Features: - Output : 18 Wrms/ch @ 4ohm 0.08% THD+Noise - Frequency Response: 40Hz ~ 50 kHz (-3dB) @ 4ohm - Distortion: 0.02% @ 1W - Dynamic Range: 112dB @ 1kHz - SPDIF coaxial digital output - On-board 2-pin digital output