HEADPHONES · YOUR NEXT FACE-OFF

Sennheiser HD 300 PROtect vs Sennheiser HD 569

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

Compared products

YOUR FIRST CHOICE

Sennheiser HD 300 PROtect

506898 · HD 300 PROtect (with ActiveGard) · wired

Full product profile Official image

Exact model & source notes

The HD 300 PROtect (article 506898) is the HD 300 PRO closed-back, around-ear monitoring headphone with Sennheiser's switchable ActiveGard limiter, which limits peaks above 110 dB. It shares the HD 300 PRO's passive attenuation (rated up to 32 dB), 64 Ω impedance, approx. 297 g weight without cable and replaceable pads, headband padding and cable. It is passive, with no microphone or active noise cancellation. Sennheiser lists a two-year warranty.

Specifications checked 27 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 300 PROtect for

Higher stated nominal impedance: 64 ohm vs 23 ohm

Choose the HD 569 for

Microphone: Yes vs No
Lower stated nominal impedance: 23 ohm vs 64 ohm
Longer stated cable length: 3 m vs 1.55 m

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

See the 11 verified differences

THE CONTENDER

Sennheiser HD 569

506829 · wired, with 1-button remote and microphone cable

Full product profile Official image

Exact model & source notes

The HD 569 (article 506829) is a closed-back, over-ear wired headset from Sennheiser's HD 5 range, which Sennheiser presents as the successor to its HD 500 series. It has a 38 mm transducer with E.A.R. angled driver alignment, a 23 Ω impedance and soft replaceable ear pads, and comes with two detachable cables: a 3 m cable with a 6.3 mm plug for home use and a 1.2 m cable with a 3.5 mm plug, 1-button remote and microphone for calls. Sennheiser gives its weight as 300 g and lists no active noise cancellation.

Specifications checked 27 Sept 2026.

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

Manufacturer specifications

HD 300 PROtect UK & US retailers

UK & US price history: no verified listing yet

HD 569 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 300 PROtect64 Ω

Source 1 Source 2

Sennheiser HD 56923 Ω

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. 3 are also drawn in Visual facts above. Missing information stays separate.

Wired / wireless connections

Sennheiser HD 300 PROtectWired; exchangeable 1.5 m cable with 3.5 mm jack on Sennheiser's system connector, and supplied 6.3 mm (1/4") stereo jack adapter

Sennheiser HD 569Wired analogue; two detachable cables — 3 m with 6.3 mm straight plug, and 1.2 m with 3.5 mm straight plug, 1-button remote and microphone

Sources

Sennheiser HD 300 PROtect

Manufacturer specification · The box list names a 1.5 m cable; the specification sheet and quick guide give approx. 1.55 m.

Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO | HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)

Sennheiser HD 569

Manufacturer specification

Sennheiser HD 569 — official UK product page and specifications Sennheiser US store — HD 569 product variant data (SKU and UPC)

Check the exact configuration and source conditions for your use.

Microphone

In Visual facts

Sennheiser HD 300 PROtectNo

Sennheiser HD 569Yes

Sources

Sennheiser HD 300 PROtect

Manufacturer specification · Monitoring headphones; no microphone is listed in the specifications or package contents.

Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO | HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)

Sennheiser HD 569

Manufacturer specification · In-line on the 1.2 m cable with a 1-button remote for calls; not on the 3 m cable.

Sennheiser HD 569 — official UK product page and specifications Sennheiser US store — HD 569 product variant data (SKU and UPC)

Check the exact configuration and source conditions for your use.

Nominal impedance

In Visual facts

Sennheiser HD 300 PROtect64 ohm

Sennheiser HD 56923 ohm

Sources

Sennheiser HD 300 PROtect

Manufacturer specification

Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO | HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)

Sennheiser HD 569

Manufacturer specification

Sennheiser HD 569 — official UK product page and specifications

Check the exact configuration and source conditions for your use.

Driver construction

Sennheiser HD 300 PROtectDynamic transducers with precision diaphragms

Sennheiser HD 56938 mm transducer using Sennheiser’s proprietary transducer technology, with E.A.R. (Ergonomic Acoustic Refinement) angled driver alignment

Sources

Sennheiser HD 300 PROtect

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

Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO | HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)

Sennheiser HD 569

Manufacturer specification · Sennheiser says the E.A.R. angled driver alignment recreates the optimal listening position every time; the specification table gives the transducer size as 38 mm.

