Velodyne offers its Velodyne WI-Q 12" Wireless Subwoofer in Black Ash Vinyl, model no. 80-WIQ12BV, for $899. Coupon code "WIRELESS" cuts it to $499. With free shipping, that's the lowest total price we could find by $430. It measures approximately 18" x 16" x 18" and features 225-watts RMS, microphone, microphone stand, transmitter, power supply, and remote control.