Douk Audio ST-01 PRO HiFi Bluetooth 5.0 Valve Tube Amplifier USB/COAX/OPT Amp

Audio input: Bluetooth / USB (PC-USB) / Coaxial / Optical / RCA /U-disk. Bluetooth input: 48KHz/24Bit. USB input: 96KHz/24Bit. Audio output: Banana speaker jacks / 3.5mm AUX. Model: ST-01 PRO. Net weight(ST-01 PRO): 661g / 1.46lb.

eBay