Sennheiser HD 569 — official UK product page and specifications Sennheiser US store — HD 569 product variant data (SKU and UPC)

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

Cable arrangement

Sennheiser HD 300 PROtectExchangeable cable on Sennheiser's system connector; Sennheiser describes a coiled cable that filters structure-borne noise at the earpiece

Sennheiser HD 569Two detachable cables supplied

Sources

Sennheiser HD 300 PROtect

Manufacturer specification

Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO | HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)

Sennheiser HD 569

Manufacturer specification

Sennheiser HD 569 — official UK product page and specifications Sennheiser US store — HD 569 product variant data (SKU and UPC)

Check the exact configuration and source conditions for your use.

Cable length

In Visual facts

Sennheiser HD 300 PROtect1.55 m

Sennheiser HD 5693 m

Sources

Sennheiser HD 300 PROtect

Manufacturer specification · Approximate; the box list names the cable as 1.5 m.

Sennheiser HD 300 PRO | HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)Sennheiser HD 300 PRO / PROtect — quick guide (Publ. 07/18)

Sennheiser HD 569

Manufacturer specification · Longer of the two supplied cables (6.3 mm plug); the microphone cable is 1.2 m with a 3.5 mm plug.

Sennheiser HD 569 — official UK product page and specifications

Check the exact configuration and source conditions for your use.

Show 5 more verified differences

Rated total harmonic distortion

Sennheiser HD 300 PROtect<0.1% at 1 kHz, 94 dB SPL

Sennheiser HD 569<0.2% (1 kHz, 100 dB)

Sources

Sennheiser HD 300 PROtect

Manufacturer specification

Sennheiser HD 300 PRO | HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)Sennheiser HD 300 PRO / PROtect — quick guide (Publ. 07/18)

Sennheiser HD 569

Manufacturer specification

Sennheiser HD 569 — official UK product page and specifications

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

Ear pads

Sennheiser HD 300 PROtectViscoelastic; replaceable

Sennheiser HD 569Large, soft, replaceable ear pads

Sources

Sennheiser HD 300 PROtect

Manufacturer specification

Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO | HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)

Sennheiser HD 569

Manufacturer specification

Sennheiser HD 569 — official UK product page and specifications Sennheiser US store — HD 569 product variant data (SKU and UPC)

Check the exact configuration and source conditions for your use.

Rated frequency range

Sennheiser HD 300 PROtect6–25,000 Hz

Sennheiser HD 56910 Hz – 28 kHz

Sources

Sennheiser HD 300 PROtect

Manufacturer specification · No level tolerance is stated.

Sennheiser HD 300 PRO | HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)Sennheiser HD 300 PRO / PROtect — quick guide (Publ. 07/18)

Sennheiser HD 569

Manufacturer specification · No tolerance is stated.

Sennheiser HD 569 — official UK product page and specifications

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 300 PROtectHD 300 PROtect headphones, 1.5 m cable with 3.5 mm jack, 6.3 mm (1/4") stereo jack adapter, quick guide

Sennheiser HD 569HD 569 headset, 1.2 m cable with 1-button remote and 3.5 mm straight plug, 3 m cable with 6.3 mm straight plug

Sources

Sennheiser HD 300 PROtect

Manufacturer specification

Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data

Sennheiser HD 569

Manufacturer specification

Sennheiser HD 569 — official UK product page and specifications

Check the exact configuration and source conditions for your use.

Rated sensitivity

Sennheiser HD 300 PROtect108 ±3 dB SPL (1 kHz, 1 Vrms)

Sennheiser HD 569115 dB SPL (1 kHz, 1 Vrms)

Sources

Sennheiser HD 300 PROtect

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

Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO | HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)

Sennheiser HD 569

Manufacturer specification · Voltage reference (dB/V), not dB/mW; listed as 'Sound pressure level (SPL)'.

Sennheiser HD 569 — official UK product page 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.

