HEADPHONES · YOUR NEXT FACE-OFF

Samsung Galaxy Buds4 vs Sennheiser HD 600

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

Compared products

YOUR FIRST CHOICE

Samsung Galaxy Buds4

SM-R540NZKAEUB · Black · UK

Full product profile Official image

Exact model & source notes

Galaxy Buds4 (SM-R540NZKAEUB in black for the UK, SM-R540NZKAXAR in the US) are Samsung's open-type true wireless earbuds without ear tips (Samsung says the design does not seal the ear), with adaptive active noise cancellation, six microphones and Bluetooth 6.1 with LE Audio. Samsung rates them at up to 5 hours of music with ANC on and 24 hours with the case.

Specifications checked 26 Sept 2026.

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

Manufacturer specifications

WHICH SUITS YOU?

Choose the Samsung Galaxy Buds4 for

A wireless connection

Choose the Sennheiser HD 600 for

A wired connection

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

See the 3 verified differences

THE CONTENDER

Sennheiser HD 600

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

Full product profile Official image

Exact model & source notes

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

Specifications checked 11 Sept 2026.

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

Manufacturer specifications

Samsung Galaxy Buds4 UK & US retailers

UK & US price history: no verified listing yet

Sennheiser HD 600 UK & US retailers

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison

Manufacturer facts for the exact models shown. Not a quality rating or a test result.
“Different” means the known values differ, not that one is better.
Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.

FEATURES SIDE BY SIDE6 topics

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

SELECTED TOPIC

01 / 06

Open-back design

Open-back earcups are not sealed. Start here if your listening space is quiet; this construction is not a sound-quality rating.

Samsung Galaxy Buds4Not verified

Sennheiser HD 600Yes

Open-back. Manufacturer specification

Source 1

Choose your must-haves

Start with your listening environment. Open and closed earcups suit different surroundings. A closed back is not the same as active noise cancellation. Check the exact cable and headphone output. We do not turn impedance, driver size or unpaired lab results into a sound-quality score.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

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

Wired / wireless connections

Samsung Galaxy Buds4Bluetooth 6.1 (A2DP, AVRCP, HFP, PBP, TMAP; LE Audio); Charging Case can be charged wirelessly

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

Sources

Samsung Galaxy Buds4

Manufacturer specification · No USB Type-C cable is included and the wireless charging pad is sold separately; Samsung does not name the case's wired charging port on these pages. Charging power 2.5 to 4.5 W. Galaxy devices on One UI 8.0 or later use the phone's settings; earlier One UI and other Android phones use the Galaxy Wearable app (Android 12.0 or above, at least 1.5 GB memory). On non-Samsung Android with the app, Samsung lists HD Voice, 24-bit/96 kHz audio, 360 Audio, Bixby and Gemini voice wake-up, Interpreter/Live Translate, Head Gestures and Gaming Mode as unavailable; iOS devices and PCs connect over Bluetooth only (16-bit/44 kHz audio, standard call quality, ANC and Ambient mode).

Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table

Sennheiser HD 600

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

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

Check the exact configuration and source conditions for your use.

Drivers

Samsung Galaxy Buds411 mm wide-range speaker: 1-way dynamic driver with a single amplifier

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

Sources

Samsung Galaxy Buds4

Manufacturer specification

Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung UK — Galaxy Buds4 Pro (SM-R640NZKAEUB) specifications, used for comparison Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table

Sennheiser HD 600

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

Sennheiser HD 600 — exact model specifications

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

Wearing style

Samsung Galaxy Buds4Open-type true wireless earbuds (no ear tips; does not seal the ear)

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

Sources

Samsung Galaxy Buds4

Manufacturer specification · Samsung: 'Galaxy Buds4 do not have silicone ear tips. They feature a new open-type design that does not seal the ear, allowing for greater surround awareness.' The box holds the earbuds, the Charging Case and the Quick Start Guide; no USB Type-C cable is included.

Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table

Sennheiser HD 600

Manufacturer specification

Sennheiser HD 600 — operating guide and specifications

Check the exact configuration and source conditions for your use.

Missing or non-comparable evidence (36)

Acoustic design

Samsung Galaxy Buds4Not verified

Sennheiser HD 600Open-back

Sources

Samsung Galaxy Buds4

No source recorded for this side.

