Cadence Acoustics CS3.57 300 Watt Peak 5x7-Inch 3-Way Speaker System Cadence CS3.57 5 inch x 7 inch/6 inch x 8 inch three-way speaker system RMS Power: 75W/speaker, 150W/pair; PEAK Power: 150W/speaker, 300W/pair Frequency Response: 84Hz - 20 kHz Sensitivity: 90dB @ 1w/1m SPL Mounting Depth: 2.00 inch