YAMAHA SPMK30 MOUNTING BRACKET FOR YSP-3000, YSP-800, YSP-4000, YSP-900 Wall Mount Bracket for the Yamaha Digital Sound Projectors, models YSP-4000, YSP-3000, YSP-900 and YSP-800. Key Features: Safely and easily mount the Yamaha YSP-4000, YSP-3000, YSP-900 and YSP-800 Digital Sound Projectors to the wall with this optional hanging bracket. If you have a wall mounted flat panel unit, this is the best way to ensure perfect placement of your multi-beam speaker system Features: 2 Safety Wires to keep your Digital Sound Projector in place