Sennheiser HD 600

Manufacturer specification

Sennheiser HD 600 — operating guide and specifications

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

Active noise cancellation

Samsung Galaxy Buds4Yes

Sennheiser HD 600Not verified

Sources

Samsung Galaxy Buds4

Manufacturer specification · Active Noise Cancellation, Adaptive ANC, Adaptive Noise Control and Ambient Sound. Samsung: Buds4 feature Adaptive ANC 1.0 based on pre-trained algorithms, while Adaptive ANC 2.0 with real-time processing is only on Galaxy Buds4 Pro. Adaptive Noise Control is off by default.

Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table

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

Samsung Galaxy Buds4Yes

Sennheiser HD 600Not verified

Sources

Samsung Galaxy Buds4

Manufacturer specification · Each earbud contains three microphones (six in total), plus a VPU (voice pick-up unit). Super Clear Call (HD Voice) isolates the voice with DNN processing and uses Super Wideband up to 16 kHz on listed Galaxy devices with One UI 6.1.1 or above; SWB may not be supported depending on the mobile network.

Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table

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

Samsung Galaxy Buds4Music playback: earbuds up to 5 hours with ANC on (up to 6 hours with ANC off); with the charging case up to 24 hours with ANC on (up to 30 hours with ANC off). Talk time: up to 3.5 hours (ANC on) / 4 hours (ANC off) per charge, 18 / 20 hours with the case.

Sennheiser HD 600Not verified

Sources

Samsung Galaxy Buds4

Manufacturer specification · Samsung's rated figures; actual battery life may vary with usage conditions, settings, number of charges, Bluetooth signal strength and other factors. Earbud battery 45 mAh, case 515 mAh (typical). The Samsung US comparison table gives the same 5.0/24 h (ANC on) and 6.0/30 h (ANC off) play times.

Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table

Sennheiser HD 600

The reviewed exact sources do not explicitly establish battery life or that no battery is required for operation. A wired/dynamic audio path, omitted charger or Battery included N is not an explicit operating-power requirement. · Manufacturer specification

Sennheiser HD 600 — operating guide and specifications

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

Nominal impedance

Samsung Galaxy Buds4Not verified

Sennheiser HD 600300 ohm

Sources

Samsung Galaxy Buds4

No source recorded for this side.

Sennheiser HD 600

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

Sennheiser HD 600 — operating guide and specifications

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

Published acoustic changes

Samsung Galaxy Buds4Not verified

Sennheiser HD 600Not verified

Sources

Samsung Galaxy Buds4

No source recorded for this side.

Sennheiser HD 600

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

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

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

Auracast

Samsung Galaxy Buds4Yes

Sennheiser HD 600Not verified

Sources

Samsung Galaxy Buds4

Manufacturer specification

Samsung UK — Galaxy Buds4 Pro (SM-R640NZKAEUB) specifications, used for comparison

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.

Auto Switch

Samsung Galaxy Buds4Yes

Sennheiser HD 600Not verified

Sources

Samsung Galaxy Buds4

Manufacturer specification · Moves audio between Samsung Galaxy devices: Galaxy Book with One UI 6.0 Book or later, Galaxy smartphones and Galaxy Tab with One UI 4.1.1 or later, and Galaxy Watch4 series or later, logged in to the same Samsung Account. With Samsung TVs (launched Feb 2022 or later, after a July 2022 firmware update) it only covers phone calls.

Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table

Sennheiser HD 600

No source recorded for this side.

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

Battery capacity

Samsung Galaxy Buds4Earbuds 45 mAh (typical); Charging Case 515 mAh (typical)

Sennheiser HD 600Not verified

Sources

Samsung Galaxy Buds4

Manufacturer specification

Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications

Sennheiser HD 600

No source recorded for this side.

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

Included and optional cables

Samsung Galaxy Buds4Not verified

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

Sources

Samsung Galaxy Buds4

No source recorded for this side.

Sennheiser HD 600

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

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

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

Included cable length

Samsung Galaxy Buds4Not verified

Sennheiser HD 6003 m

Sources

Samsung Galaxy Buds4

No source recorded for this side.

Sennheiser HD 600

Manufacturer specification · Length of the supplied cable.