Small physical differences (1)

Weight

Sennheiser HD 300 PROtect297 g

Sennheiser HD 569300 g

Sources

Sennheiser HD 300 PROtect

Manufacturer specification · Approximate, without cable, per the specification sheet and quick guide covering both HD 300 PRO and HD 300 PROtect. The product page separately lists 'Product weight (g) 550' without a basis.

Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO | HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)Sennheiser HD 300 PRO / PROtect — quick guide (Publ. 07/18)

Sennheiser HD 569

Manufacturer specification · Sennheiser does not say whether the figure includes a cable.

Sennheiser HD 569 — official UK product page and specifications

A size or weight trade-off; it does not establish the better product.

Configuration & compatibility details (1)

Wearing style

Sennheiser HD 300 PROtectOver-ear (circumaural), closed-back wired monitoring headphones

Sennheiser HD 569Over-ear, closed-back wired headset

Sources

Sennheiser HD 300 PROtect

Manufacturer specification

Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO | HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)

Sennheiser HD 569

Manufacturer specification

Sennheiser HD 569 — official UK product page and specifications

Both sources describe the same wearing style and acoustic design in different words. The extra wording does not establish a different fit; compare the separately listed fields.

Missing or non-comparable evidence (11)

Battery life

Sennheiser HD 300 PROtectNot required: passive wired headphones powered by the audio source

Sennheiser HD 569Not verified

Sources

Sennheiser HD 300 PROtect

Manufacturer specification · The product page lists 'Battery included: N'.

Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data

Sennheiser HD 569

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 569 — official UK product page and specifications

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

Contact pressure

Sennheiser HD 300 PROtectApprox. 6 N

Sennheiser HD 569Not verified

Sources

Sennheiser HD 300 PROtect

Manufacturer specification

Sennheiser HD 300 PRO | HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)Sennheiser HD 300 PRO / PROtect — quick guide (Publ. 07/18)

Sennheiser HD 569

No source recorded for this side.

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

Controls

Sennheiser HD 300 PROtectNot verified

Sennheiser HD 5691-button remote on the 1.2 m cable for managing calls

Sources

Sennheiser HD 300 PROtect

No source recorded for this side.

Sennheiser HD 569

Manufacturer specification

Sennheiser HD 569 — official UK product page and specifications Sennheiser US store — HD 569 product variant data (SKU and UPC)

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

Driver diameter

Sennheiser HD 300 PROtectNot verified

Sennheiser HD 56938 mm

Sources

Sennheiser HD 300 PROtect

No source recorded for this side.

Sennheiser HD 569

Manufacturer specification

Sennheiser HD 569 — official UK product page and specifications

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

Rated power

Sennheiser HD 300 PROtect500 mW

Sennheiser HD 569Not verified

Sources

Sennheiser HD 300 PROtect

Manufacturer specification · The datasheet labels this 'Power rating'; the product page lists the same figure as 'Power consumption (Amp)'.

Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO | HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)

Sennheiser HD 569

No source recorded for this side.

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

Maximum sound pressure level

Sennheiser HD 300 PROtect123 dB SPL at 1 kHz (ActiveGard off); 110 dB SPL at 1 kHz (ActiveGard on)

Sennheiser HD 569Not verified

Sources

Sennheiser HD 300 PROtect

Manufacturer specification

Sennheiser HD 569

No source recorded for this side.

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

Microphone type

Sennheiser HD 300 PROtectNot verified

Sennheiser HD 569In-line microphone with 1-button remote on the 1.2 m cable; omni-directional pick-up

Sources

Sennheiser HD 300 PROtect

No source recorded for this side.

Sennheiser HD 569

Manufacturer specification

Sennheiser HD 569 — official UK product page and specifications

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

Operating temperature

Sennheiser HD 300 PROtect−15 °C to +55 °C

Sennheiser HD 569Not verified

Sources

Sennheiser HD 300 PROtect

Manufacturer specification · Relative humidity up to 90%.

Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO | HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)

Sennheiser HD 569

No source recorded for this side.

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

Ambient noise attenuation

Sennheiser HD 300 PROtectUp to 32 dB (passive)

Sennheiser HD 569Not verified

Sources

Sennheiser HD 300 PROtect

Manufacturer specification · Passive attenuation; not active noise cancellation.

Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO | HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)

Sennheiser HD 569

No source recorded for this side.

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

Serviceability

Sennheiser HD 300 PROtectModular: ear pads, headband padding and cable are replaceable

Sennheiser HD 569Not verified

Sources

Sennheiser HD 300 PROtect

Manufacturer specification

Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO | HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)

Sennheiser HD 569

No source recorded for this side.

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

Hearing protection and comfort

Sennheiser HD 300 PROtectSwitchable ActiveGard limiter that limits peaks above 110 dB; recess for the fontanelle for pressure distribution and wearing comfort

Sennheiser HD 569Not verified

Sources

Sennheiser HD 300 PROtect

Manufacturer specification · Sennheiser states that the HD 300 PROtect's switchable ActiveGard hearing protection satisfies international directives on industrial safety and noise control.

Sennheiser HD 569

No source recorded for this side.

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 300 PROtect

Select a feature to check your fit.

YOUR CHOICE

Sennheiser HD 569

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 300 PROtect

What it brings

The switchable ActiveGard limiter caps the maximum level at 110 dB SPL when on (123 dB SPL when off), for live, broadcast and high-SPL work.
Manufacturer source Manufacturer source Manufacturer source
Sennheiser rates up to 32 dB of passive ambient-noise attenuation, and the pads, headband padding and cable are replaceable.
Manufacturer source Manufacturer source

What to check

Sennheiser's product page lists an unexplained 550 g 'product weight', while its specification sheet and quick guide give approx. 297 g without cable.
Manufacturer source Manufacturer source Manufacturer source
There is no microphone, wireless connection or active noise cancellation; the ActiveGard limiter is hearing protection against peaks, not noise cancellation.
Manufacturer source Manufacturer source

Sennheiser HD 569

What it brings

The 1.2 m cable adds an in-line microphone and 1-button remote for calls, while the 3 m cable with a 6.3 mm plug suits home equipment.
Manufacturer source Manufacturer source
The closed-back ear cups are designed to keep outside noise out and the music in, so it can be used without disturbing people nearby.
Manufacturer source
Both cables detach and the ear pads are replaceable.
Manufacturer source Manufacturer source

What to check

Isolation is passive only; Sennheiser lists active noise cancellation as False and publishes no attenuation figure.
Manufacturer source
The microphone is on the 1.2 m cable only, and Sennheiser does not say whether the 300 g weight includes a cable.
Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

26 of 26 specifications Sources in each row

Source-backed specifications for Sennheiser HD 300 PROtect and Sennheiser HD 569
Specification	Sennheiser HD 300 PROtect	Sennheiser HD 569

Wearing styleDifferent Sources Sennheiser HD 300 PROtect Manufacturer specification Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0) Sennheiser HD 569 Manufacturer specification Sennheiser HD 569 — official UK product page and specifications	Over-ear (circumaural), closed-back wired monitoring headphones	Over-ear, closed-back wired headset
Acoustic design Sources Sennheiser HD 300 PROtect Manufacturer specification Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0) Sennheiser HD 569 Manufacturer specification Sennheiser HD 569 — official UK product page and specifications	Closed-back	Closed-back
WeightDifferent Sources Sennheiser HD 300 PROtect Manufacturer specification · Approximate, without cable, per the specification sheet and quick guide covering both HD 300 PRO and HD 300 PROtect. The product page separately lists 'Product weight (g) 550' without a basis. Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)Sennheiser HD 300 PRO / PROtect — quick guide (Publ. 07/18) Sennheiser HD 569 Manufacturer specification · Sennheiser does not say whether the figure includes a cable. Sennheiser HD 569 — official UK product page and specifications	297 g	300 g
Contact pressure Sources Sennheiser HD 300 PROtect Manufacturer specification Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)Sennheiser HD 300 PRO / PROtect — quick guide (Publ. 07/18) Sennheiser HD 569 No source recorded.	Approx. 6 N	Not provided
Ear padsDifferent Sources Sennheiser HD 300 PROtect Manufacturer specification Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0) Sennheiser HD 569 Manufacturer specification Sennheiser HD 569 — official UK product page and specifications Sennheiser US store — HD 569 product variant data (SKU and UPC)	Viscoelastic; replaceable	Large, soft, replaceable ear pads
Serviceability Sources Sennheiser HD 300 PROtect Manufacturer specification Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0) Sennheiser HD 569 No source recorded.	Modular: ear pads, headband padding and cable are replaceable	Not provided

