The extendable soundbar mount for the Sonos Arc is directly attached to the wall and can be extended by 5 inches to optimally position the Arc's Dolby Atmos speakers and microphones. The extension also provides easy access to the I/O and power connections. The extendable soundbar mount features a 10-inch wide open wall access for power and cable management, specifically designed to be compatible with the Sanus WSIWPSB1-W1 In-Wall Power Kit for soundbars, hiding unsightly cables behind the wall for a clean, elegant installation. The extendable soundbar mount is available in black and white finishes and includes mounting hardware for drywall, concrete, and wood studs.