JVC Mobile CS-V528 5-1/4" 2-Way Coaxial Speakers: * 2-way coaxial * 220W Peak/27W RMS Power * Frequency Response: 50-25,000Hz * Sound Pressure Level: 87dB/W.m * Carbon Mica Cone Woofer * Poly-Ether Imide Balanced Tweeter * Ferrite Magnet (Woofer/Tweeter) * Hybrid Surround * Mounting Depth: 44 mm (1-3/4"")