HEADPHONES · YOUR NEXT FACE-OFF

Google Pixel Buds Pro 2 vs Sennheiser HD 600

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

Compared products

YOUR FIRST CHOICE

Google Pixel Buds Pro 2

Hazel · UK

Full product profile Official image

Exact model & source notes

Pixel Buds Pro 2 are Google's noise-cancelling true wireless earbuds, built around the Tensor A1 chip in each earbud with Bluetooth 5.4 and an 11 mm driver. This record is the Hazel colour from the UK Google Store; Google rates the earbuds at up to 8 hours with ANC on and 30 hours with the wireless charging 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 Google Pixel Buds Pro 2 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

Google Pixel Buds Pro 2 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.

Google Pixel Buds Pro 2Not 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

Google Pixel Buds Pro 2Bluetooth 5.4 (each earbud); USB-C charging port and Qi-certified wireless charging on the case

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

Sources

Google Pixel Buds Pro 2

Manufacturer specification · Google states it pairs with any Bluetooth 4.0+ device; full feature access needs a Google Account, an Android 6.0+ companion phone and an internet connection. No audio codec list is published on the specification page.

Google Store (UK) — Pixel Buds Pro 2 Technical Specs

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

Google Pixel Buds Pro 2Custom-designed 11 mm dynamic driver (each earbud)

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

Sources

Google Pixel Buds Pro 2

Manufacturer specification

Google Store (UK) — Pixel Buds Pro 2 Technical Specs

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

Google Pixel Buds Pro 2In-ear, true wireless (eartips in four sizes)

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

Sources

Google Pixel Buds Pro 2

Manufacturer specification · Two separate earbuds with a wireless charging case; eartips in four size options (extra small, small, medium attached to the earbuds, large) are in the box. Google does not state the eartip material.

Google Store (UK) — Pixel Buds Pro 2 Technical Specs

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 (28)

Acoustic design

Google Pixel Buds Pro 2Not verified

Sennheiser HD 600Open-back

Sources

Google Pixel Buds Pro 2

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

Google Pixel Buds Pro 2Yes

Sennheiser HD 600Not verified

Sources

Google Pixel Buds Pro 2

Manufacturer specification · Active Noise Cancellation with Silent Seal 2.0, plus Transparency mode, active in-ear pressure relief and Conversation Detection.

Google Store (UK) — Pixel Buds Pro 2 Technical Specs

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

Google Pixel Buds Pro 2Yes

Sennheiser HD 600Not verified

Sources

Google Pixel Buds Pro 2

Manufacturer specification · Three microphones per earbud plus a voice accelerometer; Clear Calling and wind-blocking mesh covers.

Google Store (UK) — Pixel Buds Pro 2 Technical Specs

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

Google Pixel Buds Pro 2Earbuds: up to 8 hours with Active Noise Cancellation on, up to 12 hours with it off. With the charging case: up to 30 hours total with ANC on, up to 48 hours with ANC off. A 5-minute charge in the case gives up to 1.5 hours with ANC off.

Sennheiser HD 600Not verified

Sources

Google Pixel Buds Pro 2

Manufacturer specification · Google's stated listening-time ratings on the UK and US specification pages; the page gives no further test conditions.

Google Store (UK) — Pixel Buds Pro 2 Technical Specs Google Store (US) — Pixel Buds Pro 2 Technical Specs

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

Google Pixel Buds Pro 2Not verified

Sennheiser HD 600300 ohm

Sources

Google Pixel Buds Pro 2

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

Google Pixel Buds Pro 2Not verified

Sennheiser HD 600Not verified

Sources

Google Pixel Buds Pro 2

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.

Included and optional cables

Google Pixel Buds Pro 2Not verified

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

Sources

Google Pixel Buds Pro 2

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

Google Pixel Buds Pro 2Not verified

Sennheiser HD 6003 m

Sources

Google Pixel Buds Pro 2

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.

Case speaker for finding

Google Pixel Buds Pro 2Yes

Sennheiser HD 600Not verified

Sources

Google Pixel Buds Pro 2

Manufacturer specification · The case has a ringtone speaker for Google's Find Hub.

