HEADPHONES · YOUR NEXT FACE-OFF

Sennheiser HD 820 vs Beyerdynamic T5 (3rd generation)

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

Compared products

YOUR FIRST CHOICE

Sennheiser HD 820

507435 · Black · wired, with 6.35 mm and 4.4 mm cables

Full product profile Official image

Exact model & source notes

The HD 820 (article 507435) is Sennheiser's reference-class closed-back audiophile headphone, with a 56 mm Ring Radiator dynamic transducer behind concave Gorilla Glass reflectors, 300-ohm impedance, a rated 360 g without cable, and both 6.35 mm unbalanced and 4.4 mm balanced cables in the box.

Specifications checked 26 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 Sennheiser HD 820 for

Higher stated nominal impedance: 300 ohm vs 32 ohm
Longer stated cable length: 3 m vs 1.4 m

Choose the Beyerdynamic T5 (3rd generation) for

Lower stated nominal impedance: 32 ohm vs 300 ohm

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

See the 9 verified differences

THE CONTENDER

Beyerdynamic T5 (3rd generation)

717789 · 3rd generation · 32 ohm · wired

beyerdynamic T5 third-generation closed-back headphones with leatherette pads and double-sided cable

Full product profile Official image

Exact model & source notes

The T5 (3rd generation, article 717789) is beyerdynamic's closed-back, around-ear high-end wired headphone and the closed counterpart to the T1. It uses tilted Tesla dynamic transducers matched in pairs at 32 ohms, a detachable double-sided 1.4 m OCC7N copper cable, replaceable protein-leatherette ear pads with memory foam, and brushed aluminium covers without acoustic openings. It weighs 360 g without the cable, is Hi-Res Audio certified and comes with a hardcase.

Specifications checked 27 Sept 2026.

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

Manufacturer specifications

Sennheiser HD 820 UK & US retailers

UK & US price history: no verified listing yet

Beyerdynamic T5 (3rd generation) 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.

Sennheiser HD 820300 Ω

Source 1 Source 2

Beyerdynamic T5 (3rd generation)32 Ω

Manufacturer specification · beyerdynamic says the Tesla transducers of the 3rd-generation T1/T5 were optimised to 32 ohms for stationary amplifiers and mobile players alike.

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 ↓

9 verified differences, most decision-relevant first. 2 are also drawn in Visual facts above. 1 feature is the same under different published names, grouped below. Missing information stays separate.

Wired / wireless connections

Sennheiser HD 820Wired analogue; detachable 3 m cables with 6.35 mm unbalanced plug (fitted) and 4.4 mm balanced plug, both supplied; XLR-4 balanced cable optional

Beyerdynamic T5 (3rd generation)Wired; detachable double-sided 1.4 m textile-braided cable with OCC7N copper conductors, gold-plated 3.5 mm stereo jack and plug-in 6.35 mm adapter

Sources

Sennheiser HD 820

Manufacturer specification · Sennheiser's box list names only the 6.35 mm unbalanced and 4.4 mm balanced cables; no 3.5 mm plug or adapter is listed.

Sennheiser HD 820 — official UK product page and specifications Sennheiser UK store — HD 820 product variant data (SKU and EAN)

Beyerdynamic T5 (3rd generation)

Manufacturer specification · A 3 m cable with screwed 6.35 mm adapter and balanced cables (4-pin XLR, 3 m; 4-pole 2.5 mm jack, 1.4 m) are listed as separately sold accessories.

beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

Check the exact configuration and source conditions for your use.

Nominal impedance

In Visual facts

Sennheiser HD 820300 ohm

Beyerdynamic T5 (3rd generation)32 ohm

Sources

Sennheiser HD 820

Manufacturer specification

Sennheiser HD 820 — official UK product page and specifications Sennheiser UK store — HD 820 product variant data (SKU and EAN)

Beyerdynamic T5 (3rd generation)

Manufacturer specification · beyerdynamic says the Tesla transducers of the 3rd-generation T1/T5 were optimised to 32 ohms for stationary amplifiers and mobile players alike.

beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

Check the exact configuration and source conditions for your use.

