Power Reference amplifiers are the durable, reliable and powerful workhorse of the Memphis line. These amplifiers provide impressive power and performance. The single sided terminal design allows for convenient and easy wire routing to your amplifier for a clean installation. The top mounted control panel can easily be accessed for adjustments to dial in the perfect performance from your Power Reference amplifier. FEATURES Extruded aluminum heatsink Signal sensing auto turn on Top mounted controls 12dB/octave butterworth crossovers LED light strip Hi/Low selectable inputs SPECIFICATIONS RMS Power 4Ω: 150W x 2 RMS Power 2Ω: 250W x 2 Bridged Mono @ 4Ω: 500W x 1 THD%: