This Velodyne V-810-B subwoofer is a high-end wired audio device with a universal compatible brand, a driver size of 8 inches, and a system configuration of 1 + subwoofer. The stereo L/R RCA audio inputs ensure a quality sound experience. Measuring 13.25 inches in length, 5.5 inches in height, and 3 inches in width, the Velodyne V-810-B subwoofer is a perfect fit for any home audio setup. The subwoofer weighs 4.7 pounds and belongs to the Home Speakers & Subwoofers category under TV, Video & Home Audio in Consumer Electronics. Its model number is V-810-B v-810-b v810b, and it is in excellent working condition.