Driver construction

Sennheiser HD 82056 mm Ring Radiator dynamic transducer with concave Gorilla Glass reflectors

Beyerdynamic T5 (3rd generation)Tilted dynamic Tesla transducers, individually measured and matched in pairs

Sources

Sennheiser HD 820

Manufacturer specification

Sennheiser HD 820 — official UK product page and specifications

Beyerdynamic T5 (3rd generation)

Manufacturer specification · Driver diameter is not published in the sources read.

beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

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

Cable length

In Visual facts

Sennheiser HD 8203 m

Beyerdynamic T5 (3rd generation)1.4 m

Sources

Sennheiser HD 820

Manufacturer specification

Sennheiser HD 820 — official UK product page and specifications Sennheiser UK store — HD 820 product variant data (SKU and EAN)

Beyerdynamic T5 (3rd generation)

Manufacturer specification

beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

Check the exact configuration and source conditions for your use.

Connectors

Sennheiser HD 8206.35 mm unbalanced (3-pin) and 4.4 mm balanced (5-pin) supplied; XLR-4 balanced (4-pin) cable optional

Beyerdynamic T5 (3rd generation)Gold-plated three-pole 3.5 mm stereo jack with plug-in 6.35 mm adapter

Sources

Sennheiser HD 820

Manufacturer specification

Sennheiser HD 820 — official UK product page and specifications Sennheiser UK store — HD 820 product variant data (SKU and EAN)

Beyerdynamic T5 (3rd generation)

Manufacturer specification

beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

Check the exact configuration and source conditions for your use.

Rated total harmonic distortion

Sennheiser HD 820<0.02% (1 kHz, 100 dB SPL)

Beyerdynamic T5 (3rd generation)<0.05% (2 kHz / 1 mW)

Sources

Sennheiser HD 820

Manufacturer specification · From the product page's specification table; the same page's feature list states 'Total harmonic distortion: 0.02 % (1 kHz 1 Vrms)', a different test condition.

Sennheiser HD 820 — official UK product page and specifications

Beyerdynamic T5 (3rd generation)

Manufacturer specification

beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

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

Show 3 more verified differences

Rated frequency range

Sennheiser HD 82012–43,800 Hz (−3 dB); 6–48,000 Hz (−10 dB)

Beyerdynamic T5 (3rd generation)5–50,000 Hz

Sources

Sennheiser HD 820

Manufacturer specification

Sennheiser HD 820 — official UK product page and specifications Sennheiser UK store — HD 820 product variant data (SKU and EAN)

Beyerdynamic T5 (3rd generation)

Manufacturer specification

beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

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

In the box

Sennheiser HD 820Headphones, cable with 6.35 mm unbalanced plug (fitted), cable with 4.4 mm balanced plug, instruction manual, storage box, microfibre cloth

Beyerdynamic T5 (3rd generation)T5 headphones, 1.4 m connection cable with three-pole 3.5 mm stereo jack, 3.5 mm/6.35 mm stereo jack adapter, hardcase

Sources

Sennheiser HD 820

Manufacturer specification

Sennheiser HD 820 — official UK product page and specifications

Beyerdynamic T5 (3rd generation)

Manufacturer specification

beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

Check the exact configuration and source conditions for your use.

Rated sensitivity

Sennheiser HD 820103 dB SPL (1 kHz, 1 Vrms)

Beyerdynamic T5 (3rd generation)100 dB SPL (1 mW)

Sources

Sennheiser HD 820

Manufacturer specification · Voltage reference (dB/V), not dB/mW.

Sennheiser HD 820 — official UK product page and specifications Sennheiser UK store — HD 820 product variant data (SKU and EAN)

Beyerdynamic T5 (3rd generation)

Manufacturer specification · Nominal sound pressure level per 1 mW.

beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

Keep the frequency and voltage or power reference attached. Sensitivity describes output for an input, not sound quality; dB/V and dB/mW are different measures.

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

Sennheiser HD 820Over-ear (circumaural), closed-back dynamic headphones

Beyerdynamic T5 (3rd generation)Over-ear (circumaural), closed-back wired headphones

Sources

Sennheiser HD 820

Manufacturer specification

Sennheiser HD 820 — official UK product page and specifications Sennheiser UK store — HD 820 product variant data (SKU and EAN)

Beyerdynamic T5 (3rd generation)

Manufacturer specification

beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

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 (11)

Active noise cancellation

Sennheiser HD 820Not verified

Beyerdynamic T5 (3rd generation)Not verified

Sources

Sennheiser HD 820

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 820 — official UK product page and specifications Sennheiser UK store — HD 820 product variant data (SKU and EAN)

