Bundle of 2 items: Two Kicker 44CWCD124 12" CompC Series Car Subwoofers 12" CompC Series Car Subwoofer Peak: 600 watts RMS: 300 watts Impedance: Dual 4 ohms Sensitivity: 88.3dB Frequency response: 27-500 Hz Dual Voice Coil Injection-Molded Polypropylene Cone Perimeter Venting for Thermal Management Ribbed Polyurethane Surround Signature Yellow Surround Stitching High-Strength Spiralead™ Tinsel Leads Stamped Steel Basket High Temp Voice Coil Spring-Loaded Speaker Terminals Mounting Depth: 5-3/8"