Google Store (UK) — Pixel Buds Pro 2 Technical Specs

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.

Headphone chip

Google Pixel Buds Pro 2Google Tensor A1 (each earbud)

Sennheiser HD 600Not verified

Sources

Google Pixel Buds Pro 2

Manufacturer specification

Google Store (UK) — Pixel Buds Pro 2 Technical Specs

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

Google Pixel Buds Pro 2Not verified

Sennheiser HD 600Conflicting evidence

Sources

Google Pixel Buds Pro 2

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

Google Pixel Buds Pro 2Not verified

Sennheiser HD 600Approximately 6.0 N ±1.0 N

Sources

Google Pixel Buds Pro 2

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

Google Pixel Buds Pro 2Capacitive touch (tap and swipe) for music, calls and voice assistant; IR proximity in-ear detection

Sennheiser HD 600Not verified

Sources

Google Pixel Buds Pro 2

Manufacturer specification

Google Store (UK) — Pixel Buds Pro 2 Technical Specs

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

Google Pixel Buds Pro 2Not verified

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

Sources

Google Pixel Buds Pro 2

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

Google Pixel Buds Pro 2Not verified

Sennheiser HD 600Velour ear pads; replaceable

Sources

Google Pixel Buds Pro 2

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.

Frequency equalisation

Google Pixel Buds Pro 2Not verified

Sennheiser HD 600Diffuse-field equalised

Sources

Google Pixel Buds Pro 2

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

Google Pixel Buds Pro 2Not verified

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

Sources

Google Pixel Buds Pro 2

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 long-term input power

Google Pixel Buds Pro 2Not verified

Sennheiser HD 6000.2 W under DIN 45580

Sources

Google Pixel Buds Pro 2

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.

Static magnetic field at the surface

Google Pixel Buds Pro 2Not verified

Sennheiser HD 6001.8 mT

Sources

Google Pixel Buds Pro 2

No source recorded for this side.

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

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

Operating temperature

Google Pixel Buds Pro 2Not verified

Sennheiser HD 600−10 °C to +55 °C

Sources

Google Pixel Buds Pro 2

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.

Security updates

Google Pixel Buds Pro 2Automatic security updates for at least three years

Sennheiser HD 600Not verified

Sources

Google Pixel Buds Pro 2

Manufacturer specification · Counted from when the device first became available on the Google Store in the US.

Google Store (UK) — Pixel Buds Pro 2 Technical Specs

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 sensitivity

Google Pixel Buds Pro 2Not verified

Sennheiser HD 60097 dB SPL at 1 kHz, 1 V rms

Sources

Google Pixel Buds Pro 2

No source recorded for this side.

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

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

Replaceable parts

Google Pixel Buds Pro 2Not verified

Sennheiser HD 600Detachable cable and replaceable ear pads

Sources

Google Pixel Buds Pro 2

No source recorded for this side.

Sennheiser HD 600

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

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

Google Pixel Buds Pro 2Not verified

Sennheiser HD 600Not verified

Sources

Google Pixel Buds Pro 2

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

Google Pixel Buds Pro 2Earbuds IP54; case IPX4

Sennheiser HD 600Not verified

Sources

Google Pixel Buds Pro 2

Manufacturer specification

Google Store (UK) — Pixel Buds Pro 2 Technical Specs

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

Google Pixel Buds Pro 24.7 g

Sennheiser HD 600Not verified

Sources

Google Pixel Buds Pro 2

Manufacturer specification · Each earbud with the medium eartip. The charging case weighs 65.0 g with the earbuds inside.

