Axxent AX 1400TS, Single Channel Audio Amplifier,Output Power: 400 watts at 100 V, 70 V, 50 V and low impedance (4 Ohms), Convection cooled without fan. Absolutely noise-less, Volume control knob on front panel detachable and replaceable by blind cover included, Input 3 pin XLR with Slave Out, Output: Euroblocks for 50/70/100 V Constant Voltage; binding posts for low impedance, 2 HE, Depth 330 mm, Weight 8,95 Kg