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HEADPHONES · YOUR NEXT FACE-OFF

Sennheiser HD 505 vs Sennheiser HD 600

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

Compared products

YOUR FIRST CHOICE

Sennheiser HD 505

700453 · Copper Edition (black with copper/bronze accents) · wired

Sennheiser HD 505 open-back over-ear headphones in black with copper accents, three-quarter view
Full product profile Official image
Exact model & source notes

The HD 505 (article 700453, sold as the Copper Edition) is a open-back around-ear headphone from Sennheiser's HD 500 family, with a 120-ohm dynamic transducer angled forward in the cup, high-grade metal mesh earcup covers, a detachable 1.8 m cable with a 3.5 mm plug and a rated 237 g without the cable. Sennheiser describes its response as very close to the Harman Curve and as extending further into sub-bass than the HD 599.

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 HD 505 for

  • Lower stated nominal impedance: 120 ohm vs 300 ohm

Choose the HD 600 for

  • Higher stated nominal impedance: 300 ohm vs 120 ohm
  • Longer stated cable length: 3 m vs 1.8 m
Built from verified specifications that differ. Not a rating or a recommendation.
See the 11 verified differences
THE CONTENDER

Sennheiser HD 600

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

Sennheiser HD 600 grey open-back headphones, blue HD 600 badge and detachable cable; manufacturer model illustration
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

HD 505 UK & US retailers

UK
Search Amazon UKSearch eBay UK
US
Search Amazon USSearch eBay US

UK & US price history: no verified listing yet

HD 600 UK & US retailers

UK
Search Amazon UKSearch eBay UK
US
Search Amazon USSearch eBay US

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 600300 Ω

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

Source 1
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 ↓

11 verified differences, most decision-relevant first. 2 are also drawn in Visual facts above. Missing information stays separate.

Wired / wireless connections

Sennheiser HD 505Wired analogue; detachable 1.80 m cable with 3.5 mm plug (left-side entry) and supplied 3.5-to-6.35 mm screw-on adapter
Sennheiser HD 600Wired analogue stereo; detachable 3 m cable and supplied adapter support 3.5 mm and 6.35 mm connections
Sources
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 specificationsSennheiser HD 600 — operating guide and specifications

Check the exact configuration and source conditions for your use.

Driver construction

Sennheiser HD 505Dynamic transducer, angled forward in the ear cups
Sennheiser HD 600Open dynamic 42 mm driver with a 38 mm diaphragm and aluminium voice coils
Sources
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.

Rated total harmonic distortion

Sennheiser HD 505<0.2% (1 kHz / 90 dB SPL)
Sennheiser HD 600≤0.1% at 1 kHz, 1 V rms (DIN 45500)
Sources
Sennheiser HD 505

Manufacturer specification · Rated at 1 kHz and 90 dB SPL; other models use different test levels, so compare with care.

Sennheiser HD 505 — official UK product page and specifications
Sennheiser HD 600

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

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

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

Show 5 more verified differences

Frequency tuning

Sennheiser HD 505Response described as very close to the Harman Curve
Sennheiser HD 600Diffuse-field equalised
Sources
Sennheiser HD 505

Manufacturer specification · Sennheiser's description of its published HD 505 response graph; not a measurement by this site.

Sennheiser HD 505 — official UK product page and specifications
Sennheiser HD 600

Manufacturer specification

Sennheiser HD 600 — operating guide and specifications

Check the exact configuration and source conditions for your use.

Rated sensitivity

Sennheiser HD 505107.9 dB SPL (1 kHz, 1 Vrms)
Sennheiser HD 60097 dB SPL at 1 kHz, 1 V rms
Sources
Sennheiser HD 505

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

Sennheiser HD 505 — official UK product page and specifications
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

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.

Serviceability

Sennheiser HD 505HD 500-series cables and accessories are compatible; replacement parts such as ear cushions are offered
Sennheiser HD 600Detachable cable and replaceable ear pads
Sources
Sennheiser HD 600

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

Sennheiser HD 600 — operating guide and specifications

Check the exact configuration and source conditions for your use.

Missing or non-comparable evidence (13)

Active noise cancellation

Sennheiser HD 505Not verified
Sennheiser HD 600Not verified
Sources
Sennheiser HD 505

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 505 — official UK product page and specifications
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
Sennheiser HD 505Not verified
Sennheiser HD 600Not verified
Sources
Sennheiser HD 505

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 505 — official UK product page and specifications
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

Sennheiser HD 505Not verified
Sennheiser HD 600Not verified
Sources
Sennheiser HD 505

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 505 — official UK product page and specifications
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.

