It is a USB-connected bus-powered D/D converter that uses the C-Media “CM6642” as the digital audio control IC and is compatible with high-resolution sound sources (maximum 24 bit/192 kHz) (Tamura Eiji)
Maintenance information: 2024.4.13 operation confirmed
Accessories: instruction manual, original box
Main specifications: digital input: USB TypeB terminal USB 1.1/2.0 compatible, USBAudioClass 1.0/2.0 compatible digital output: coaxial digital audio output (COAXIAL) optical digital audio input (square) compatible format: PCM maximum 24 bit 192 kHz W40 x H25 x 81 mm 90 g