Products
Sennheiser MOMENTUM 4 Wireless
Bowers & Wilkins Px8 Wireless
Tested using Methodology v2.0
Updated Nov 06, 2025 04:25 PM
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Tested using Methodology v2.0
Updated Nov 14, 2025 05:20 PM
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Amazon.com
TypeOver-ear
Noise CancellingYes
EnclosureClosed-Back
Bass Amount
Very Emphasized (6 dB)
WirelessYes
TransducerDynamic
Treble Amount
Balanced (0 dB)
MicYes
Sound Signature
Warm
TypeOver-ear
Noise CancellingYes
EnclosureClosed-Back
Bass Amount
Very Emphasized (5 dB)
WirelessYes
TransducerDynamic
Treble Amount
Slightly Underemphasized (-2 dB)
MicYes
Sound Signature
Warm
Our Verdict
Sennheiser MOMENTUM 4 Wireless
Bowers & Wilkins Px8 Wireless
Depending on your needs, you may prefer either the Sennheiser MOMENTUM 4 Wireless or the Bowers & Wilkins Px8 Wireless. The Sennheiser have a more complete app for sculpting your sound and a longer-lasting continuous battery life with better ANC. Conversely, the Bowers & Wilkins are more comfortable and better built. Plus, their mic sounds clearer and handles background noise better, too.
Variants
- MOMENTUM 4 Wireless (Black)
- MOMENTUM 4 Wireless (Black/Copper - Special Edition)
- MOMENTUM 4 Wireless (Denim)
- MOMENTUM 4 Wireless (Graphite)
- MOMENTUM 4 Wireless (White)
- Px8 (Black)
- Px8 (Dark Forest)
- Px8 (Tan)
Check Price
Black
MOMENTUM 4 Wireless
SEE PRICE
Amazon.com
Black
Px8
SEE PRICE
Amazon.com
Black/Copper - Special Edition
MOMENTUM 4 Wireless
SEE PRICE
Amazon.com
Dark Forest
Px8
SEE PRICE
BestBuy.com
Denim
MOMENTUM 4 Wireless
SEE PRICE
BestBuy.com
Tan
Px8
SEE PRICE
Amazon.com
Graphite
MOMENTUM 4 Wireless
SEE PRICE
Amazon.com
White
MOMENTUM 4 Wireless
SEE PRICE
BestBuy.com
Main Differences for
Sports And Fitness
Sports And Fitness
Threshold
Sports And Fitness
7.2
7.4
Stability
7.0
7.5
Comfort
7.5
8.0
Full Comparison
Sound
Sound Profile
Sound Profile
Normalization Frequency
350 Hz
950 Hz
Bass Amount
Very Emphasized (6 dB)
Very Emphasized (5 dB)
Treble Amount
Balanced (0 dB)
Slightly Underemphasized (-2 dB)
Sound Signature
Warm
Warm
Frequency Response Consistency
7.0
6.0
Consistency L
Consistency R
Std. Deviation
1.11 dB
1.29 dB
Bass Profile: Target Compliance
7.1
7.8
Bass Profile: Target Compliance
RMS Deviation From Target
6.2 dB
4.9 dB
Low-Frequency Extension
20 Hz
20 Hz
Low Bass
8.23 dB
3.63 dB
Mid Bass
4.6 dB
5.59 dB
High Bass
2.38 dB
5.65 dB
Mid-Range Profile: Target Compliance
9.2
7.8
Mid-Range Profile: Target Compliance
RMS Deviation From Target
1.22 dB
3.13 dB
Low Mid
-0.06 dB
2.23 dB
Mid-Mid
0.48 dB
1.14 dB
High Mid
0.02 dB
-4.36 dB
Treble Profile: Target Compliance
9.9
8.4
Treble Profile: Target Compliance
RMS Deviation From Target
1.44 dB
3 dB
Low Treble
-0.38 dB
-2.21 dB
Mid Treble
1.43 dB
-2.62 dB
High Treble
-4.74 dB
-6.49 dB
Peaks/Dips
8.2
7.5
Peaks/Dips Graph
Peaks
0.88 dB
1.44 dB
Dips
1.84 dB
1.7 dB
Stereo Mismatch
8.0
8.0
Frequency Response Mismatch
Phase Response Mismatch
Weighted Amplitude Mismatch
0.46 dB
0.36 dB
Weighted Frequency Response Mismatch
0.83 dB
1.45 dB
Weighted Phase Mismatch
0.9°
1.2°
Cumulative Spectral Decay
CSD
PRTF
2.6
5.5
PRTF
PRTF Accuracy (RMS Deviation)
4.88 dB
5.04 dB
PRTF Size (Avg.)