Wired / wireless connectionsDifferent Sources Sennheiser HD 300 PROtect Manufacturer specification · The box list names a 1.5 m cable; the specification sheet and quick guide give approx. 1.55 m. Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0) Sennheiser HD 569 Manufacturer specification Sennheiser HD 569 — official UK product page and specifications Sennheiser US store — HD 569 product variant data (SKU and UPC)	Wired; exchangeable 1.5 m cable with 3.5 mm jack on Sennheiser's system connector, and supplied 6.3 mm (1/4") stereo jack adapter	Wired analogue; two detachable cables — 3 m with 6.3 mm straight plug, and 1.2 m with 3.5 mm straight plug, 1-button remote and microphone
Cable arrangementDifferent Sources Sennheiser HD 300 PROtect Manufacturer specification Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0) Sennheiser HD 569 Manufacturer specification Sennheiser HD 569 — official UK product page and specifications Sennheiser US store — HD 569 product variant data (SKU and UPC)	Exchangeable cable on Sennheiser's system connector; Sennheiser describes a coiled cable that filters structure-borne noise at the earpiece	Two detachable cables supplied
Cable lengthDifferent Sources Sennheiser HD 300 PROtect Manufacturer specification · Approximate; the box list names the cable as 1.5 m. Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)Sennheiser HD 300 PRO / PROtect — quick guide (Publ. 07/18) Sennheiser HD 569 Manufacturer specification · Longer of the two supplied cables (6.3 mm plug); the microphone cable is 1.2 m with a 3.5 mm plug. Sennheiser HD 569 — official UK product page and specifications	1.55 m	3 m
Battery life Sources Sennheiser HD 300 PROtect Manufacturer specification · The product page lists 'Battery included: N'. Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 569 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 569 — official UK product page and specifications	Not required: passive wired headphones powered by the audio source	Not listed by the manufacturer

Hearing protection and comfort Sources Sennheiser HD 300 PROtect Manufacturer specification · Sennheiser states that the HD 300 PROtect's switchable ActiveGard hearing protection satisfies international directives on industrial safety and noise control. Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)Sennheiser HD 300 PRO / PROtect — quick guide (Publ. 07/18) Sennheiser HD 569 No source recorded.	Switchable ActiveGard limiter that limits peaks above 110 dB; recess for the fontanelle for pressure distribution and wearing comfort	Not provided
Driver constructionDifferent Sources Sennheiser HD 300 PROtect Manufacturer specification · Sennheiser does not state the transducer diameter on the pages and documents read. Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0) Sennheiser HD 569 Manufacturer specification · Sennheiser says the E.A.R. angled driver alignment recreates the optimal listening position every time; the specification table gives the transducer size as 38 mm. Sennheiser HD 569 — official UK product page and specifications Sennheiser US store — HD 569 product variant data (SKU and UPC)	Dynamic transducers with precision diaphragms	38 mm transducer using Sennheiser’s proprietary transducer technology, with E.A.R. (Ergonomic Acoustic Refinement) angled driver alignment
Rated frequency rangeDifferent Sources Sennheiser HD 300 PROtect Manufacturer specification · No level tolerance is stated. Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)Sennheiser HD 300 PRO / PROtect — quick guide (Publ. 07/18) Sennheiser HD 569 Manufacturer specification · No tolerance is stated. Sennheiser HD 569 — official UK product page and specifications	6–25,000 Hz	10 Hz – 28 kHz
Nominal impedanceDifferent Sources Sennheiser HD 300 PROtect Manufacturer specification Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0) Sennheiser HD 569 Manufacturer specification Sennheiser HD 569 — official UK product page and specifications	64 ohm	23 ohm
Rated sensitivityDifferent Sources Sennheiser HD 300 PROtect Manufacturer specification · Voltage reference (dB/V), not dB/mW. Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0) Sennheiser HD 569 Manufacturer specification · Voltage reference (dB/V), not dB/mW; listed as 'Sound pressure level (SPL)'. Sennheiser HD 569 — official UK product page and specifications	108 ±3 dB SPL (1 kHz, 1 Vrms)	115 dB SPL (1 kHz, 1 Vrms)
Maximum sound pressure level Sources Sennheiser HD 300 PROtect Manufacturer specification Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)Sennheiser HD 300 PRO / PROtect — quick guide (Publ. 07/18) Sennheiser HD 569 No source recorded.	123 dB SPL at 1 kHz (ActiveGard off); 110 dB SPL at 1 kHz (ActiveGard on)	Not provided
Rated total harmonic distortionDifferent Sources Sennheiser HD 300 PROtect Manufacturer specification Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0)Sennheiser HD 300 PRO / PROtect — quick guide (Publ. 07/18) Sennheiser HD 569 Manufacturer specification Sennheiser HD 569 — official UK product page and specifications	<0.1% at 1 kHz, 94 dB SPL	<0.2% (1 kHz, 100 dB)
Rated power Sources Sennheiser HD 300 PROtect Manufacturer specification · The datasheet labels this 'Power rating'; the product page lists the same figure as 'Power consumption (Amp)'. Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0) Sennheiser HD 569 No source recorded.	500 mW	Not provided
Driver diameter Sources Sennheiser HD 300 PROtect No source recorded. Sennheiser HD 569 Manufacturer specification Sennheiser HD 569 — official UK product page and specifications	Not provided	38 mm

