Wireless Earbuds
Sennheiser MOMENTUM True Wireless 4
8.5/10SoundGuys scoreRead our review ›
1 of 2 would buy again
2 owners
The battery beat their expectations
Comfort beat their expectations
$299.95at Amazon
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1 / 9Bowers & Wilkins
Bowers & Wilkins Pi8
noise cancelling & sound
8.2/ 10
ANCNoise cancelling8.2
0.010.0
At 8.2, its noise cancelling beats 67% of wireless earbuds we've measured.
Measured on 91 of the 252 we've cataloged.
4.9/ 5
SoundMDAQS Overall4.9
1.05.0
A 4.9 puts its audio quality in the top quarter of wireless earbuds we've measured.
Measured on 64 of the 252 we've cataloged.
See the lab data ↓Frequency response · Isolation · Noise cancelling · Audio quality
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Key specs
Battery Life Earbuds
6.5 hBelow average6.5 h
2 h15 h
below average for wireless earbuds — based on 236 of 252 we've cataloged.
Battery Life With Case
20 hBelow average20 h
7 h60 h
below average for wireless earbuds — based on 235 of 252 we've cataloged.
IP Rating
IP54IPX436%IP5517%IP5415%IPX510%
IP54 appears on 15% of the 232 wireless earbuds we've cataloged (of 252).
Noise Cancellation Type
ActiveMost commonActive61%Passive15%Hybrid9%None8%
Active is the most common — on 61% of the 172 wireless earbuds we've cataloged (of 252).
Battery
- Battery Life Earbuds
- 6.5 h
- Battery Life With Case
- 20 h
- Charging Method
- USB-C, Wireless
- Full Charge Minutes
- 120 min
- Battery Life Anc On
- 5.17 h
- Fast Charging
- Yes
Build
- IP Rating
- IP54
- Sweat Resistance
- Yes
- Water Resistance
- Yes
- Material Case
- Plastic
- Material Chassis Primary
- Plastic
Sound
- Noise Cancellation Type
- Active
- Ambient Mode
- Yes
- Anc Depth
- 30 dB
- Anc Modes
- Off, ANC on, transparency
- Driver Count
- 1
- Driver Size
- 12 mm
- Driver Type
- Dynamic
- Frequency Response Signature
- Warm
- Impedance
- 32 Ω
Connectivity
- Bluetooth Version
- 5.4
- Bluetooth Codec
- SBC, AAC, aptX, aptX Adaptive, aptX Lossless
- Connection Type
- Bluetooth
- Headphone Jack
- No
- Multipoint Devices
- Yes - 2 devices
Design
- Earbud Form Factor
- In-ear
- Color Options
- Anthracite Black, Dove White, Jade Green, Midnight Blue
- Ear Tip Material
- Silicone
- Ear Tip Sizes Included
- XS, S, M, L
- Weight Per Earbud
- 6 g
- Weight With Case
- 47 g
Features
- Certified For
- Made for iPhone
- Companion App
- Yes
- Control Type
- Touch controls
- Eq Customization
- Yes
- Auto Pause
- Yes
- Mono Mode
- Yes
- Voice Assistant Support
- Google Assistant, Siri
Identity
- Model Number
- PI8
Microphone
- Count
- 3
- Type
- Triple microphone
Release
- Msrp Usd
- 399 USD
Lab data
How we test ›Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.
Bowers & Wilkins Pi8 Frequency Response (measured on a B&K 5128)
Click a line or a legend entry to highlight it. Click again to clear.Tap a legend entry to highlight its line. Tap again to clear.
Measured frequency response (dB relative) against the SoundGuys Headphone Preference Curve. When the measurement goes above the dashed line, that frequency is louder than our preference curve, and when it goes below: it's quieter. Use the curve for comparison purposes only, as your taste may vary.
