Warm Audio WA12 Mic Preamp with CineMag Transformers, one Channel Mic-Pre, 71dB Gain, Tone Button to switches the input impedance from 600 ohms to 150 ohms for Mic- and Hi-Z Input, switchable Phantom Power 48V, -20dB Pad, Connections: XLR Mic-Input balanced, Hi-Z Instrument Input 1/4" TRS, balanced Line-Out XLR and 1/4" TRS, incl. Power Supply, dimensions: 1U 9,5"