My Sonata HD Pro arrived and sadly is unusable on my laptop. Non-stop glitch, crackle, pop, drop-out fest. Tried everything: setting buffers to max, latency monitor, disabling anything I could in device manager, running barebones services, different USB sockets and hubs, different USB leads, Tempotech ASIO driver, ASIO4ALL, DS driver, WASAPI, Foobar, Groove Music, 16-bit, 24-bit, 32-bit output, etc, etc. It works perfectly fine connected to phone or DAP, and sounds great, so I'm guessing the device itself is fine, just bad synergy with my laptop (HP ENVY Ryzen 2500U). Playback is perfect on this laptop with Topping D10, and Hidizs AP80 in DAC mode. Have yet to test the Sonata on another PC.