Sennheiser HD 600 — operating guide and specifications

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

Bluetooth audio codecs

Samsung Galaxy Buds4AAC, SBC, SSC (Samsung Seamless Codec), SSC-UHQ (24-bit / 96 kHz), LC3

Sennheiser HD 600Not verified

Sources

Samsung Galaxy Buds4

Manufacturer specification · SSC-UHQ (24-bit / 96 kHz) is off by default and available on listed Galaxy S, Z and Tab devices with One UI 6.1.1 or above. LC3 is used over LE Audio, which the paired device must support.

Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table

Sennheiser HD 600

No source recorded for this side.

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

Supplied plug configuration

Samsung Galaxy Buds4Not verified

Sennheiser HD 600Conflicting evidence

Sources

Samsung Galaxy Buds4

No source recorded for this side.

Sennheiser HD 600

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

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

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

Rated contact pressure

Samsung Galaxy Buds4Not verified

Sennheiser HD 600Approximately 6.0 N ±1.0 N

Sources

Samsung Galaxy Buds4

No source recorded for this side.

Sennheiser HD 600

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

Sennheiser HD 600 — operating guide and specifications

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

Earbud controls

Samsung Galaxy Buds4Pinch Control: single pinch play/pause, answer or end a call; double pinch next track; triple pinch previous track; pinch and hold for the preset feature or to decline a call; swipe up or down for volume

Sennheiser HD 600Not verified

Sources

Samsung Galaxy Buds4

Manufacturer specification · Pinch and hold can be customised in the phone settings or the Wear app, where applicable. Samsung also lists Bixby Voice Wake-up (off by default).

Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table

Sennheiser HD 600

No source recorded for this side.

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

Rated total harmonic distortion

Samsung Galaxy Buds4Not verified

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

Sources

Samsung Galaxy Buds4

No source recorded for this side.

Sennheiser HD 600

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

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

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

Ear pads

Samsung Galaxy Buds4Not verified

Sennheiser HD 600Velour ear pads; replaceable

Sources

Samsung Galaxy Buds4

No source recorded for this side.

Sennheiser HD 600

Manufacturer specification · Replacement procedure shown in the manual.

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

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

Equaliser

Samsung Galaxy Buds49-band equaliser; Adaptive EQ adapts sound to ear shape and wearing style; Volume EQ

Sennheiser HD 600Not verified

Sources

Samsung Galaxy Buds4

Manufacturer specification

Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung UK — Galaxy Buds4 Pro (SM-R640NZKAEUB) specifications, used for comparison

Sennheiser HD 600

No source recorded for this side.

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

Frequency equalisation

Samsung Galaxy Buds4Not verified

Sennheiser HD 600Diffuse-field equalised

Sources

Samsung Galaxy Buds4

No source recorded for this side.

Sennheiser HD 600

Manufacturer specification

Sennheiser HD 600 — operating guide and specifications

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

Rated frequency range

Samsung Galaxy Buds4Not verified

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

Sources

Samsung Galaxy Buds4

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.

Galaxy AI features

Samsung Galaxy Buds4Interpreter and Live Translate with compatible Samsung Galaxy devices

Sennheiser HD 600Not verified

Sources

Samsung Galaxy Buds4

Manufacturer specification · Interpreter needs a smartphone with Galaxy AI features on One UI 6.1.1 or later; availability varies by device model, and a Samsung Account login may be required.

Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table

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.

Samsung Galaxy Buds4360 Audio with head tracking

Sennheiser HD 600Not verified

Sources

Samsung Galaxy Buds4

Manufacturer specification · Only available on Samsung Galaxy smartphones and Galaxy Tab devices with One UI 3.1 or later and selected Samsung TV models; support for 360 Audio and head tracking may vary by application and content. Not available on non-Samsung Android, iOS or PCs.

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.

Manufacturer sub-bass claim

Samsung Galaxy Buds4Not verified

Sennheiser HD 600Not verified

Sources

Samsung Galaxy Buds4

No source recorded for this side.

Sennheiser HD 600

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

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

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

Dust, sweat and water resistance

Samsung Galaxy Buds4IP54 (earbuds only; the charging case is not rated)

Sennheiser HD 600Not verified

Sources

Samsung Galaxy Buds4

Manufacturer specification · Samsung (US): 'only earbuds are IP54 rated for water resistance'; IP54 is described as protection against dust and water splashes.

Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table

Sennheiser HD 600

No source recorded for this side.

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

Weight per earbud

Samsung Galaxy Buds44.6 g

Sennheiser HD 600Not verified

Sources

Samsung Galaxy Buds4

Manufacturer specification · Each earbud (30.5 x 18.3 x 19.3 mm). The charging case weighs 45.1 g (51 x 28.3 x 51 mm).

Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications

Sennheiser HD 600

No source recorded for this side.

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

Dimensions

Samsung Galaxy Buds4Each earbud (H x W x D): 30.5 x 18.3 x 19.3 mm; Charging Case: 51 x 28.3 x 51 mm

Sennheiser HD 600Not verified

Sources

Samsung Galaxy Buds4

Manufacturer specification

Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications

Sennheiser HD 600

No source recorded for this side.

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

Weight

Samsung Galaxy Buds4Not verified

Sennheiser HD 600260 g

Sources

Samsung Galaxy Buds4

No source recorded for this side.

Sennheiser HD 600

Manufacturer specification · Approximate, without the cable.

Sennheiser HD 600 — operating guide and specifications

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

0 shared fields have the same recorded value.

YOUR HEADPHONES. YOUR RULES.

Check against your must-haves

Feature matching for the features you select. It doesn’t rate sound or comfort.

Start with your listening setup.

Choose a starting point, then fine-tune your must-haves.

FINE-TUNE THE DETAILS

Your essentials.

These shortcuts select the features shown above. Check the fit against your own equipment and listening space.

A feature match describes the selected requirements. It doesn’t rate sound or comfort.

Open-back designFor a quiet listening spaceClosed-back designAn enclosed outer earcupDetachable cableUnplug the cable at the headphonesBuilt-in microphoneFor calls and voice chatActive noise cancellationNot the same as a closed back

YOUR CHOICE

Samsung Galaxy Buds4

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

Samsung Galaxy Buds4

What it brings

At 4.6 g per earbud they are lighter than Galaxy Buds4 Pro (5.1 g) and keep Bluetooth 6.1, LE Audio and SSC-UHQ codec support; their Adaptive ANC is Samsung's version 1.0 (pre-trained algorithms), while the Pro has Adaptive ANC 2.0 with real-time processing.
Manufacturer source Manufacturer source Manufacturer source
Rated for up to 30 hours of total music playback with ANC off, and the case can be charged wirelessly.
Manufacturer source

What to check

No ear tips are supplied: Samsung describes an open-type design that does not seal the ear. Samsung lists a 1-way driver with a single amplifier and an IP54 rating, against the Pro's 2-way speaker and IP57.
Manufacturer source Manufacturer source Manufacturer source
The Galaxy Wearable app is not supported on iOS, and neither a USB-C cable nor a wireless charging pad is included.
Manufacturer source

Sennheiser HD 600

What it brings

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

What to check

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

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

39 of 39 specifications Sources in each row

Source-backed specifications for Samsung Galaxy Buds4 and Sennheiser HD 600
Specification	Samsung Galaxy Buds4	Sennheiser HD 600

Wearing styleDifferent Sources Samsung Galaxy Buds4 Manufacturer specification · Samsung: 'Galaxy Buds4 do not have silicone ear tips. They feature a new open-type design that does not seal the ear, allowing for greater surround awareness.' The box holds the earbuds, the Charging Case and the Quick Start Guide; no USB Type-C cable is included. Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table Sennheiser HD 600 Manufacturer specification Sennheiser HD 600 — operating guide and specifications	Open-type true wireless earbuds (no ear tips; does not seal the ear)	Over-ear (circumaural), open-back dynamic headphones
Weight per earbud Sources Samsung Galaxy Buds4 Manufacturer specification · Each earbud (30.5 x 18.3 x 19.3 mm). The charging case weighs 45.1 g (51 x 28.3 x 51 mm). Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Sennheiser HD 600 No source recorded.	4.6 g	Not provided
Dimensions Sources Samsung Galaxy Buds4 Manufacturer specification Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Sennheiser HD 600 No source recorded.	Each earbud (H x W x D): 30.5 x 18.3 x 19.3 mm; Charging Case: 51 x 28.3 x 51 mm	Not provided
Dust, sweat and water resistance Sources Samsung Galaxy Buds4 Manufacturer specification · Samsung (US): 'only earbuds are IP54 rated for water resistance'; IP54 is described as protection against dust and water splashes. Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table Sennheiser HD 600 No source recorded.	IP54 (earbuds only; the charging case is not rated)	Not provided
Weight Sources Samsung Galaxy Buds4 No source recorded. Sennheiser HD 600 Manufacturer specification · Approximate, without the cable. Sennheiser HD 600 — operating guide and specifications	Not provided	260 g
Acoustic design Sources Samsung Galaxy Buds4 No source recorded. Sennheiser HD 600 Manufacturer specification Sennheiser HD 600 — operating guide and specifications	Not provided	Open-back
Replaceable parts Sources Samsung Galaxy Buds4 No source recorded. Sennheiser HD 600 Manufacturer specification · Replacement procedures are in the manual; spare-part availability varies. Sennheiser HD 600 — operating guide and specifications	Not provided	Detachable cable and replaceable ear pads
Ear pads Sources Samsung Galaxy Buds4 No source recorded. Sennheiser HD 600 Manufacturer specification · Replacement procedure shown in the manual. Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications	Not provided	Velour ear pads; replaceable
Rated contact pressure Sources Samsung Galaxy Buds4 No source recorded. Sennheiser HD 600 Manufacturer specification · Nominal clamping force; individual fit and comfort can differ. Sennheiser HD 600 — operating guide and specifications	Not provided	Approximately 6.0 N ±1.0 N

