SunBriteTV SB-WM46 46-Inch Dual Arm Articulating Wall Mount by SunbriteTV. $411.31. The SunBriteTV SB-WM46 46 In. Articulating Dual-Arm Wall Mount is designed with stainless steel construction for SunBrite’s SB-4610HD 46 in. LCD TV. This dual-arm mount provides smooth tilt swivel and extends up to 21 inches. Set up your TV outside with this durable stainless wall mount and enjoy your favorite movies, TV shows and more from your hot tub, deck or backyard.