| Frequency (Hz) | Response (dB) |
|---|---|
| 20 | 3.6 |
| 25 | 3.7 |
| 32 | 3.7 |
| 40 | 3.7 |
| 50 | 3.8 |
| 63 | 3.5 |
| 80 | 2.8 |
| 100 | 1.8 |
| 125 | 2.5 |
| 160 | 1.6 |
| 200 | 0.7 |
| 250 | 0.2 |
| 315 | -1.1 |
| 400 | -2.3 |
| 500 | -2.3 |
| 630 | -1.4 |
| 800 | -1.5 |
| 1000 | -1.1 |
| 1250 | 0.2 |
| 1600 | 3.0 |
| 2000 | 5.0 |
| 2500 | 6.7 |
| 3150 | 8.1 |
| 4000 | 4.8 |
| 5000 | 0.6 |
| 6300 | 0.8 |
| 8000 | 5.4 |
| 10000 | -0.8 |
| 12500 | 6.2 |
| 16000 | -0.9 |
| 20000 | -15.3 |
Bowers & Wilkins Pi8 Attenuation (measured on a B&K 5128)
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Solid lines: passive isolation (dB) with ANC off — how much ambient noise the fit blocks on its own. Dashed lines: total attenuation (dB) with ANC on — passive isolation plus active noise cancelling. Higher on the chart means more attenuation.
| Frequency (Hz) | Attenuation (dB) |
|---|---|
| 21 | 3.3 |
| 26 | 1.2 |
| 33 | 2.4 |
| 41 | 2.8 |
| 52 | 3.3 |
| 65 | 4.9 |
| 82 | 4.5 |
| 103 | 4.7 |
| 130 | 6.3 |
| 163 | 7.9 |
| 205 | 8.1 |
| 259 | 10.7 |
| 325 | 10.2 |
| 410 | 10.1 |
| 516 | 8.3 |
| 613 | 9.5 |
| 772 | 14.8 |
| 972 | 17.8 |
| 1220 | 18.8 |
| 1540 | 21.3 |
| 1940 | 27.4 |
| 2440 | 25.4 |
| 3070 | 24.4 |
| 3870 | 21.8 |
| 4870 | 25.0 |
| 6130 | 28.5 |
| 7720 | 21.6 |
| 9720 | 33.0 |
| 12200 | 20.9 |
| 15400 | 22.1 |
| 19400 | 28.1 |
| Frequency (Hz) | Total attenuation (dB) |
|---|---|
| 21 | 3.6 |
| 26 | 19.9 |
| 33 | 27.0 |
| 41 | 33.1 |
| 52 | 33.3 |
| 65 | 33.0 |
| 82 | 28.9 |
| 103 | 22.9 |
| 130 | 26.3 |
| 163 | 29.4 |
| 205 | 24.1 |
| 259 | 29.4 |
| 325 | 19.5 |
| 410 | 16.9 |
| 516 | 15.3 |
| 613 | 14.4 |
| 772 | 23.4 |
| 972 | 21.4 |
| 1220 | 20.5 |
| 1540 | 21.3 |
| 1940 | 20.3 |
| 2440 | 20.3 |
| 3070 | 21.6 |
| 3870 | 19.3 |
| 4870 | 25.7 |
| 6130 | 27.1 |
| 7720 | 21.9 |
| 9720 | 34.4 |
| 12200 | 20.1 |
| 15400 | 24.0 |
| 19400 | 28.0 |
Bowers & Wilkins Pi8 MDAQS
Multi-Dimensional Audio Quality Scores, Scale 1 - 5
Mean opinion score
4.9
4.1
4.8
4.9
TimbreDistortionImmersivenessOverall
Virtual mean opinion scores (MOS) on a 1–5 scale, modeled from the measured response by HEAD acoustics’ MDAQS (Multi-Dimensional Audio Quality Score) model. Higher is better across timbre, distortion, and immersiveness — add other models to see where this one lands.
SoundGuys review
SOUNDGUYS rating
Reviewed byChase BernathBrand & Partnerships ManagerReviewed November 2024
8.2/ 10
RecommendedNoise cancelling8.2
Isolation6.5
Comfort & fit8.0
Connectivity9.0
Design8.5
Portability9.0
The verdict
The Bowers & Wilkins Pi8 are a luxury product with a luxury price tag. The earbuds perform well across the board, though you can find better options for less money.
✓Liked: Premium design, Bluetooth 5.4 with aptX Lossless, Transmitter case
✕Could be better: Bass emphasis, Case is prone to scratches and fingerprints, No spatial audio or head tracking features
Owners
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Questions from readers
What readers ask about the Bowers & Wilkins Pi8, answered by the people who own it.
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