2.44 dB
5.72 dB
PRTF Distance
2.77 dB
8.64 dB
Harmonic Distortion
9.1
9.1
Harmonics Levels
THD Ratio
WHD @ 94 dB SPL
0.10%
0.11%
WHD @ 104 dB SPL
0.12%
0.10%
Electrical Aspects
Impedance
Sensitivity @1kHz-1V
119.9 dB SPL
N/A
Bluetooth Max SPL
104.1 dB
107.4 dB
Virtual Soundstage
0.0
0.0
Virtual Soundstage
Head Modeling
No
No
Speaker Modeling
No
No
Room Ambience
No
No
Head Tracking
No
No
Virtual Surround
No
No
Test Settings
Firmware
2.13.42
1.3.1.0
Power
On
On
Connection
Bluetooth
Bluetooth
Codec
SBC, 16-bit, 48kHz
aptX HD, 24-bit, 48kHz
Test Instrument
Audio Precision APx517B
Audio Precision APx517B
EQ
Default
No EQ
ANC
Adaptive ANC
On
Tip/Pad
Default
Default
Microphone
Integrated
Integrated
Design
Style
Design Picture 2
Type
Over-ear
Over-ear
Enclosure
Closed-Back
Closed-Back
Wireless
Yes
Yes
Transducer
Dynamic
Dynamic
Comfort
7.5
8.0
Comfort Picture
Weight
0.65 lbs
0.7 lbs
Clamping Force
1 lbs
0.9 lbs
Controls
8.1
7.7
Controls Picture
OS Compatibility
Not OS specific
Not OS specific
Ease Of Use
Good
Good
Feedback
Good
Good
Call/Music Control
Yes
Yes
Volume Control
Yes
Yes
Microphone Control
Mute/Unmute
No
Channel Mixing
No
No
Noise Cancelling Control
Adjustable
On/Off
Talk-Through
Adjustable
On/Off
Additional Controls
Multi function
Bluetooth Sync
Portability
6.0
5.9
Portability Picture
L
7.6" (19.2 cm)
8.2" (20.9 cm)
W
7.4" (18.9 cm)
6.6" (16.6 cm)
H
1.8" (4.6 cm)
2.1" (5.2 cm)
Volume
101.86 in³ (1,669.20 cm³)
111.21 in³ (1,822.35 cm³)
Transmitter Required
No
No
Case
8.0
8.0
Case Picture
Type
Hard case
Hard case
L
8.3" (21.2 cm)
9.1" (23.0 cm)
W
7.8" (19.8 cm)
7.4" (18.8 cm)
H
2.4" (6.1 cm)
2.5" (6.2 cm)
Volume
156.25 in³ (2,560.50 cm³)
164.43 in³ (2,694.51 cm³)
Build Quality
8.0
8.5
Build Quality Picture
Stability
7.0
7.5
Stability Picture
Headshots 1
Angled Picture
Side Picture
Headshots 2
Front Picture
Rear Picture
Top
Top Picture
In The Box
In The Box Picture
Isolation
Noise Isolation - Full Range
8.6
8.1
Noise Isolation - Full Range Graph
Noise Cancelling
Yes
Yes
Overall Attenuation
-22.76 dB
-21.25 dB
Bass
-15.27 dB
-12.11 dB
Mid
-22.18 dB
-22.75 dB
Treble
-32.51 dB
-30.69 dB
Noise Isolation - Common Scenarios
8.1
7.0
Noise Isolation - Common Scenarios Graph
Airplane Noise Attenuation
-19.16 dB
-16.79 dB
Airplane Noise Isolation Audio
Office Noise Attenuation
-18.86 dB
-16.97 dB
Office Noise Isolation Audio
Street Noise Attenuation
-20.04 dB
-18.40 dB
Street Noise Isolation Audio
Noise Isolation - Voice Handling
Female Voice 1
Male Voice 1
Female Voice 2
Male Voice 2
Leakage
8.0
7.6
Leakage
Leakage Audio
Overall Leakage @ 1ft
33.74 dB
35.86 dB
Microphone
Microphone Style
Integrated
Yes
Yes
In-Line
No
No
Boom
No
No
Detachable Boom
No
No
Mic
Yes
Yes
Recording Quality
6.8
7.1
Microphone Frequency Response
Recorded Speech
LFE
≈ 179.59 Hz
151.02 Hz
FR Std. Dev.
