Infinity PR8602cf 120W RMS 6" x 8"/ 5" x 7" Primus Series Coaxial Car Speakers 5" x 7" OR 6" x 8" Car Audio 2-Way Speakers (Pair) Sensitivity: 93 dB 3-ohm impedance for extra power (compatible with virtually all factory or aftermarket car stereos) Top mounting depth: 2-7/16 inch Peak: 360 watts per pair / 180 watts each