Power, Reliability, and Precision! Building on the ever-popular RA100 power amp, Alesis has cranked up the juice with this new power amp that generates 300 watts of crystal-clean bridged power, 150W per channel into 4 ohms, or 90W per channel into 8 ohms. Priced to fit in your budget as well as it fits in your rack, this beauty boasts rugged construction and striking good looks. Advanced convection cooling keeps temperatures low for long, stable operation with no heat-related complications and no noisy, rickety fans to deal with. >105dB signal-to-noise ratio, 10Hz-70kHz frequency response, and <.02% distortion @ 4 ohms (20Hz-20kHz) mean pro-quality performance. Features2 rack spaces150W per channel into 4 ohms90W per channel into 8 ohms300W bridged into 8 ohmsSignal to noise 105dB10Hz-70kHz frequency responseDistortion of Fanless convection coolingSpecificationsRated output4 ohms: 150 watts RMS per channel8 ohms: 90 watts RMS per channel8 ohms: 300 watts RMS, bridged modeSignal to Noise Ratio: >105dBFrequency Response:10Hz - 70kHz +0, -3dBDistortion: < 0.02% @ 4ohms, 20Hz -20kHzInput Sensitivity: +4dB for rated outputCrosstalk: -85dB, 1kHzOutput offset: +/- 50 mV, Servo Controlled