Check the listing for details. proreck Powered Subwoofer 18 inch 3000W Wired DJ Set. Color: Black, Condition: New. Listed at 409.99 USD. Powered Subwoofer: Powerful 3000W peak with 18” low-frequency driver for sound and bass reinforcement. It has 520 Watts RMS/ 3000 Watts Peak; 18 inch woofer with 80oz magnet and 3" voice coil. Electronic crossover from35Hz to 120Hz, XLR high pass output from 120Hz to 20KHz. XLR Input and Output: The system has XLR input and output jacks, which can easily for connecting signals from mixers or other amplifiers. It also has 3 DSP Presets-Monitor, DJLive, enables users to enjoy 3 types of sound features. Powerful Subwoofer with Side Handle Design: Built-in CLass-D amplifier ensures deep and thrilling stereo sound. Two side handles make it easy to transport and carry. Item weight: 86.5lbs; Item outer box dimension:22.8” x25.5 ” x27.5” Better Material to Reduce the Resonance: Super solid housing is made of plywood, which reduces the resonance generated by sound compared to plastic speaker, resulting in better sound quality and achieve distortion-free and accurate response. Wild Range of Usage: The SP-18X is portable and easy for transport, which is sutiable for parties, DJ gigs, weddings, meetings, speeches, churches, gymnastics, conferences, home theaters, etc.