Velodyne Wi-Q 12 Inch Wireless Subwoofer Front-Firing Subwoofer - With a down-firing ported cabinet delivers authoritative bass for high-impact home theater audio. Digital Amplifiers - Supply up to 450W peak power (225W RMS) for a high level of volume with minimal distortion. Wireless Design - Via Velodyne's WiConnect System allows simple connection and makes it easy to place the subwoofer in an area that suits your preferences. One-touch Auto EQ Room Bass Correction - For optimal audio reproduction. 4 One-Touch Listening Presets - Provide simple controls.