User Manual for TOPPING models including: HS01 USB Isolator, HS01, USB Isolator, Isolator
Amazon.com: Topping HS01 USB 2.0 High Speed Audio Isolator Compatible with PCM32bit 768kHz DSD512 withstands up to 1kVRMS : Electronics
Topping E50 MQA DAC Home Audio DAC ES9068AS XMOS XU216 DSD512/768kHz USB/Coax/Opt Input RCA/TRS Balanced Output Decoder with Remote Control (Black) : Electronics