Wired / wireless connectionsDifferent Sources Samsung Galaxy Buds4 Manufacturer specification · No USB Type-C cable is included and the wireless charging pad is sold separately; Samsung does not name the case's wired charging port on these pages. Charging power 2.5 to 4.5 W. Galaxy devices on One UI 8.0 or later use the phone's settings; earlier One UI and other Android phones use the Galaxy Wearable app (Android 12.0 or above, at least 1.5 GB memory). On non-Samsung Android with the app, Samsung lists HD Voice, 24-bit/96 kHz audio, 360 Audio, Bixby and Gemini voice wake-up, Interpreter/Live Translate, Head Gestures and Gaming Mode as unavailable; iOS devices and PCs connect over Bluetooth only (16-bit/44 kHz audio, standard call quality, ANC and Ambient mode). Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table Sennheiser HD 600 Manufacturer specification · Sennheiser's manual and UK page disagree on which plug is native; see Supplied plug configuration. Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications	Bluetooth 6.1 (A2DP, AVRCP, HFP, PBP, TMAP; LE Audio); Charging Case can be charged wirelessly	Wired analogue stereo; detachable 3 m cable and supplied adapter support 3.5 mm and 6.35 mm connections
Battery life Sources Samsung Galaxy Buds4 Manufacturer specification · Samsung's rated figures; actual battery life may vary with usage conditions, settings, number of charges, Bluetooth signal strength and other factors. Earbud battery 45 mAh, case 515 mAh (typical). The Samsung US comparison table gives the same 5.0/24 h (ANC on) and 6.0/30 h (ANC off) play times. Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table 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	Music playback: earbuds up to 5 hours with ANC on (up to 6 hours with ANC off); with the charging case up to 24 hours with ANC on (up to 30 hours with ANC off). Talk time: up to 3.5 hours (ANC on) / 4 hours (ANC off) per charge, 18 / 20 hours with the case.	Not listed by the manufacturer
Battery capacity Sources Samsung Galaxy Buds4 Manufacturer specification Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Sennheiser HD 600 No source recorded.	Earbuds 45 mAh (typical); Charging Case 515 mAh (typical)	Not provided
Bluetooth audio codecs Sources Samsung Galaxy Buds4 Manufacturer specification · SSC-UHQ (24-bit / 96 kHz) is off by default and available on listed Galaxy S, Z and Tab devices with One UI 6.1.1 or above. LC3 is used over LE Audio, which the paired device must support. Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table Sennheiser HD 600 No source recorded.	AAC, SBC, SSC (Samsung Seamless Codec), SSC-UHQ (24-bit / 96 kHz), LC3	Not provided
Auto Switch Sources Samsung Galaxy Buds4 Manufacturer specification · Moves audio between Samsung Galaxy devices: Galaxy Book with One UI 6.0 Book or later, Galaxy smartphones and Galaxy Tab with One UI 4.1.1 or later, and Galaxy Watch4 series or later, logged in to the same Samsung Account. With Samsung TVs (launched Feb 2022 or later, after a July 2022 firmware update) it only covers phone calls. Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table Sennheiser HD 600 No source recorded.	Yes	Not provided
Auracast Sources Samsung Galaxy Buds4 Manufacturer specification Samsung UK — Galaxy Buds4 Pro (SM-R640NZKAEUB) specifications, used for comparison Sennheiser HD 600 No source recorded.	Yes	Not provided
Included cable length Sources Samsung Galaxy Buds4 No source recorded. Sennheiser HD 600 Manufacturer specification · Length of the supplied cable. Sennheiser HD 600 — operating guide and specifications	Not provided	3 m
Included and optional cables Sources Samsung Galaxy Buds4 No source recorded. Sennheiser HD 600 Manufacturer specification · Optional cables are sold separately; balanced cables need a balanced headphone output. Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications	Not provided	Detachable 3 m unbalanced cable included; 4.4 mm and XLR-4 balanced cables optional

