Use the INW-AM200 from Premier Mounts as a recessed wall box with your AM2 Swingout Arm or PTM pivot mount for your flat panel TV. The INW-AM200 has cable routing through knockouts while its 14" width fits snug with standard 16" studs. When you use this in-wall box, the frame allows for a clean, finished look for your installation.
Premier Mounts INW-AM200 Specs
In-wall box for AM2 Swingout Arm and PTM pivot/tilt mount