Complete home theater installation kit for ButtKicker LFE "silent subwoofer" * Simulates the feeling of heavy bass through the furniture without the excessive volume * Includes ButtKicker LFE, 2,100-watt amplifier, wiring cables, and furniture kit * Furniture mounts sit under chair or couch legs to create tactile experience * ButtKicker measures 5.5 inches wide (oval) and 5.375 inches tall; 2-year warranty