Memphis Audio 10" Street Reference DVC SRX1044 Dual 4 Ohm Subwoofer If your looking for a speaker to just have some bass, or whether it's your first system, the Street Reference line will be the ultimate value subwoofer on today's market. With 400 Watts MAX power, the Street Reference 10" Subwoofer will give you a good quality bass. Designed with a Progressive poly-cotton spider and a butyl rubber surround this subwoofer allows for controlled motion, resulting in lower distortion with overall improved durability. This also allows this subwoofer to handle more flex and last longer. The subwoofer was redesigned from the ground up and the Street Reference subs are indistinguishable from their predecessors with improved performance, durability, and cosmetics. FEATURES: 12 AWG compression terminals Anodized aluminum voice coil former Optimized for both sealed and vented enclosures Lightweight but rigid cone design for improved efficiency Polypropylene cone for improved durability Progressive poly-cotton spider for controlled motion resulting in lower distortion Rubber surround for improved durability Specifications: 10" Inch Subwoofer 200 Watts RMS 400 Watts Peak Power 84 dB Sensitivity 30 Oz Magnet Size 30oz Magnet Weight 3.55" Magnet Diameter 4.65" Mounting Depth 9.06" Cut Out Diameter Voice Coil Magnet: Dual 4 ohm Impedance 2" Voice Coil Diameter