Elevate your audio experience with Street Reference subwoofers – the ultimate fusion of performance and value. Crafted with a rugged polypropylene cone, progressive poly cotton spider, and an anodized aluminum voice coil former, these subs are a powerhouse of premium features typically found in higher-priced models. Versatile and optimized for both sealed and ported enclosures, Street Reference subwoofers offer limitless audio possibilities. Choose from 10″ or 12″ sizes and unleash the power of 300/600 Watts RMS/PEAK at 4Ω. Upgrade your sound system with Street Reference for an aggressive performance that won’t break the bank. Features include a polypropylene cone & rubber surround, progressive poly cotton spider, optimization for both sealed and ported enclosures, anodized aluminum voice coil former, 12 AWG compression terminals, 4Ω impedance, and a stamped steel frame. Specifications for SRX1040V: Single Voice Coil 4Ω, size (in): 10, RMS/PEAK power: 300/600, sensitivity (dB): 83.7, mounting depth: 4.48, cut out diameter: 9.17, voice coil: single, impedance: 4Ω.