Before beginning any measurements, I powered up the WiSA transmitter/hub, installed the SA Cockpit app on my iPad mini, connected the app to the hub via my Wi-Fi network, paired the hub with one of the speakers, and connected my MacBook Pro's USB port to the hub. Apple's AudioMIDI utility revealed that the USB port accepts 16- and 24-bit integer data sampled at all rates from 44.1kHz to 192kHz. The USB Prober app identified the WiSA hub as "Stereo Hub HT" from "Hansong (Nanjing)" and indicated that the USB port operated in the isochronous adaptive mode…