Four balanced Mic/Line Inputs (XLR) with 15V Phantom Power, Bi-Color Signal Present/Overload indicators, Trimless Mic Stage Preamplifiers, A / A+B / B Assign Switch * Four Balanced Stereo Line Inputs (TRS) with Independent Mono switch, 12 dB of Line Gain * Two balanced Outputs (XLR) with Independent Overload indicators, Independent Level controls, Internal Pad for Mic level output * Individual Level Control Hole Plugs Included * Internal Universal Power Supply (100-240 VAC)