Alesis RA 150

4 ohms, per channel: 75W RMS / 8 ohms, per channel: 45W RMS / 8 ohms, bridged: 150W RMS / Inputs: RCA, 1/4" TRS / Signal-to-noise Ratio: >105dB, 22Hz-22kHz bandwidth referenced to rated output / Frequency Response: 10Hz-70kHz, +0, -3dB / Damping Factor: 200 / Input Sensitivity: +4dBU (1.23 V) for rated output with input control at maximum / Maximum Input Level: +26dBu / Input Impedance: 20 k-ohms, balanced, 10 k-ohms unbalanced / Crosstalk: -85dB, 1kHz / Output offset: +/- 50mV, Servo controlled / 2 RU (Rack Units)