Google Store (UK) — Pixel Buds Pro 2 Technical Specs Google Store (US) — Pixel Buds Pro 2 Technical Specs

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

Google Pixel Buds Pro 2Conflicting evidence

Sennheiser HD 600Not verified

Sources

Google Pixel Buds Pro 2

Google's specification pages conflict on the earbud size. The UK page gives each earbud (with medium eartip) as 22.74 mm x 23.08 mm x 17.03 mm, while the US page gives 25.0 mm x 49.9 mm x 63.3 mm, which repeats the charging-case figures. Both pages give the charging case as 49.9 mm x 63.3 mm x 25.00 mm. The earbud dimension is left unresolved. · Manufacturer specification

Google Store (UK) — Pixel Buds Pro 2 Technical Specs Google Store (US) — Pixel Buds Pro 2 Technical Specs

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

Google Pixel Buds Pro 2Not verified

Sennheiser HD 600260 g

Sources

Google Pixel Buds Pro 2

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

Google Pixel Buds Pro 2

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

Google Pixel Buds Pro 2

What it brings

The case supports both USB-C and Qi-certified wireless charging and has a ringtone speaker for Find Hub, so a misplaced case can be located.
Manufacturer source
Each earbud carries three microphones, a voice accelerometer and wind-blocking mesh, alongside ANC with Silent Seal 2.0, Transparency mode and Conversation Detection.
Manufacturer source

What to check

Full feature access requires a Google Account and an Android 6.0 or newer phone; iPhones can pair over Bluetooth, but Google ties the complete feature set to Android.
Manufacturer source
Google's specification pages do not list supported audio codecs or multipoint connection, and the earbuds are rated IP54 while the case is only IPX4.
Manufacturer source 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

31 of 31 specifications Sources in each row

Source-backed specifications for Google Pixel Buds Pro 2 and Sennheiser HD 600
Specification	Google Pixel Buds Pro 2	Sennheiser HD 600

Wearing styleDifferent Sources Google Pixel Buds Pro 2 Manufacturer specification · Two separate earbuds with a wireless charging case; eartips in four size options (extra small, small, medium attached to the earbuds, large) are in the box. Google does not state the eartip material. Google Store (UK) — Pixel Buds Pro 2 Technical Specs Sennheiser HD 600 Manufacturer specification Sennheiser HD 600 — operating guide and specifications	In-ear, true wireless (eartips in four sizes)	Over-ear (circumaural), open-back dynamic headphones
Weight Sources Google Pixel Buds Pro 2 Manufacturer specification · Each earbud with the medium eartip. The charging case weighs 65.0 g with the earbuds inside. Google Store (UK) — Pixel Buds Pro 2 Technical Specs Google Store (US) — Pixel Buds Pro 2 Technical Specs Sennheiser HD 600 No source recorded.	4.7 g	Not provided
Dust, sweat and water resistance Sources Google Pixel Buds Pro 2 Manufacturer specification Google Store (UK) — Pixel Buds Pro 2 Technical Specs Sennheiser HD 600 No source recorded.	Earbuds IP54; case IPX4	Not provided
Weight Sources Google Pixel Buds Pro 2 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 Google Pixel Buds Pro 2 No source recorded. Sennheiser HD 600 Manufacturer specification Sennheiser HD 600 — operating guide and specifications	Not provided	Open-back
Replaceable parts Sources Google Pixel Buds Pro 2 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 Google Pixel Buds Pro 2 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 Google Pixel Buds Pro 2 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 Google Pixel Buds Pro 2 Manufacturer specification · Google states it pairs with any Bluetooth 4.0+ device; full feature access needs a Google Account, an Android 6.0+ companion phone and an internet connection. No audio codec list is published on the specification page. Google Store (UK) — Pixel Buds Pro 2 Technical Specs 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 5.4 (each earbud); USB-C charging port and Qi-certified wireless charging on the case	Wired analogue stereo; detachable 3 m cable and supplied adapter support 3.5 mm and 6.35 mm connections
Battery life Sources Google Pixel Buds Pro 2 Manufacturer specification · Google's stated listening-time ratings on the UK and US specification pages; the page gives no further test conditions. Google Store (UK) — Pixel Buds Pro 2 Technical Specs Google Store (US) — Pixel Buds Pro 2 Technical Specs 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	Earbuds: up to 8 hours with Active Noise Cancellation on, up to 12 hours with it off. With the charging case: up to 30 hours total with ANC on, up to 48 hours with ANC off. A 5-minute charge in the case gives up to 1.5 hours with ANC off.	Not listed by the manufacturer
Included cable length Sources Google Pixel Buds Pro 2 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 Google Pixel Buds Pro 2 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

