Bose QuietComfort Ultra Headphones Wireless vs Bowers & Wilkins Px7 S3: Which Headphones Are Better?

Tested using Methodology v2.0

Updated Jan 12, 2026 09:41 PM

This review is in Early access

See Bose QuietComfort Ultra Headphones Wireless Review

Bose QuietComfort Ultra Headphones Wireless Picture

TypeOver-ear

Noise CancellingYes

EnclosureClosed-Back

Bass Amount Slightly Emphasized (2 dB)

WirelessYes

TransducerDynamic

Treble Amount Balanced (-1 dB)

MicYes

Sound Signature Warm

TypeLocked

Noise CancellingLocked

EnclosureLocked

Bass Amount Locked

WirelessLocked

TransducerLocked

Treble Amount Locked

MicLocked

Sound Signature Locked

Our Verdict

Bose QuietComfort Ultra Headphones Wireless

Bowers & Wilkins Px7 S3

Full comparison details regarding individual product score sets can be found in the section below

Variants

QuietComfort Ultra Headphones (Black)
QuietComfort Ultra Headphones (Deep Plum)
QuietComfort Ultra Headphones (Diamond 60th Edition)
QuietComfort Ultra Headphones (Lunar Blue)
QuietComfort Ultra Headphones (Sandstone)
QuietComfort Ultra Headphones (White Smoke)

Px7 S3 (Anthracite Black)
Px7 S3 (Canvas White)
Px7 S3 (Frost Blue)
Px7 S3 (Indigo Blue)

Review

See Bowers & Wilkins Px7 S3 Review

114

Check Price

Black

QuietComfort Ultra Headphones

Anthracite Black

Px7 S3

Deep Plum

QuietComfort Ultra Headphones

Canvas White

Px7 S3

Diamond 60th Edition

QuietComfort Ultra Headphones

Frost Blue

Px7 S3

Lunar Blue

QuietComfort Ultra Headphones

Indigo Blue

Px7 S3

Sandstone

QuietComfort Ultra Headphones

White Smoke

QuietComfort Ultra Headphones

Main Differences for

Sports And Fitness

Threshold

0.10

Sports And Fitness

7.4

0.0

No major differences between these headphones for sports and fitness. See full list of tests below.

Full Comparison

Sports And Fitness

7.4

0.0

Travel

8.2

0.0

Office Work

8.0

0.0

Wireless Gaming (In Development)

6.3

0.0

Wired Gaming (In Development)

7.4

0.0

Audio Reproduction Accuracy

6.9

0.0

Noise Isolation

9.3

0.0

Microphone (In Development)

7.1

0.0

Frequency Response Consistency

7.0

0.0

Sound

Sound Profile

SAMPLE

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Normalization Frequency

950 Hz

Lock Hz

Bass Amount

Slightly Emphasized (2 dB)

Locked

Treble Amount

Balanced (-1 dB)

Locked

Sound Signature

Warm

Locked

Show Text

Frequency Response Consistency

7.0

N/A

Consistency L

SAMPLE

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Consistency R

SAMPLE

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Std. Deviation

1.09 dB

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Raw Frequency Response

Raw FR L

SAMPLE

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Raw FR R

SAMPLE

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Bass Profile: Target Compliance

8.9

N/A

Bass Profile: Target Compliance

SAMPLE

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RMS Deviation From Target

3.1 dB

Lock dB

Low-Frequency Extension

20 Hz

Lock Hz

Low Bass

3.49 dB

Lock dB

Mid Bass

3.7 dB

Lock dB

High Bass

-0.13 dB

Lock dB

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Mid-Range Profile: Target Compliance

9.4

N/A

Mid-Range Profile: Target Compliance

SAMPLE

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RMS Deviation From Target

1.03 dB

Lock dB

Low Mid

0.45 dB

Lock dB

Mid-Mid

0.66 dB

Lock dB

High Mid

-1.05 dB

Lock dB

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Treble Profile: Target Compliance

9.8

N/A

Treble Profile: Target Compliance

SAMPLE

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RMS Deviation From Target

1.59 dB

Lock dB

Low Treble

-0.52 dB

Lock dB

Mid Treble

-1.4 dB

Lock dB

High Treble

-6 dB

Lock dB

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Peaks/Dips

8.1

N/A

Peaks/Dips Graph

SAMPLE

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Peaks

1.13 dB

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Dips

1.29 dB

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Stereo Mismatch

6.9

N/A

Frequency Response Mismatch

SAMPLE

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Phase Response Mismatch

SAMPLE

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Weighted Amplitude Mismatch

0.58 dB

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Weighted Frequency Response Mismatch

1.41 dB

Lock dB

Weighted Phase Mismatch

2.6°

Lock°

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Group Delay

1.2

N/A

Group Delay

SAMPLE

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Weighted Group Delay

3.6 ms

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Cumulative Spectral Decay

CSD

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Bose QuietComfort Ultra Headphones Wireless CSD

SAMPLE

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PRTF

5.3

N/A

PRTF

SAMPLE

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PRTF Accuracy (RMS Deviation)

6.19 dB

Lock dB

PRTF Size (Avg.)

