The Vibro-Acoustic Recliner works in conjunction with the Southpaw Rovers or Stereos to provide vibratory input in both a reclined and upright position. Includes two bass shaking speakers that offer vibratory input to your clients. Each piece has a built-in connector that uses speaker wires that are easily connected or disconnected from our stereo units. The recliner comes standard in a waterproof Crypton fabric. Contact Southpaw Customer Service at 844.632.2191 for waterproof Crypton fabric options.All items are to be used with any Southpaw Rover/Stereo.