Effects:Harmony Control:Key/Auto selection Harmony voicing Harmony Mix Footswitch on/off Mic Control on/off Construction:Two part dies cast metal Rubberized base Analog Input:Connectors, balanced: Mic: XLR Mic Input Level at 0 dBFS: -42dBu to +1dBu EIN at Max Mic Gain Rg = 150Ohms: -126 dBu Mic input SNR: >104 dB Phantom Power: 24V (always on) Guitar Input impedance: 1 MOhms Guitar Input Level at 0dBFS: -7dBU to 17dBu Guitar Input SNR: >115dB Analog Output:Output Impedance, Bal./Unbal: 200/100Ohms Output Full Scale: +1dBu Dynamic Range: >104dB, 20Hz to 20kHz Frequency Response: +0/-0.3dB, 20Hz to 20kHz Connection control:USB for firmware and control Mic Control using TC-Helicon MP-75 Power Supply:12V.4A (Supplied) Power Consumption:5.6W Safety:EMC - Complies with EN 55103-1 and EN 55103-2 FCC part 15, Class B, CISPR 22, Class B Safety - certified to IEC 65, EN 60065, UL6500 and CSA IEC 65, EN 60065, UL6500 and CSA