16-MCX1.1100 - Memphis Monoblock 1100W RMS 2200W Max Class D MClass Amplifier 16-MCX1.1100 - Memphis Monoblock 1100W RMS 2200W Max Class D MClass Amplifier RMS Power at 4-Ohms: 320W x 1 | RMS Power at 2-Ohms: 550W x 1 | RMS Power at 1-Ohms: 1100W x 1 Frequency Response: 20Hz - 50Hz Signal to Noise Ratio Rated Power: 90dB Dimensions: 9.05" W x 2.56" H x 14.76" D