HEADPHONES · YOUR NEXT FACE-OFF

Beyerdynamic DT 770 PRO vs Sennheiser HD 280 PRO

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

Higher stated nominal impedance: 80 ohm vs 64 ohm

Choose the Sennheiser HD 280 PRO for

Lower stated nominal impedance: 64 ohm vs 80 ohm

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

See the 6 verified differences

THE CONTENDER

Sennheiser HD 280 PRO

506845 · HD 280 PRO · wired

Full product profile Official image

Exact model & source notes

The HD 280 PRO (article 506845) is Sennheiser's closed-back wired monitoring headphone for recording, mixing and monitoring, built from rugged polycarbonate with a collapsible, fold-down design. It has a rated 64 Ω impedance, up to 32 dB of passive ambient-noise attenuation and a single-sided coiled cable with a 3.5 mm plug and 6.3 mm adapter. It weighs about 285 g without the cable.

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

Sennheiser HD 280 PRO 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 SIDE8 topics

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

SELECTED TOPIC

01 / 08

Impedance

Nominal electrical load, not sound quality or loudness. Output capability and headphone sensitivity matter together; impedance alone cannot decide whether an amplifier is needed.

Beyerdynamic DT 770 PRO80 Ω

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

Source 1

Sennheiser HD 280 PRO64 Ω

Source 1 Source 2

Explore the full specifications

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 ↓

6 verified differences, most decision-relevant first. 1 is also drawn in Visual facts above. 1 feature is the same under different published names, grouped below. 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

Sennheiser HD 280 PROWired; single-sided coiled cable (about 1.3 m to 3 m) with 3.5 mm plug and supplied 6.3 mm adapter

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

Sennheiser HD 280 PRO

Manufacturer specification

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)

Check the exact configuration and source conditions for your use.

Nominal impedance

In Visual facts

Beyerdynamic DT 770 PRO80 ohm

Sennheiser HD 280 PRO64 ohm

Sources

Beyerdynamic DT 770 PRO

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

Beyerdynamic DT 770 PRO — manufacturer specifications

Sennheiser HD 280 PRO

Manufacturer specification

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)

Check the exact configuration and source conditions for your use.

Driver construction

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

Sennheiser HD 280 PRODynamic

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification

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

Sennheiser HD 280 PRO

Manufacturer specification · Sennheiser does not state the transducer diameter on the pages read.

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)

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

Published distortion limit

Beyerdynamic DT 770 PRO<0.2%

Sennheiser HD 280 PRO<0.1% at 1 kHz, 100 dB SPL

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

Sennheiser HD 280 PRO

Manufacturer specification · The quick guide gives the measurement conditions; the specification sheet gives 0.1% without them.

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

These published limits can use different input voltages, loudness levels and standards. They cannot establish lower distortion in matched listening conditions.

Rated frequency range

Beyerdynamic DT 770 PRO5–35,000 Hz

Sennheiser HD 280 PRO8 Hz–25 kHz

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

Sennheiser HD 280 PRO

Manufacturer specification · No level tolerance is stated.

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

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

Replaceable components

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

Sennheiser HD 280 PROFolding, rotating ear cups; ear cushions and headband padding are replaceable spare parts

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

Sennheiser HD 280 PRO

Manufacturer specification

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

Check the exact configuration and source conditions for your use.

Same feature, different names (1)

The sources publish different names for the same feature. Both names and their sources are shown; they are not counted as differences.

Wearing style

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

Sennheiser HD 280 PROOver-ear (circumaural), closed-back wired monitoring headphones

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification

Beyerdynamic DT 770 PRO — manufacturer specifications

Sennheiser HD 280 PRO

Manufacturer specification · Sennheiser's product page states 'Circumaural (over-ear) fit' in its feature list and 'a circumaural fit' in its comfort copy, and the specification sheet and quick guide both give 'Ear coupling circumaural'; the same product page's technical table alone lists 'Wearing style On-ear'. That single table entry is disclosed here rather than published as the wearing style.

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

Both sources state the same feature under different published names. This is not a verified difference; check the exact feature you need.

Missing or non-comparable evidence (20)

Active noise cancellation

Beyerdynamic DT 770 PRONot verified

Sennheiser HD 280 PRONot verified

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

Sennheiser HD 280 PRO

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

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

Sennheiser HD 280 PRONot verified

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

Sennheiser HD 280 PRO

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)

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

Battery life

Beyerdynamic DT 770 PRONot verified

Sennheiser HD 280 PRONot verified

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

Sennheiser HD 280 PRO

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data

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

Sennheiser HD 280 PRONot verified

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification

Beyerdynamic DT 770 PRO — manufacturer specifications

Sennheiser HD 280 PRO

No source recorded for this side.

