No. of Channels: Audio 4-channels, Mic, 1-channel Input Terminals: CD/LINE × 6(RCA), PHONO × 2(RCA), DIGITAL IN × 4(COAXIAL), MIC × 1 (On top, XLR & 1/4-inch general-purpose phone×1) Output Terminals: MASTER OUT × 2(RCA × 1,XLR × 1), BOOTH OUT × 1(1/4 inch PHONE), HEADPHONE MONITOR OUT × 1(On top, 1/4 inch PHONE), REC OUT × 1(RCA), DIGITAL OUT × 1(COAXIAL) Other Terminals: SEND × 1(1/4 inch PHONE), RETURN × 1(1/4 inch PHONE), MIDI OUT × 1(5P DIN), CONTROL × 2(φ3.5MINI JACK), USB B Port × 1, LINK Terminal × 6 (LAN Cable) Sampling Rate: 96 kHz D/A Converter: 32 bit A/D Converter: 24 bit Frequency Performance 20 Hz ~20 kHz Total Harmonic Distortion: 0.004% or less Signal/Noise Ratio: 107 dB (LINE) Headroom: 19 dB Power Source: AC 120 V (60 Hz ) Power Consumption: 42 W Max External Dimensions: 16.9 in (W) × 16.1 in (D) × 4.3 in (H) Weight: 18.7 lbs