AV Toolbox POF-830 Optical-to-Coaxial Digital Audio Converter Input: Optical Digital Audio via Toslink connector Output: Coaxial Digital PCM Audio via RCA connector Size: 0.8" High x 2.8" Wide x 1.8" Deep (20mm x 71mm x 46mm) Weight: 1.1 oz (31g) Power Consumption: 50mA