6 x 8 J Series 2-Way Car Speakers Power Handling: Peak: 250 watts per pair / 125 watts each RMS: 30 watts per pair / 15 watts each Mica cone woofer Hybrid surround Poly-ether imide balanced dome tweeter 4 ohms impedance Frequency Response: 35-22,000 Hz Top-mount Depth: 2-11/32 Sensitivity: 92dB