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

Contact pressure

Beyerdynamic DT 770 PRONot verified

Sennheiser HD 280 PROApprox. 6 N

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Sennheiser HD 280 PRO

Manufacturer specification

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

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

Sennheiser HD 280 PRONot 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

Sennheiser HD 280 PRO

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

Sennheiser HD 280 PRONot 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

Sennheiser HD 280 PRO

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

Sennheiser HD 280 PRONot 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

Sennheiser HD 280 PRO

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

Sennheiser HD 280 PRONot 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

Sennheiser HD 280 PRO

No source recorded for this side.

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

Frequency characteristic

Beyerdynamic DT 770 PRODiffuse-field equalised

Sennheiser HD 280 PRONot verified

Sources

Beyerdynamic DT 770 PRO

Manufacturer specification

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

Sennheiser HD 280 PRO

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

Sennheiser HD 280 PRONot 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

Sennheiser HD 280 PRO

No source recorded for this side.

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

In the box

Beyerdynamic DT 770 PRONot verified

Sennheiser HD 280 PROHD 280 PRO headphones, 3.5 mm to 6.3 mm adapter, safety guide

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Sennheiser HD 280 PRO

Manufacturer specification

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)

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

Sennheiser HD 280 PRONot 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

Sennheiser HD 280 PRO

No source recorded for this side.

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

Construction

Beyerdynamic DT 770 PRONot verified

Sennheiser HD 280 PRORugged polycarbonate construction; collapsible design that folds down for storage

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Sennheiser HD 280 PRO

Manufacturer specification

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data

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

Sound pressure level

Beyerdynamic DT 770 PRONot verified

Sennheiser HD 280 PRO113 dB

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Sennheiser HD 280 PRO

Manufacturer specification · No measurement reference is stated.

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)

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

Ambient noise attenuation

Beyerdynamic DT 770 PRONot verified

Sennheiser HD 280 PROUp to 32 dB (passive)

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Sennheiser HD 280 PRO

Manufacturer specification

Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

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

Sennheiser HD 280 PRONot 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

Sennheiser HD 280 PRO

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

Sennheiser HD 280 PRONot 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

Sennheiser HD 280 PRO

No source recorded for this side.

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

Weight including cable

Beyerdynamic DT 770 PRO375 g

Sennheiser HD 280 PRONot 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

Sennheiser HD 280 PRO

No source recorded for this side.

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

Weight

Beyerdynamic DT 770 PRONot verified

Sennheiser HD 280 PRO285 g

Sources

Beyerdynamic DT 770 PRO

No source recorded for this side.

Sennheiser HD 280 PRO

Manufacturer specification · Approximate, without cable.

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

2 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

Sennheiser HD 280 PRO

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

Sennheiser HD 280 PRO

What it brings

The closed design is rated for up to 32 dB of passive ambient-noise attenuation for recording and monitoring.
Manufacturer source Manufacturer source Manufacturer source
Ear cushions and headband padding are listed as replaceable spare parts, and the ear cups fold and rotate for transport.
Manufacturer source Manufacturer source

What to check

The single-sided coiled cable stretches from about 1.3 m to 3 m. Sennheiser's documents do not describe it as detachable, and the product page's spare parts list only a 6.3 mm adapter and a pad set, with no replacement cable.
Manufacturer source Manufacturer source
Sennheiser does not state the transducer diameter; the supplied cable uses a 3.5 mm plug with a 6.3 mm adapter.
Manufacturer source Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

29 of 29 specifications Sources in each row

Source-backed specifications for Beyerdynamic DT 770 PRO and Sennheiser HD 280 PRO
Specification	Beyerdynamic DT 770 PRO	Sennheiser HD 280 PRO