Beyerdynamic T5 (3rd generation)

beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

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

Microphone

In Visual facts

Sennheiser HD 820Not verified

Beyerdynamic T5 (3rd generation)Not verified

Sources

Sennheiser HD 820

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 820 — official UK product page and specifications

Beyerdynamic T5 (3rd generation)

beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

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

Battery life

Sennheiser HD 820Not verified

Beyerdynamic T5 (3rd generation)Not verified

Sources

Sennheiser HD 820

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 820 — official UK product page and specifications

Beyerdynamic T5 (3rd generation)

beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

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

Cable arrangement

Sennheiser HD 820Not verified

Beyerdynamic T5 (3rd generation)Detachable, double-sided cable

Sources

Sennheiser HD 820

No source recorded for this side.

Beyerdynamic T5 (3rd generation)

Manufacturer specification

beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

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

Driver size

Sennheiser HD 82056 mm

Beyerdynamic T5 (3rd generation)Not verified

Sources

Sennheiser HD 820

Manufacturer specification

Sennheiser HD 820 — official UK product page and specifications

Beyerdynamic T5 (3rd generation)

No source recorded for this side.

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

Earpads

Sennheiser HD 820Not verified

Beyerdynamic T5 (3rd generation)Protein-coated leatherette with memory foam; replaceable

Sources

Sennheiser HD 820

No source recorded for this side.

Beyerdynamic T5 (3rd generation)

Manufacturer specification

beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

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

Headband pressure

Sennheiser HD 820Not verified

Beyerdynamic T5 (3rd generation)Approx. 4 N

Sources

Sennheiser HD 820

No source recorded for this side.

Beyerdynamic T5 (3rd generation)

Manufacturer specification

beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

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

Construction

Sennheiser HD 820Not verified

Beyerdynamic T5 (3rd generation)Brushed, lacquered aluminium housing covers without acoustic openings, brushed anodised aluminium yokes, Alcantara; handmade in Germany

Sources

Sennheiser HD 820

No source recorded for this side.

Beyerdynamic T5 (3rd generation)

Manufacturer specification

beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

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

Maximum sound pressure level

Sennheiser HD 820Not verified

Beyerdynamic T5 (3rd generation)124 dB (300 mW)

Sources

Sennheiser HD 820

No source recorded for this side.

Beyerdynamic T5 (3rd generation)

Manufacturer specification

beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

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

Power handling capacity

Sennheiser HD 820Not verified

Beyerdynamic T5 (3rd generation)300 mW

Sources

Sennheiser HD 820

No source recorded for this side.

Beyerdynamic T5 (3rd generation)

Manufacturer specification

beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

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

Certification

Sennheiser HD 820Not verified

Beyerdynamic T5 (3rd generation)Hi-Res Audio certified

Sources

Sennheiser HD 820

No source recorded for this side.

Beyerdynamic T5 (3rd generation)

Manufacturer specification

beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)

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

Sennheiser HD 820

Select a feature to check your fit.

YOUR CHOICE

Beyerdynamic T5 (3rd generation)

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

Sennheiser HD 820

What it brings

Both an unbalanced 6.35 mm cable and a balanced 4.4 mm cable are supplied, each 3 m long, and an optional XLR-4 balanced cable is available for headphone amplifiers, DACs and other components.
Manufacturer source
Sennheiser attributes ambient-noise attenuation to the closed-back construction but publishes no attenuation figure.
Manufacturer source Manufacturer source
Sennheiser publishes 12–43,800 Hz at −3 dB and 6–48,000 Hz at −10 dB, 300-ohm impedance and 103 dB at 1 kHz, 1 V.
Manufacturer source Manufacturer source

What to check

Sennheiser states the distortion test two ways: below 0.02% at 1 kHz and 100 dB in the specification table, and 0.02% at 1 kHz, 1 Vrms in the feature list.
Manufacturer source
The supplied cables end in 6.35 mm and 4.4 mm plugs; no 3.5 mm plug or adapter is listed in the box, and the XLR-4 cable is optional.
Manufacturer source
The supplied cables are 3 m long, with 6.35 mm unbalanced and 4.4 mm balanced plugs.
Manufacturer source Manufacturer source

Beyerdynamic T5 (3rd generation)