DriversDifferent Sources Samsung Galaxy Buds4 Manufacturer specification Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung UK — Galaxy Buds4 Pro (SM-R640NZKAEUB) specifications, used for comparison Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table 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	11 mm wide-range speaker: 1-way dynamic driver with a single amplifier	Open dynamic 42 mm driver with a 38 mm diaphragm and aluminium voice coils
Spatial audio Sources Samsung Galaxy Buds4 Manufacturer specification · Only available on Samsung Galaxy smartphones and Galaxy Tab devices with One UI 3.1 or later and selected Samsung TV models; support for 360 Audio and head tracking may vary by application and content. Not available on non-Samsung Android, iOS or PCs. Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung UK — Galaxy Buds4 Pro (SM-R640NZKAEUB) specifications, used for comparison Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table Sennheiser HD 600 No source recorded.	360 Audio with head tracking	Not provided
Equaliser Sources Samsung Galaxy Buds4 Manufacturer specification Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung UK — Galaxy Buds4 Pro (SM-R640NZKAEUB) specifications, used for comparison Sennheiser HD 600 No source recorded.	9-band equaliser; Adaptive EQ adapts sound to ear shape and wearing style; Volume EQ	Not provided
Nominal impedance Sources Samsung Galaxy Buds4 No source recorded. Sennheiser HD 600 Manufacturer specification · Nominal impedance; check that your amplifier or audio source can drive this load. Sennheiser HD 600 — operating guide and specifications	Not provided	300 ohm
Rated frequency range Sources Samsung Galaxy Buds4 No source recorded. Sennheiser HD 600 Manufacturer specification Sennheiser HD 600 — operating guide and specifications	Not provided	12–40,500 Hz (−10 dB)
Rated sensitivity Sources Samsung Galaxy Buds4 No source recorded. Sennheiser HD 600 Manufacturer specification · Rated at 1 kHz with 1 V rms; not directly comparable with dB/mW ratings. Sennheiser HD 600 — operating guide and specifications	Not provided	97 dB SPL at 1 kHz, 1 V rms
Frequency equalisation Sources Samsung Galaxy Buds4 No source recorded. Sennheiser HD 600 Manufacturer specification Sennheiser HD 600 — operating guide and specifications	Not provided	Diffuse-field equalised
Rated total harmonic distortion Sources Samsung Galaxy Buds4 No source recorded. Sennheiser HD 600 Manufacturer specification · Rated to DIN 45500; other models use different test levels, so compare with care. Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications	Not provided	≤0.1% at 1 kHz, 1 V rms (DIN 45500)
Rated long-term input power Sources Samsung Galaxy Buds4 No source recorded. Sennheiser HD 600 Manufacturer specification · Rated to DIN 45580; the maximum input the headphones can handle, not the amplifier power they need. Sennheiser HD 600 — operating guide and specifications	Not provided	0.2 W under DIN 45580

Microphone Sources Samsung Galaxy Buds4 Manufacturer specification · Each earbud contains three microphones (six in total), plus a VPU (voice pick-up unit). Super Clear Call (HD Voice) isolates the voice with DNN processing and uses Super Wideband up to 16 kHz on listed Galaxy devices with One UI 6.1.1 or above; SWB may not be supported depending on the mobile network. Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table Sennheiser HD 600 The reviewed exact sources do not explicitly establish microphone absence. Omission from a package or technical inventory, a stereo audio connector, and a without-remote statement do not establish microphone=false. · Manufacturer specification Sennheiser HD 600 — operating guide and specifications	Yes	Not listed by the manufacturer
Active noise cancellation Sources Samsung Galaxy Buds4 Manufacturer specification · Active Noise Cancellation, Adaptive ANC, Adaptive Noise Control and Ambient Sound. Samsung: Buds4 feature Adaptive ANC 1.0 based on pre-trained algorithms, while Adaptive ANC 2.0 with real-time processing is only on Galaxy Buds4 Pro. Adaptive Noise Control is off by default. Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table Sennheiser HD 600 The reviewed exact sources do not explicitly establish active noise cancellation absence. Preserve separately sourced acoustic design and passive attenuation; they cannot turn omitted ANC into a false capability. · Manufacturer specification Sennheiser HD 600 — operating guide and specifications	Yes	Not listed by the manufacturer