6.67 dB

Lock dB

PRTF Distance

9.17 dB

Lock dB

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Harmonic Distortion

8.4

N/A

Harmonics Levels

SAMPLE

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THD Ratio

SAMPLE

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WHD @ 94 dB SPL

0.15%

Lock%

WHD @ 104 dB SPL

0.40%

Lock%

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Electrical Aspects

Impedance

SAMPLE

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Sensitivity @1kHz-1V

N/A

Bluetooth Max SPL

100.3 dB

Lock dB

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Virtual Soundstage

3.3

N/A

Virtual Soundstage

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SAMPLE

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Head Modeling

Locked

Speaker Modeling

On/Off

Locked

Room Ambience

Locked

Head Tracking

Adjustable

Locked

Virtual Surround

Locked

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Test Settings

Firmware

1.6.7+g6ebabd2

Locked

Power

Locked

Connection

Bluetooth

Locked

Codec

SBC, 16-bit, 44.1kHz

Locked

Test Instrument

Audio Precision APx517B

Locked

EQ

No EQ

Locked

ANC

Quiet

Locked

Tip/Pad

Default

Locked

Microphone

Integrated

Locked

Show Text

Design

Style

Design Picture 2

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SAMPLE

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Type

Over-ear

Locked

Enclosure

Closed-Back

Locked

Wireless

Yes

Locked

Transducer

Dynamic

Locked

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Comfort

8.5

N/A

Comfort Picture

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SAMPLE

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Weight

0.56 lbs

Lock lbs

Clamping Force

0.8 lbs

Lock lbs

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Controls

7.6

N/A

Controls Picture

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SAMPLE

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OS Compatibility

Not OS specific

Locked

Ease Of Use

Decent

Locked

Feedback

Good

Locked

Call/Music Control

Yes

Locked

Volume Control

Yes

Locked

Microphone Control

Locked

Channel Mixing

Locked

Noise Cancelling Control

Presets

Locked

Talk-Through

On/Off

Locked

Additional Controls

Voice Assistant

Locked

Show Text

Portability

6.4

N/A

Portability Picture

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SAMPLE

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L

7.5" (19.0 cm)

Lock" (Lock cm)

W

5.9" (14.9 cm)

Lock" (Lock cm)

H

1.5" (3.8 cm)

Lock" (Lock cm)

Volume

65.65 in³ (1,075.78 cm³)

Lock in³ (Lock cm³)

Transmitter Required

Locked

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Case

8.0

N/A

Case Picture

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SAMPLE

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Type

Hard case

Locked

L

8.3" (21.1 cm)

Lock" (Lock cm)

W

6.1" (15.4 cm)

Lock" (Lock cm)

H

2.1" (5.4 cm)

Lock" (Lock cm)

Volume

107.08 in³ (1,754.68 cm³)

Lock in³ (Lock cm³)

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Build Quality

8.0

N/A

Build Quality Picture

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SAMPLE

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Show Text

Stability

7.0

N/A

Stability Picture

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SAMPLE

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Show Text

Headshots 1

Angled Picture

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SAMPLE

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Side Picture

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SAMPLE

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Headshots 2

Front Picture

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SAMPLE

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Rear Picture

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SAMPLE

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Top

Top Picture

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SAMPLE

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In The Box

In The Box Picture

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SAMPLE

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Show Text

Isolation

Noise Isolation - Full Range

9.5

N/A

Noise Isolation - Full Range Graph

SAMPLE

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Noise Cancelling

Yes

Locked

Overall Attenuation

-27.00 dB

Lock dB

Bass

-20.79 dB

Lock dB

Mid

-29.81 dB

Lock dB

Treble

-31.42 dB

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Noise Isolation - Common Scenarios

9.5

N/A

Noise Isolation - Common Scenarios Graph

SAMPLE

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Airplane Noise Attenuation

-22.12 dB

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Airplane Noise Isolation Audio

Office Noise Attenuation

-21.71 dB

Lock dB

Office Noise Isolation Audio

Street Noise Attenuation

-24.15 dB

Lock dB

Street Noise Isolation Audio

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Noise Isolation - Voice Handling

ANC Wind Handling

ANC Wind Handling Graph

SAMPLE

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ANC Wind Noise

Show Text

Leakage

7.3

N/A

Leakage

SAMPLE

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Leakage Audio

Overall Leakage @ 1ft

37.83 dB

Lock dB

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Microphone

Microphone Style

Integrated

Yes

Locked

In-Line

Locked

Boom

Locked

Detachable Boom

Locked

Mic

Yes

Locked

Recording Quality

7.8

N/A

Microphone Frequency Response

SAMPLE

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Recorded Speech

LFE

281 Hz

Lock Hz

FR Std. Dev.