Included and optional cables

Sennheiser HD 505Not verified
Sennheiser HD 600Detachable 3 m unbalanced cable included; 4.4 mm and XLR-4 balanced cables optional
Sources
Sennheiser HD 505

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 specificationsSennheiser HD 600 — operating guide and specifications

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

Supplied plug configuration

Sennheiser HD 505Not verified
Sennheiser HD 600Conflicting evidence
Sources
Sennheiser HD 505

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 specificationsSennheiser 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

Sennheiser HD 505Not verified
Sennheiser HD 600Approximately 6.0 N ±1.0 N
Sources
Sennheiser HD 505

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.

In the box

Sennheiser HD 505Headphones, 1.80 m cable with 3.5 mm plug, 3.5-to-6.35 mm screw-on adapter, drawstring bag
Sennheiser HD 600Not verified
Sources
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 long-term input power

Sennheiser HD 505Not verified
Sennheiser HD 6000.2 W under DIN 45580
Sources
Sennheiser HD 505

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.

Operating temperature

Sennheiser HD 505Not verified
Sennheiser HD 600−10 °C to +55 °C
Sources
Sennheiser HD 505

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.

Manufacturer sub-bass claim

Sennheiser HD 505Extends further into sub-bass than the HD 599
Sennheiser HD 600Not verified
Sources
Sennheiser HD 600

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

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

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.

YOUR CHOICE

Sennheiser HD 505

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

Sennheiser HD 505

What it brings

  • Its 107.9 dB at 1 V rating and 120-ohm impedance are published together, so buyers can judge how much voltage a phone, computer or amplifier needs to supply.
    Manufacturer source
  • The cable is detachable, HD 500-series cables and accessories are stated to fit, and replacement ear cushions are offered.
    Manufacturer source
  • A 3.5 mm plug with a screw-on 6.35 mm adapter covers both portable and hi-fi headphone sockets.
    Manufacturer source

What to check

Sennheiser HD 600

What it brings

What to check

COMPARE THE DETAILS

Full specifications

How we verify
26 of 26 specifications Sources in each row
Source-backed specifications for Sennheiser HD 505 and Sennheiser HD 600
SpecificationSennheiser HD 505Sennheiser HD 600
Wearing style
Sources
Sennheiser HD 600

Manufacturer specification

Sennheiser HD 600 — operating guide and specifications
Over-ear (circumaural), open-back dynamic headphonesOver-ear (circumaural), open-back dynamic headphones
WeightDifferent
Sources
Sennheiser HD 505

Manufacturer specification · Without the cable.

Sennheiser HD 505 — official UK product page and specifications
Sennheiser HD 600

Manufacturer specification · Approximate, without the cable.

Sennheiser HD 600 — operating guide and specifications
237 g260 g
Acoustic design
Sources
Sennheiser HD 600

Manufacturer specification

Sennheiser HD 600 — operating guide and specifications
Open-backOpen-back
Ear padsDifferent
Sources
Sennheiser HD 600

Manufacturer specification · Replacement procedure shown in the manual.

Sennheiser HD 600 — exact model specificationsSennheiser HD 600 — operating guide and specifications
Synthetic velourVelour ear pads; replaceable
Construction
Sources
Sennheiser HD 600

No source recorded.

High-grade metal mesh earcup covers; revised synthetic leather headbandNot provided
ServiceabilityDifferent
Sources
Sennheiser HD 600

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

Sennheiser HD 600 — operating guide and specifications
HD 500-series cables and accessories are compatible; replacement parts such as ear cushions are offeredDetachable cable and replaceable ear pads
Rated contact pressure
Sources
Sennheiser HD 505

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 providedApproximately 6.0 N ±1.0 N
Wired / wireless connectionsDifferent
Sources
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 specificationsSennheiser HD 600 — operating guide and specifications
Wired analogue; detachable 1.80 m cable with 3.5 mm plug (left-side entry) and supplied 3.5-to-6.35 mm screw-on adapterWired analogue stereo; detachable 3 m cable and supplied adapter support 3.5 mm and 6.35 mm connections
Cable lengthDifferent
Sources
Sennheiser HD 600

Manufacturer specification · Length of the supplied cable.

Sennheiser HD 600 — operating guide and specifications
1.8 m3 m
Included and optional cables
Sources
Sennheiser HD 505

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 specificationsSennheiser HD 600 — operating guide and specifications
Not providedDetachable 3 m unbalanced cable included; 4.4 mm and XLR-4 balanced cables optional
Driver constructionDifferent
Sources
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
Dynamic transducer, angled forward in the ear cupsOpen dynamic 42 mm driver with a 38 mm diaphragm and aluminium voice coils
Rated frequency rangeDifferent
Sources
Sennheiser HD 505

Manufacturer specification · No tolerance is stated.