Wearing style Sources Beyerdynamic DT 770 PRO Manufacturer specification Beyerdynamic DT 770 PRO — manufacturer specifications Sennheiser HD 280 PRO Manufacturer specification · Sennheiser's product page states 'Circumaural (over-ear) fit' in its feature list and 'a circumaural fit' in its comfort copy, and the specification sheet and quick guide both give 'Ear coupling circumaural'; the same product page's technical table alone lists 'Wearing style On-ear'. That single table entry is disclosed here rather than published as the wearing style. Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)	Over-ear (circumaural), closed-back dynamic headphones	Over-ear (circumaural), closed-back wired monitoring headphones
Acoustic design Sources Beyerdynamic DT 770 PRO Manufacturer specification Beyerdynamic DT 770 PRO — manufacturer specifications Sennheiser HD 280 PRO Manufacturer specification Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)	Closed-back	Closed-back
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 Sennheiser HD 280 PRO 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 Sennheiser HD 280 PRO No source recorded.	Grey velour	Not provided
Replaceable componentsDifferent 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 Sennheiser HD 280 PRO Manufacturer specification Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)	User-replaceable ear and headband pads; other repairs through service	Folding, rotating ear cups; ear cushions and headband padding are replaceable spare parts
Weight Sources Beyerdynamic DT 770 PRO No source recorded. Sennheiser HD 280 PRO Manufacturer specification · Approximate, without cable. Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)	Not provided	285 g
Contact pressure Sources Beyerdynamic DT 770 PRO No source recorded. Sennheiser HD 280 PRO Manufacturer specification Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)	Not provided	Approx. 6 N
Construction Sources Beyerdynamic DT 770 PRO No source recorded. Sennheiser HD 280 PRO Manufacturer specification Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data	Not provided	Rugged polycarbonate construction; collapsible design that folds down for storage

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 Sennheiser HD 280 PRO Manufacturer specification Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)	Wired; fixed single-sided 3.5 mm stereo cable with supplied screw-on 6.35 mm adapter	Wired; single-sided coiled cable (about 1.3 m to 3 m) with 3.5 mm plug and supplied 6.3 mm adapter
Cable length Sources Beyerdynamic DT 770 PRO Manufacturer specification · Straight cable on the 80-ohm model. Beyerdynamic DT 770 PRO — manufacturer specifications Sennheiser HD 280 PRO Manufacturer specification · Coiled cable: about 1.3 m relaxed, extending to a maximum of 3 m. Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)	3 m	3 m
Cable arrangement Sources Beyerdynamic DT 770 PRO Manufacturer specification Beyerdynamic DT 770 PRO — manufacturer specifications Sennheiser HD 280 PRO 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 Sennheiser HD 280 PRO No source recorded.	3.5 mm stereo plug; screw-on 6.35 mm adapter	Not provided

Nominal impedanceDifferent Sources Beyerdynamic DT 770 PRO Manufacturer specification · Nominal impedance; check that your audio source can drive this load. Beyerdynamic DT 770 PRO — manufacturer specifications Sennheiser HD 280 PRO Manufacturer specification Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)	80 ohm	64 ohm
Rated frequency rangeDifferent 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 Sennheiser HD 280 PRO Manufacturer specification · No level tolerance is stated. Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)	5–35,000 Hz	8 Hz–25 kHz
Frequency characteristic Sources Beyerdynamic DT 770 PRO Manufacturer specification Beyerdynamic DT 770 PRO — manufacturer specifications Beyerdynamic DT 770 PRO — current instruction manual Sennheiser HD 280 PRO 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 Sennheiser HD 280 PRO No source recorded.	96 dB	Not provided
Published distortion limitDifferent 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 Sennheiser HD 280 PRO Manufacturer specification · The quick guide gives the measurement conditions; the specification sheet gives 0.1% without them. Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)	<0.2%	<0.1% at 1 kHz, 100 dB SPL
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 Sennheiser HD 280 PRO 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 Sennheiser HD 280 PRO Manufacturer specification · Sennheiser does not state the transducer diameter on the pages read. Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)	Dynamic transducer with a bass-reflex acoustic system	Dynamic
Sound pressure level Sources Beyerdynamic DT 770 PRO No source recorded. Sennheiser HD 280 PRO Manufacturer specification · No measurement reference is stated. Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)	Not provided	113 dB

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 Sennheiser HD 280 PRO No source recorded.	Approx. 18 dBA	Not provided
Ambient noise attenuation Sources Beyerdynamic DT 770 PRO No source recorded. Sennheiser HD 280 PRO Manufacturer specification Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)	Not provided	Up to 32 dB (passive)

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 Sennheiser HD 280 PRO No source recorded.	Supported through a separate DAW plug-in	Not provided

In the box Sources Beyerdynamic DT 770 PRO No source recorded. Sennheiser HD 280 PRO Manufacturer specification Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)	Not provided	HD 280 PRO headphones, 3.5 mm to 6.3 mm adapter, safety guide

Show unverified (5)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
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 Sennheiser HD 280 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 Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)	Not listed by the manufacturer	Not listed by the manufacturer
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 Sennheiser HD 280 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 Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)	Not listed by the manufacturer	Not listed by the manufacturer
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 Sennheiser HD 280 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 Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data	Not listed by the manufacturer	Not listed by the manufacturer
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 Sennheiser HD 280 PRO 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 Sennheiser HD 280 PRO 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.