2.3 dB

Lock dB

HFE

6,088.74 Hz

Lock Hz

Weighted THD

0.055

N/A

Gain

33.39 dB

Lock dB

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Noise Handling

6.5

N/A

SpNR

SAMPLE

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SpNR

22.71 dB

Lock dB

Noise Gate

Locked

Speech + Pink Noise Handling

6.5

0.0

Speech + Pink Noise Audio Sample

Speech + Subway Noise Handling

6.5

0.0

Speech + Subway Noise Audio Sample

Show Text

Active Features

Battery

8.2

N/A

Battery Type

Rechargable

Locked

Continuous Battery Life

29 hrs

Lock hrs

Additional Charges

0.0

Lock

Total Battery Life

29 hrs

Lock hrs

Charge Time

2.3 hrs

Lock hrs

Power-Saving Feature

Auto-Off Timer and Standby Mode

Locked

Audio While Charging

Locked

Passive Playback

Locked

Charging Port

USB-C

Locked

Show Text

App Support

8.0

N/A

App Picture

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SAMPLE

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App Name

Bose Music

Locked

iOS

Yes

Locked

Android

Yes

Locked

macOS

Locked

Windows

Locked

Equalizer

Graphic + Presets

Locked

ANC Control

Presets

Locked

Mic Control

Locked

Room Effects

Yes

Locked

Playback Control

Yes

Locked

Button Mapping

Yes

Locked

Surround Support

Locked

Show Text

Connectivity

Wired Connection

6.6

N/A

Cable Picture

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SAMPLE

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Analog Audio

Yes

Locked

USB Audio

Locked

Detachable

Yes

Locked

Length

3.28 ft (1.00 m)

Lock ft (Lock m)

Connector

1/16" TRS

Locked

Latency - Analog

35.0 ms

Lock ms

Latency - USB

N/A

Lock ms

Recorded Latency

Recorded Latency Connection

Analog

Locked

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Bluetooth Connection

7.5

N/A

Bluetooth Version

5.3

Locked

Multi-Device Pairing

2 Devices

Locked

Quick Pair (Android)

Locked

Quick Pair (iOS)

Locked

Line Of Sight Range

334.65 ft (102.00 m)

Lock ft (Lock m)

Latency - SBC

292 ms

Lock ms

Latency - aptX

N/A

Lock ms

Latency - aptX Adaptive (High Quality)

372 ms

Lock ms

Latency - aptX Adaptive (Low Latency)

85 ms

Lock ms

Latency - LDAC

N/A

Recorded Latency

Recorded Latency Codec

aptX Adaptive (Low Latency)

Locked

AAC Support

Yes

Locked

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Wireless Connection (Dongle)

0.0

N/A

Line Of Sight Range

N/A

Latency - Dongle

N/A

Recorded Latency

N/A

PC Compatibility

Analog

Audio Only

Locked

Wired USB

Locked

Non-BT Wireless

Locked

Show Text

PlayStation Compatibility

PS4 Analog

Audio Only

Locked

PS4 Wired USB

Locked

PS4 Non-BT Wireless

Locked

PS5 Analog

Audio Only

Locked

PS5 Wired USB

Locked

PS5 Non-BT Wireless

Locked

Show Text

Xbox Compatibility

Xbox One Analog

Audio Only

Locked

Xbox One Wired USB

Locked

Xbox One Non-BT Wireless

Locked

Xbox Series X|S Analog

Audio Only

Locked

Xbox Series X|S Wired USB

Locked

Xbox Series X|S Non-BT Wireless

Locked

Show Text

Base/Dock

0.0

N/A

Type

No Base/Dock

Locked

USB Input

Locked

Line In

Locked

Line Out

Locked

Optical Input

Locked

RCA Input

Locked

Dock Charging

Locked

Power Supply

No Base/Dock

Locked

Check Price

Black

QuietComfort Ultra Headphones

Anthracite Black

Px7 S3

Deep Plum

QuietComfort Ultra Headphones

Canvas White

Px7 S3

Diamond 60th Edition

QuietComfort Ultra Headphones

Frost Blue

Px7 S3

Lunar Blue

QuietComfort Ultra Headphones

Indigo Blue

Px7 S3

Sandstone

QuietComfort Ultra Headphones

White Smoke

QuietComfort Ultra Headphones