What it brings

beyerdynamic recommends the closed-back T5 for noisier environments, saying ambient noise is reduced and sound does not leak out; the open T1 is its alternative for quiet rooms.
Manufacturer source Manufacturer source
At 32 ohms with a rated 100 dB SPL at 1 mW, beyerdynamic says it can be connected easily to mobile devices as well as stationary amplifiers.
Manufacturer source Manufacturer source
The double-sided cable detaches, balanced XLR and 2.5 mm cables are offered as accessories, and a hardcase is included.
Manufacturer source Manufacturer source

What to check

Beyerdynamic attributes noise reduction to the closed-back construction but publishes no attenuation figure.
Manufacturer source Manufacturer source
The supplied cable is 1.4 m; the 3 m cable is a separate accessory. It weighs 360 g without the cable and is listed without a remote.
Manufacturer source Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

23 of 23 specifications Sources in each row

Source-backed specifications for Sennheiser HD 820 and Beyerdynamic T5 (3rd generation)
Specification	Sennheiser HD 820	Beyerdynamic T5 (3rd generation)

Wearing style Sources Sennheiser HD 820 Manufacturer specification Sennheiser HD 820 — official UK product page and specifications Sennheiser UK store — HD 820 product variant data (SKU and EAN) Beyerdynamic T5 (3rd generation) Manufacturer specification beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	Over-ear (circumaural), closed-back dynamic headphones	Over-ear (circumaural), closed-back wired headphones
Weight Sources Sennheiser HD 820 Manufacturer specification · Without the connection cable, per Sennheiser's UK store data ('360 g without cable'); the product-page table gives 360 g. Sennheiser HD 820 — official UK product page and specifications Sennheiser UK store — HD 820 product variant data (SKU and EAN) Beyerdynamic T5 (3rd generation) Manufacturer specification · Headphones without cable. beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	360 g	360 g
Acoustic design Sources Sennheiser HD 820 Manufacturer specification Sennheiser HD 820 — official UK product page and specifications Beyerdynamic T5 (3rd generation) Manufacturer specification beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	Closed-back	Closed-back
Headband pressure Sources Sennheiser HD 820 No source recorded. Beyerdynamic T5 (3rd generation) Manufacturer specification beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	Not provided	Approx. 4 N
Earpads Sources Sennheiser HD 820 No source recorded. Beyerdynamic T5 (3rd generation) Manufacturer specification beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	Not provided	Protein-coated leatherette with memory foam; replaceable
Construction Sources Sennheiser HD 820 No source recorded. Beyerdynamic T5 (3rd generation) Manufacturer specification beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	Not provided	Brushed, lacquered aluminium housing covers without acoustic openings, brushed anodised aluminium yokes, Alcantara; handmade in Germany

Wired / wireless connectionsDifferent Sources Sennheiser HD 820 Manufacturer specification · Sennheiser's box list names only the 6.35 mm unbalanced and 4.4 mm balanced cables; no 3.5 mm plug or adapter is listed. Sennheiser HD 820 — official UK product page and specifications Sennheiser UK store — HD 820 product variant data (SKU and EAN) Beyerdynamic T5 (3rd generation) Manufacturer specification · A 3 m cable with screwed 6.35 mm adapter and balanced cables (4-pin XLR, 3 m; 4-pole 2.5 mm jack, 1.4 m) are listed as separately sold accessories. beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	Wired analogue; detachable 3 m cables with 6.35 mm unbalanced plug (fitted) and 4.4 mm balanced plug, both supplied; XLR-4 balanced cable optional	Wired; detachable double-sided 1.4 m textile-braided cable with OCC7N copper conductors, gold-plated 3.5 mm stereo jack and plug-in 6.35 mm adapter
Cable lengthDifferent Sources Sennheiser HD 820 Manufacturer specification Sennheiser HD 820 — official UK product page and specifications Sennheiser UK store — HD 820 product variant data (SKU and EAN) Beyerdynamic T5 (3rd generation) Manufacturer specification beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	3 m	1.4 m
ConnectorsDifferent Sources Sennheiser HD 820 Manufacturer specification Sennheiser HD 820 — official UK product page and specifications Sennheiser UK store — HD 820 product variant data (SKU and EAN) Beyerdynamic T5 (3rd generation) Manufacturer specification beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	6.35 mm unbalanced (3-pin) and 4.4 mm balanced (5-pin) supplied; XLR-4 balanced (4-pin) cable optional	Gold-plated three-pole 3.5 mm stereo jack with plug-in 6.35 mm adapter
Cable arrangement Sources Sennheiser HD 820 No source recorded. Beyerdynamic T5 (3rd generation) Manufacturer specification beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	Not provided	Detachable, double-sided cable

