touch and hold noise cancellation / Transparency; long touch and hold none (default), volume up or volume down	Not provided

Static magnetic field at the surface Sources OnePlus Nord Buds 3 Pro No source recorded. Sennheiser HD 600 Manufacturer specification · Static magnetic field at the headphone surface. Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications	Not provided	1.8 mT
Operating temperature Sources OnePlus Nord Buds 3 Pro No source recorded. Sennheiser HD 600 Manufacturer specification Sennheiser HD 600 — operating guide and specifications	Not provided	−10 °C to +55 °C

Show unverified (3)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
Supplied plug configuration Sources OnePlus Nord Buds 3 Pro No source recorded. Sennheiser HD 600 Sennheiser's manual and UK specification table list a 3.5 mm plug with a 6.35 mm adapter, while the UK page's connection text describes a 6.3 mm plug with a 3.5 mm adapter. Check the listing for the supplied plug. · Manufacturer specification · Needs a matching headphone output; the 4.4 mm balanced cable needs a balanced output. Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications	Not provided	Conflicting sources
Published acoustic changes Sources OnePlus Nord Buds 3 Pro No source recorded. Sennheiser HD 600 Sennheiser does not describe an acoustic revision for the HD 600. · Manufacturer specification Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications	Not provided	Not listed by the manufacturer
Manufacturer sub-bass claim Sources OnePlus Nord Buds 3 Pro No source recorded. Sennheiser HD 600 Sennheiser makes no sub-bass claim for the HD 600. · Manufacturer specification Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications	Not provided	Not listed by the manufacturer

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.