4.3 dB
2.84 dB
HFE
7,240.77 Hz
7,136.96 Hz
Weighted THD
1.601
1.44
Gain
0.68 dB
-12.7 dB
Noise Handling
6.1
7.0
SpNR
SpNR
7.33 dB
17.27 dB
Noise Gate
Always On
Always On
Speech + Pink Noise Handling
6.5
7.0
Speech + Pink Noise Audio Sample
Speech + Subway Noise Handling
5.5
7.0
Speech + Subway Noise Audio Sample
Active Features
Battery
9.5
8.6
Battery Type
Rechargable
Rechargable
Continuous Battery Life
62.3 hrs
38.1 hrs
Additional Charges
0.0
0.0
Total Battery Life
62.3 hrs
38.1 hrs
Charge Time
2.2 hrs
1.7 hrs
Power-Saving Feature
Auto-Off Timer
Standby mode
Audio While Charging
Yes
Yes
Passive Playback
Yes
No
Charging Port
USB-C
USB-C
App Support
8.5
7.0
App Picture
App Name
Sennheiser Smart Control Plus
Bowers & Wilkins Music
iOS
Yes
Yes
Android
Yes
Yes
macOS
No
No
Windows
No
No
Equalizer
Graphic + Presets
Two Band EQ
ANC Control
Adjustable
On/Off
Mic Control
No
No
Room Effects
No
No
Playback Control
No
No
Button Mapping
No
Yes
Surround Support
No
No
Connectivity
Wired Connection
8.8
7.0
Cable Picture
Analog Audio
Yes
Yes
USB Audio
USB Type A
USB-C
Detachable
Yes
Yes
Length
4.10 ft (1.25 m)
3.94 ft (1.20 m)
Connector
1/16" TRS
USB-C
Latency - Analog
0.4 ms
30.8 ms
Latency - USB
39.6 ms
39.4 ms
Recorded Latency
Recorded Latency Connection
USB
USB
Bluetooth Connection
7.8
7.8
Bluetooth Version
5.2
5.2
Multi-Device Pairing
2 Devices
2 Devices
Quick Pair (Android)
No
Yes
Quick Pair (iOS)
No
No
Line Of Sight Range
312.66 ft (95.30 m)
228.67 ft (69.70 m)
Latency - SBC
271 ms
273 ms
Latency - aptX
265 ms
267 ms
Latency - aptX Adaptive (High Quality)
353 ms
260 ms
Latency - aptX Adaptive (Low Latency)
65 ms
54 ms
Latency - LDAC
N/A
N/A
Recorded Latency
Recorded Latency Codec
aptX Adaptive (Low Latency)
aptX Adaptive (Low Latency)
AAC Support
Yes
Yes
Wireless Connection (Dongle)
0.0
0.0
Line Of Sight Range
N/A
N/A
Latency - Dongle
N/A
N/A
Recorded Latency
N/A
N/A
PC Compatibility
Analog
Audio Only
Audio Only
Wired USB
Audio + Microphone
Audio Only
Non-BT Wireless
No
No
PlayStation Compatibility
PS4 Analog
Audio Only
Audio Only
PS4 Wired USB
Audio + Microphone
No
PS4 Non-BT Wireless
No
No
PS5 Analog
Audio Only
Audio Only
PS5 Wired USB
Audio + Microphone
Audio Only
PS5 Non-BT Wireless
No
No
Xbox Compatibility
Xbox One Analog
Audio Only
Audio Only
Xbox One Wired USB
No
No
Xbox One Non-BT Wireless
No
No
Xbox Series X|S Analog
Audio Only
Audio Only
Xbox Series X|S Wired USB
No
No
Xbox Series X|S Non-BT Wireless
No
No
Base/Dock
0.0
0.0
Type
No Base/Dock
No Base/Dock
USB Input
No
No
Line In
No
No
Line Out
No
No
Optical Input
No
No
RCA Input
No
No
Dock Charging
No
No
Power Supply
No Base/Dock
No Base/Dock
Check Price
Black
MOMENTUM 4 Wireless
SEE PRICE
Amazon.com
Black
Px8
SEE PRICE
Amazon.com
Black/Copper - Special Edition
MOMENTUM 4 Wireless
SEE PRICE
Amazon.com
Dark Forest
Px8
SEE PRICE
BestBuy.com
Denim
MOMENTUM 4 Wireless
SEE PRICE
BestBuy.com
Tan
Px8
SEE PRICE
Amazon.com
Graphite
MOMENTUM 4 Wireless
SEE PRICE
Amazon.com
White
MOMENTUM 4 Wireless
SEE PRICE
BestBuy.com
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Sennheiser MOMENTUM 4 Wireless
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Comments
Sennheiser MOMENTUM 4 Wireless vs Bowers & Wilkins Px8 Wireless: Main Discussion
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