Attach Arc to your existing TV mount. Extends outward to optimally position Arc's upward-firing drivers Adjustable 15" (38 cm) height for perfect positioning Compatible with most 50" to 90" TVs No drilling required Moves the soundbar with your full-motion TV mount Compatible with 60-mm wide TV VESA patterns Includes installation hardware 10-year warranty Weight: 13 lb (5.9 kg)