Alpine SWT-10S2 10" Car Audio Subwoofer

10" Car Audio Shallow mount subwoofer with Single voice coil PEAK Power: 1000 wattsCar Subwoofer RMS Power: 350 watts Recommended Power Range: 100W - 350W Impedance: 2-ohms Frequency response: 30 - 200 Hz Sensitivity: 84.8 dB Poly-Mica Dust Cap & Pulp-Kevlar Polyurethane Foam Surround Spiral Cut Aluminum Former 65mm Voice Coil with High-Temp 4-Layer SVC Winding 8AWG Push Terminals Top-mount depth: 4-3/16" Mounting Diameter: 8-15/16"