MicrophoneDifferent Sources Sennheiser HD 300 PROtect Manufacturer specification · Monitoring headphones; no microphone is listed in the specifications or package contents. Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0) Sennheiser HD 569 Manufacturer specification · In-line on the 1.2 m cable with a 1-button remote for calls; not on the 3 m cable. Sennheiser HD 569 — official UK product page and specifications Sennheiser US store — HD 569 product variant data (SKU and UPC)	No	Yes
Active noise cancellation Sources Sennheiser HD 300 PROtect Manufacturer specification · Attenuation is passive: the page lists 'Noise cancellation (db) Max 32 dB (passive)' and no battery. ActiveGard is a peak limiter, not noise cancellation. Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0) Sennheiser HD 569 Manufacturer specification · The specification table lists 'Active Noise Cancellation: False'; isolation is passive, from the closed-back ear cups. Sennheiser HD 569 — official UK product page and specifications	No	No
Ambient noise attenuation Sources Sennheiser HD 300 PROtect Manufacturer specification · Passive attenuation; not active noise cancellation. Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0) Sennheiser HD 569 No source recorded.	Up to 32 dB (passive)	Not provided
Microphone type Sources Sennheiser HD 300 PROtect No source recorded. Sennheiser HD 569 Manufacturer specification Sennheiser HD 569 — official UK product page and specifications	Not provided	In-line microphone with 1-button remote on the 1.2 m cable; omni-directional pick-up

Controls Sources Sennheiser HD 300 PROtect No source recorded. Sennheiser HD 569 Manufacturer specification Sennheiser HD 569 — official UK product page and specifications Sennheiser US store — HD 569 product variant data (SKU and UPC)	Not provided	1-button remote on the 1.2 m cable for managing calls

In the boxDifferent Sources Sennheiser HD 300 PROtect Manufacturer specification Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 569 Manufacturer specification Sennheiser HD 569 — official UK product page and specifications	HD 300 PROtect headphones, 1.5 m cable with 3.5 mm jack, 6.3 mm (1/4") stereo jack adapter, quick guide	HD 569 headset, 1.2 m cable with 1-button remote and 3.5 mm straight plug, 3 m cable with 6.3 mm straight plug

Operating temperature Sources Sennheiser HD 300 PROtect Manufacturer specification · Relative humidity up to 90%. Sennheiser HD 300 PROtect (article 506898) — official UK product page and technical data Sennheiser HD 300 PRO \| HD 300 PROtect — product specification sheet (EN, SP 1184 v1.0) Sennheiser HD 569 No source recorded.	−15 °C to +55 °C	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.