Used USB bus-powered DDC supporting high-resolution audio (up to 24bit/96kHz). [USB → Coaxial Digital / Optical Digital] 【Product Features】 ■ Audio-grade capacitors used for smooth USB power! AMS1117 adopted for 3.3V generation. ■ Each of the two output systems optimized with a logic amplifier! ■ Gold-plated RCA terminal for coaxial digital and shuttered optical digital terminal adopted 【Product Specifications】 Brand: FX-AUDIO- Product Model Number: FX-D03J Color: Black Accessories: USB cable (approx. 20cm) Size: Height 25mm x Width 40mm x Depth 81mm (excluding protrusions) Weight: 94g ※ Officially does not support 5.1ch output. (Pass-through output only) FX-AUDIO- FX-D03J USB bus-powered DDC. Adds OPTICAL and COAXIAL digital outputs via USB connection. Supports high-resolution audio. Optical, Coaxial.