SPECIFICATIONS CS2104 4" two-way CS2105 5-1/4" two-way CS2106 6-1/2" two-way CS2164 4" x 6" two-way CS2165 165mm two-way CS3108 8" three-way CS3110 10" three-way CS3196 6" x 9" three-way CS4196 6" x 9" four-way Speaker Impedance 4 ohms 4 ohms 4 ohms 4 ohms 4 ohms 4 ohms 4 ohms 4 ohms 4 ohms Power Handling 90W Peak, 30W RMS 90W Peak, 30W RMS 120W Peak, 40W RMS 90W Peak, 30W RMS 120W Peak, 40W RMS 210W Peak, 70W RMS 270W Peak, 90W RMS 210W Peak, 70W RMS 210W Peak, 70W RMS Sensitiv