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Bowers & Wilkins Px8 S2 vs XK Audio Serene: which should you buy?

Specs, scores and condensed review verdicts for the Bowers & Wilkins Px8 S2 vs XK Audio Serene, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.

Score breakdown

Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.

Bowers & Wilkins Px8 S2 leads on 7 of 7 measures.

  • Bowers & Wilkins Px8 S2
  • XK Audio Serene
HearWiki score
85
-
Sound
9.5
-
Noise cancelling
8.0
-
Battery
8.5
-
Calls
7.0
-
Value
5.5
-
Price (USD)
$800
$970

Generation & platform

The scores rank quality. This is the other question: is the newer one actually newer technology, or the same platform in a new shell?

Same generation

Bowers & Wilkins Px8 S2 (2026) against XK Audio Serene (2025). These are the same generation of hardware - nothing in the radio, the codecs or the noise cancelling separates them. The platform is level; the newer hardware shows up in convenience features instead - the Bowers & Wilkins Px8 S2 adds USB-C.

  • Px8 S220261 yr newer
  • Serene2025
What differsPx8 S2Serene

Everyday features

USB-C
Yes
No

Specifications

Px8 S2Serene
Type
Over-Ear
Over-Ear
Price (USD)
$800
$970
HearWiki score
85
Not scored
Released
2026
2025
Availability
Sold new
Sold new
Driver
2× 40 mm dynamic
90 mm planar magnetic
Driver type
dynamic
planar
Driver size
40 mm
90 mm
Drivers per side
2
-
Frequency response
-
5 Hz - 80 kHz
Impedance
-
45 Ω
Sensitivity
-
85 dB/mW
Bluetooth
5.3
-
Codecs
SBC, AAC, aptX HD, aptX Adaptive, aptX Lossless
-
Multipoint pairing
Yes
-
Battery life
30 h
-
Battery life (ANC on)
30 h
-
Quick charge
15 min → 7 h
-
Wireless charging
No
-
Active noise cancelling
Yes
-
ANC type
hybrid
-
Transparency mode
Yes
-
Companion app
Yes
-
Custom EQ
Yes
-
Wear detection
Yes
-
Controls
buttons
buttons
Voice assistant
Yes
-
Weight
310 g
-
Foldable
Yes
-
Detachable cable
Yes
Yes
USB-C
Yes
No
Connector
USB-C
-
Balanced connection
-
Yes
Microphones
8
-

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