Driver constructionDifferent Sources Sennheiser HD 820 Manufacturer specification Sennheiser HD 820 — official UK product page and specifications Beyerdynamic T5 (3rd generation) Manufacturer specification · Driver diameter is not published in the sources read. beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	56 mm Ring Radiator dynamic transducer with concave Gorilla Glass reflectors	Tilted dynamic Tesla transducers, individually measured and matched in pairs
Driver size Sources Sennheiser HD 820 Manufacturer specification Sennheiser HD 820 — official UK product page and specifications Beyerdynamic T5 (3rd generation) No source recorded.	56 mm	Not provided
Rated frequency rangeDifferent Sources Sennheiser HD 820 Manufacturer specification Sennheiser HD 820 — official UK product page and specifications Sennheiser UK store — HD 820 product variant data (SKU and EAN) Beyerdynamic T5 (3rd generation) Manufacturer specification beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	12–43,800 Hz (−3 dB); 6–48,000 Hz (−10 dB)	5–50,000 Hz
Nominal impedanceDifferent Sources Sennheiser HD 820 Manufacturer specification Sennheiser HD 820 — official UK product page and specifications Sennheiser UK store — HD 820 product variant data (SKU and EAN) Beyerdynamic T5 (3rd generation) Manufacturer specification · beyerdynamic says the Tesla transducers of the 3rd-generation T1/T5 were optimised to 32 ohms for stationary amplifiers and mobile players alike. beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	300 ohm	32 ohm
Rated sensitivityDifferent Sources Sennheiser HD 820 Manufacturer specification · Voltage reference (dB/V), not dB/mW. Sennheiser HD 820 — official UK product page and specifications Sennheiser UK store — HD 820 product variant data (SKU and EAN) Beyerdynamic T5 (3rd generation) Manufacturer specification · Nominal sound pressure level per 1 mW. beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	103 dB SPL (1 kHz, 1 Vrms)	100 dB SPL (1 mW)
Rated total harmonic distortionDifferent Sources Sennheiser HD 820 Manufacturer specification · From the product page's specification table; the same page's feature list states 'Total harmonic distortion: 0.02 % (1 kHz 1 Vrms)', a different test condition. Sennheiser HD 820 — official UK product page and specifications Beyerdynamic T5 (3rd generation) Manufacturer specification beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	<0.02% (1 kHz, 100 dB SPL)	<0.05% (2 kHz / 1 mW)
Power handling capacity Sources Sennheiser HD 820 No source recorded. Beyerdynamic T5 (3rd generation) Manufacturer specification beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	Not provided	300 mW
Maximum sound pressure level Sources Sennheiser HD 820 No source recorded. Beyerdynamic T5 (3rd generation) Manufacturer specification beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	Not provided	124 dB (300 mW)
Certification Sources Sennheiser HD 820 No source recorded. Beyerdynamic T5 (3rd generation) Manufacturer specification beyerdynamic T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	Not provided	Hi-Res Audio certified

In the boxDifferent Sources Sennheiser HD 820 Manufacturer specification Sennheiser HD 820 — official UK product page and specifications Beyerdynamic T5 (3rd generation) Manufacturer specification beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	Headphones, cable with 6.35 mm unbalanced plug (fitted), cable with 4.4 mm balanced plug, instruction manual, storage box, microfibre cloth	T5 headphones, 1.4 m connection cable with three-pole 3.5 mm stereo jack, 3.5 mm/6.35 mm stereo jack adapter, hardcase

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
Microphone Sources Sennheiser HD 820 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 820 — official UK product page and specifications Beyerdynamic T5 (3rd generation) 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 T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	Not listed by the manufacturer	Not listed by the manufacturer
Active noise cancellation Sources Sennheiser HD 820 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 820 — official UK product page and specifications Sennheiser UK store — HD 820 product variant data (SKU and EAN) Beyerdynamic T5 (3rd generation) 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 T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	Not listed by the manufacturer	Not listed by the manufacturer
Battery life Sources Sennheiser HD 820 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 820 — official UK product page and specifications Beyerdynamic T5 (3rd generation) 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 T5 (3rd generation) — global product page and technical data beyerdynamic T5 (3rd generation) — English specification sheet (08.20)	Not listed by the manufacturer	Not listed by the manufacturer

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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.