Cadence Acoustics 6 x 9 Inches 700 Watt Peak 3-Way Speaker System (CS3.69) Cadence CS3.69 6"x9" three-way speaker system RMS Power: 175W / speaker, 350W / pair; PEAK Power: 350W / speaker, 700W / pair Frequency Response: 44Hz -20 kHz Sensitivity: 91dB @ 1w/1m SPL Mounting Depth: 3.00"