Headphone chip Sources Google Pixel Buds Pro 2 Manufacturer specification Google Store (UK) — Pixel Buds Pro 2 Technical Specs Sennheiser HD 600 No source recorded.	Google Tensor A1 (each earbud)	Not provided
DriversDifferent Sources Google Pixel Buds Pro 2 Manufacturer specification Google Store (UK) — Pixel Buds Pro 2 Technical Specs 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	Custom-designed 11 mm dynamic driver (each earbud)	Open dynamic 42 mm driver with a 38 mm diaphragm and aluminium voice coils
Nominal impedance Sources Google Pixel Buds Pro 2 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 Google Pixel Buds Pro 2 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 Google Pixel Buds Pro 2 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 Google Pixel Buds Pro 2 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 Google Pixel Buds Pro 2 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 Google Pixel Buds Pro 2 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 Google Pixel Buds Pro 2 Manufacturer specification · Three microphones per earbud plus a voice accelerometer; Clear Calling and wind-blocking mesh covers. Google Store (UK) — Pixel Buds Pro 2 Technical Specs 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 Google Pixel Buds Pro 2 Manufacturer specification · Active Noise Cancellation with Silent Seal 2.0, plus Transparency mode, active in-ear pressure relief and Conversation Detection. Google Store (UK) — Pixel Buds Pro 2 Technical Specs 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

Earbud controls Sources Google Pixel Buds Pro 2 Manufacturer specification Google Store (UK) — Pixel Buds Pro 2 Technical Specs Sennheiser HD 600 No source recorded.	Capacitive touch (tap and swipe) for music, calls and voice assistant; IR proximity in-ear detection	Not provided
Case speaker for finding Sources Google Pixel Buds Pro 2 Manufacturer specification · The case has a ringtone speaker for Google's Find Hub. Google Store (UK) — Pixel Buds Pro 2 Technical Specs Sennheiser HD 600 No source recorded.	Yes	Not provided
Security updates Sources Google Pixel Buds Pro 2 Manufacturer specification · Counted from when the device first became available on the Google Store in the US. Google Store (UK) — Pixel Buds Pro 2 Technical Specs Sennheiser HD 600 No source recorded.	Automatic security updates for at least three years	Not provided

Static magnetic field at the surface Sources Google Pixel Buds Pro 2 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 Google Pixel Buds Pro 2 No source recorded. Sennheiser HD 600 Manufacturer specification Sennheiser HD 600 — operating guide and specifications	Not provided	−10 °C to +55 °C

Show unverified (4)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
Dimensions Sources Google Pixel Buds Pro 2 Google's specification pages conflict on the earbud size. The UK page gives each earbud (with medium eartip) as 22.74 mm x 23.08 mm x 17.03 mm, while the US page gives 25.0 mm x 49.9 mm x 63.3 mm, which repeats the charging-case figures. Both pages give the charging case as 49.9 mm x 63.3 mm x 25.00 mm. The earbud dimension is left unresolved. · Manufacturer specification Google Store (UK) — Pixel Buds Pro 2 Technical Specs Google Store (US) — Pixel Buds Pro 2 Technical Specs Sennheiser HD 600 No source recorded.	Conflicting sources	Not provided
Supplied plug configuration Sources Google Pixel Buds Pro 2 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 Google Pixel Buds Pro 2 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 Google Pixel Buds Pro 2 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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Google Pixel Buds 2a

Weight per earbud: 4.7 g
Wearing style: In-ear, true wireless (eartips in four sizes)
Wired / wireless connections: Bluetooth 5.4 (each earbud); USB-C charging port on the case

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Beyerdynamic MMX 330 PRO

Impedance: 48 Ω
Cable length: 2.5 m
Wearing style: Over-ear (circumaural), open-back wired gaming headset with boom microphone

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Sony INZONE H9 II

Cable length: 2 m
Wearing style: Closed over-ear dynamic gaming headset
Wired / wireless connections: 2.4 GHz USB-C transceiver, Bluetooth 5.3 Classic Audio or LE Audio, or supplied analogue headphone cable

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Sennheiser HD 800 S

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.