Recevial chip CS8416 Decode Chip AD1852 Analogy Opamp chip: OPA2604 S/N ratio 105dB Distortion 0.0005% dynamic range: 117dB Frequency Response 20Hz-30KHz analogy output frequency: 2V Imput port: one digital optical fibre imput one digital coaxial imput Output port: one RCA analogy un-balance output one 6.3mm headphone signal output power imput voltage:110V/220V Dimension:240X220X55mm Net weight:3kg