Sennheiser HD 505 — official UK product page and specifications
Sennheiser HD 600

Manufacturer specification

Sennheiser HD 600 — operating guide and specifications
12 Hz – 38.5 kHz12–40,500 Hz (−10 dB)
Frequency tuningDifferent
Sources
Sennheiser HD 505

Manufacturer specification · Sennheiser's description of its published HD 505 response graph; not a measurement by this site.

Sennheiser HD 505 — official UK product page and specifications
Sennheiser HD 600

Manufacturer specification

Sennheiser HD 600 — operating guide and specifications
Response described as very close to the Harman CurveDiffuse-field equalised
Manufacturer sub-bass claim
Sources
Sennheiser HD 600

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

Sennheiser HD 600 — exact model specificationsSennheiser HD 600 — operating guide and specifications
Extends further into sub-bass than the HD 599Not listed by the manufacturer
Nominal impedanceDifferent
Sources
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
120 ohm300 ohm
Rated sensitivityDifferent
Sources
Sennheiser HD 505

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

Sennheiser HD 505 — official UK product page and specifications
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
107.9 dB SPL (1 kHz, 1 Vrms)97 dB SPL at 1 kHz, 1 V rms
Rated total harmonic distortionDifferent
Sources
Sennheiser HD 505

Manufacturer specification · Rated at 1 kHz and 90 dB SPL; other models use different test levels, so compare with care.

Sennheiser HD 505 — official UK product page and specifications
Sennheiser HD 600

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

Sennheiser HD 600 — exact model specificationsSennheiser HD 600 — operating guide and specifications
<0.2% (1 kHz / 90 dB SPL)≤0.1% at 1 kHz, 1 V rms (DIN 45500)
Rated long-term input power
Sources
Sennheiser HD 505

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 provided0.2 W under DIN 45580
In the box
Sources
Sennheiser HD 600

No source recorded.

Headphones, 1.80 m cable with 3.5 mm plug, 3.5-to-6.35 mm screw-on adapter, drawstring bagNot provided
Static magnetic field at the surface
Sources
Sennheiser HD 505

No source recorded.

Sennheiser HD 600

Manufacturer specification · Static magnetic field at the headphone surface.

Sennheiser HD 600 — exact model specificationsSennheiser HD 600 — operating guide and specifications
Not provided1.8 mT
Operating temperature
Sources
Sennheiser HD 505

No source recorded.

Sennheiser HD 600

Manufacturer specification

Sennheiser HD 600 — operating guide and specifications
Not provided−10 °C to +55 °C
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
Sennheiser HD 505

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 505 — official UK product page and specifications
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
Not listed by the manufacturerNot listed by the manufacturer
Active noise cancellation
Sources
Sennheiser HD 505

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 505 — official UK product page and specifications
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
Not listed by the manufacturerNot listed by the manufacturer
Battery life
Sources
Sennheiser HD 505

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 505 — official UK product page and specifications
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
Not listed by the manufacturerNot listed by the manufacturer
Supplied plug configuration
Sources
Sennheiser HD 505

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 specificationsSennheiser HD 600 — operating guide and specifications
Not providedConflicting sources
Published acoustic changes
Sources
Sennheiser HD 505

No source recorded.

Sennheiser HD 600

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

Sennheiser HD 600 — exact model specificationsSennheiser HD 600 — operating guide and specifications
Not providedNot listed by the manufacturer
First product manufacturer sourceSecond product manufacturer source
FIND YOUR CONTENDERS

More products

Closest headphones to this pair by shared key specifications. Not a popularity ranking.

See all 213 headphones
Black Sennheiser HD 800 S open-back headphones with ring-radiator earcups and detachable cable connectors visible

Sennheiser HD 800 S

Impedance
300 Ω
Cable length
3 m
Wearing style
Over-ear (circumaural), open-back dynamic headphones
Prices & product profile
Sennheiser HD 650 headphones with the HD 650 badge, titanium-silver frame, black open grilles and detachable cable visible

Sennheiser HD 650

Impedance
300 Ω
Cable length
3 m
Wearing style
Over-ear (circumaural), open-back dynamic headphones
Prices & product profile
Sennheiser HD 660S2 open-back over-ear headphones with model badge and detachable cable visible

Sennheiser HD 660S2

Impedance
300 Ω
Cable length
1.8 m
Wearing style
Over-ear (circumaural), open-back dynamic headphones
Prices & product profile
Sennheiser HD 400 PRO open-back studio headphones in black lying on their side, showing the whole padded headband and attached coiled cable

Sennheiser HD 400 PRO

Impedance
120 Ω
Cable length
1.8 m
Wearing style
Over-ear (circumaural), open-back wired studio headphones
Prices & product profile

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.