8' JMPSW800 Subwoofer - 200W Water resistant amplified subwoofer reproduces and projects low-pitch audio frequencies.  Ported aluminum enclosure withstands the elements and enhances the low frequency output and rich sound quality of your stereo. Features: * Slim design * Built-in amplification * Black anodized all aluminum enclosure * Mate-in-lock connectors for easy installation * Vertical and horizontal mounting provisions * Adjustable gain and crossover Technical Specifications: * 200 Watts Nominal Power * Max Power - 200W * Sensitivity - 79dB * Voice coil - 38 mm * Power System - 12 Vdc * Frequency - 60Hz-200Hz * Dimensions (W x H x D) - 13.6' x 10.4' x 2.9' In the Box: * Marine subwoofer * Wiring harness * Instruction manual *Sold as an Individual  Warning [https://productimageserver.com/prop65/6pt.png]WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov [http://P65Warnings.ca.gov].