SRX2.150 - Memphis 2-Channel 300W MAX RMS Amplifier SRX2.150 - Memphis 2-Channel 300W MAX RMS Amplifier RMS @ 2-Ohms: 75W x 2 RMS @ 4-Ohms: 50W x 2 Total Harmony Distortion: &lt; .10% Dimensions (WxHxD): 8.85"