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1 / 10Bowers & Wilkins Px8 standard edition
A 7.4 puts its noise isolation / ANC in the top 10% of over-ear headphones we've measured.
Measured on 86 of the 240 we've cataloged.
A 4.2 puts its audio quality in the top half of over-ear headphones we've measured.
Measured on 44 of the 240 we've cataloged.
below average for over-ear headphones — based on 150 of 240 we've cataloged.
Usb-c is the most common — on 87% of the 135 over-ear headphones we've cataloged (of 240).
5.2 appears on 18% of the 145 over-ear headphones we've cataloged (of 240).
Bluetooth appears on 44% of the 215 over-ear headphones we've cataloged (of 240).
The Bowers & Wilkins PX8 is a competent, but expensive set of ANC headphones. Consequently, it's less of a question of getting the most for your dollar, but whether or not you're looking for something a little more posh than your average headphones.
Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.
Measured frequency response (dB) against the SoundGuys house target — the dashed curve. The closer the measured line tracks the target, the more neutral the tuning; peaks ride above the target, dips fall below it.
| Frequency (Hz) | Response (dB) |
|---|---|
| 20 | 8.5 |
| 25 | 8.6 |
| 32 | 8.0 |
| 40 | 6.9 |
| 50 | 6.4 |
| 63 | 7.3 |
| 80 | 6.4 |
| 100 | 5.4 |
| 125 | 5.0 |
| 160 | 4.7 |
| 200 | 3.9 |
| 250 | 2.3 |
| 315 | 0.4 |
| 400 | -0.8 |
| 500 | -0.5 |
| 630 | 0.3 |
| 800 | 0.7 |
| 1000 | 0.0 |
| 1250 | -0.7 |
| 1600 | -0.6 |
| 2000 | 0.9 |
| 2500 | 1.8 |
| 3150 | 7.5 |
| 4000 | 9.2 |
| 5000 | 5.7 |
| 6300 | 3.9 |
| 8000 | 7.5 |
| 10000 | 1.5 |
| 12500 | -6.9 |
| 16000 | -10.4 |
| 20000 | -23.0 |
Passive isolation (dB) with ANC off — how much ambient noise the fit blocks on its own. Higher on the chart means more attenuation.
| Frequency (Hz) | Attenuation (dB) |
|---|---|
| 21 | 6.5 |
| 26 | 9.3 |
| 33 | 0.6 |
| 41 | 0.8 |
| 52 | -0.3 |
| 65 | 1.3 |
| 82 | -0.6 |
| 103 | -0.8 |
| 130 | 1.1 |
| 163 | 2.9 |
| 205 | 4.8 |
| 259 | 5.5 |
| 325 | 8.6 |
| 410 | 9.5 |
| 516 | 10.9 |
| 613 | 12.1 |
| 772 | 15.8 |
| 972 | 23.4 |
| 1220 | 24.1 |
| 1540 | 24.1 |
| 1940 | 30.2 |
| 2440 | 33.5 |
| 3070 | 35.0 |
| 3870 | 30.2 |
| 4870 | 41.8 |
| 6130 | 46.2 |
| 7720 | 51.9 |
| 9720 | 45.7 |
| 12200 | 46.8 |
| 15400 | 46.0 |
| 19400 | 38.4 |
Total attenuation (dB) with ANC on — passive isolation plus active noise cancelling. Higher on the chart means more attenuation.
| Frequency (Hz) | Total attenuation (dB) |
|---|---|
| 21 | 11.0 |
| 26 | 15.1 |
| 33 | 8.4 |
| 41 | 9.7 |
| 52 | 13.3 |
| 65 | 14.9 |
| 82 | 21.7 |
| 103 | 26.0 |
| 130 | 23.8 |
| 163 | 21.5 |
| 205 | 18.9 |
| 259 | 19.5 |
| 325 | 20.8 |
| 410 | 19.1 |
| 516 | 21.4 |
| 613 | 25.3 |
| 772 | 29.8 |
| 972 | 23.5 |
| 1220 | 22.7 |
| 1540 | 25.8 |
| 1940 | 31.2 |
| 2440 | 32.9 |
| 3070 | 33.9 |
| 3870 | 28.9 |
| 4870 | 38.3 |
| 6130 | 44.6 |
| 7720 | 41.0 |
| 9720 | 42.5 |
| 12200 | 47.0 |
| 15400 | 44.0 |
| 19400 | 29.2 |
Multi-Dimensional Audio Quality Scores (1–5), modeled from the measured response. Higher is better across timbre, distortion, and immersiveness — add other models to see where this one lands.
Video reviews and comparisons for this product.
Commentary and deep dives from the SoundGuys editorial team.











