Q Acoustics M40 HD: Two minute review. Understandably emboldened by the success of its wireless-system-in-a-pair-of-speakers M20 HD, Q Acoustics is back with a bigger, floorstanding version.

The loudspeaker supports aptX HD, aptX LL, aptX, AAC, and SBC and Bluetooth 5.2. The HD5 upsamples everything to 24-bit/48kHz PCM. There is no support for DSD or MQA. The rear panel features a stereo ...

Weight: 5.1kg (11.25 lbs – passive speaker), 5.5kg (12.2 lbs – powered speaker) In The Box. Powered M20 speaker; Passive M20 speaker; Remote Control with batteries; 1 Speaker Cable (4 meters) 1 U.S.