Sensors Sources Samsung Galaxy Buds4 Manufacturer specification Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Sennheiser HD 600 No source recorded.	Accelerometer, gyro sensor, Hall sensor, pressure sensor, proximity sensor, touch sensor, VPU (voice pickup unit)	Not provided
Head gestures Sources Samsung Galaxy Buds4 Manufacturer specification · Off by default; set in the phone settings of paired Galaxy devices running One UI 8.5 and later. Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung UK — Galaxy Buds4 Pro (SM-R640NZKAEUB) specifications, used for comparison Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table Sennheiser HD 600 No source recorded.	Head nod/shake for incoming calls and Bixby	Not provided
Earbud controls Sources Samsung Galaxy Buds4 Manufacturer specification · Pinch and hold can be customised in the phone settings or the Wear app, where applicable. Samsung also lists Bixby Voice Wake-up (off by default). Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table Sennheiser HD 600 No source recorded.	Pinch Control: single pinch play/pause, answer or end a call; double pinch next track; triple pinch previous track; pinch and hold for the preset feature or to decline a call; swipe up or down for volume	Not provided
Galaxy AI features Sources Samsung Galaxy Buds4 Manufacturer specification · Interpreter needs a smartphone with Galaxy AI features on One UI 6.1.1 or later; availability varies by device model, and a Samsung Account login may be required. Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Samsung US — Galaxy Buds4 page with Galaxy Buds comparison table Sennheiser HD 600 No source recorded.	Interpreter and Live Translate with compatible Samsung Galaxy devices	Not provided
Samsung Find Sources Samsung Galaxy Buds4 Manufacturer specification Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Sennheiser HD 600 No source recorded.	Yes	Not provided
Neck Stretch Reminder Sources Samsung Galaxy Buds4 Manufacturer specification Samsung UK — Galaxy Buds4, Black (SM-R540NZKAEUB): product page and specifications Sennheiser HD 600 No source recorded.	Yes	Not provided

Static magnetic field at the surface Sources Samsung Galaxy Buds4 No source recorded. Sennheiser HD 600 Manufacturer specification · Static magnetic field at the headphone surface. Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications	Not provided	1.8 mT
Operating temperature Sources Samsung Galaxy Buds4 No source recorded. Sennheiser HD 600 Manufacturer specification Sennheiser HD 600 — operating guide and specifications	Not provided	−10 °C to +55 °C

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

Specifications without verified values for either product
Supplied plug configuration Sources Samsung Galaxy Buds4 No source recorded. Sennheiser HD 600 Sennheiser's manual and UK specification table list a 3.5 mm plug with a 6.35 mm adapter, while the UK page's connection text describes a 6.3 mm plug with a 3.5 mm adapter. Check the listing for the supplied plug. · Manufacturer specification · Needs a matching headphone output; the 4.4 mm balanced cable needs a balanced output. Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications	Not provided	Conflicting sources
Published acoustic changes Sources Samsung Galaxy Buds4 No source recorded. Sennheiser HD 600 Sennheiser does not describe an acoustic revision for the HD 600. · Manufacturer specification Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications	Not provided	Not listed by the manufacturer
Manufacturer sub-bass claim Sources Samsung Galaxy Buds4 No source recorded. Sennheiser HD 600 Sennheiser makes no sub-bass claim for the HD 600. · Manufacturer specification Sennheiser HD 600 — exact model specifications Sennheiser HD 600 — operating guide and specifications	Not provided	Not listed by the manufacturer

First product manufacturer source Second product manufacturer source

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Wearing style: In-ear, true wireless (silicone ear tips, S/M/L supplied)
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Impedance: 300 Ω
Cable length: 3 m
Wearing style: Over-ear (circumaural), open-back dynamic headphones

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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.