B &W was early out of the traps with its noise-cancelling Bluetooth wireless headphones. The impressive – if not quite flawless – PX of late 2017 set the standard and since then Sony, Bose, Sennheiser and B&O have hit back with the WH-1000XM3, NC700, Momentum 3 (HFC 455), and BeoPlay H8i wireless respectively. In doing so, the market for premium designs has blossomed, and the PX7 is aimed right at its epicentre.
Wireless headphones can only sound as good as the transmission protocol that’s employed, which is why aptX was a big move forward several years ago. More recently, aptX HD arrived promising 24-bit hi-res quality. Now, the new PX7 gets aptX Adaptive, offering aptX HD’s sound but with low latency and high error resilience. Offering data rates of between…
