PrimeDTV PHD-8VX Full HD 1080p HDMI A/V Switcher Digital HDTV Tuner Receiver Media Box Best Innovation for High-End HDTV & Media Hub in the box! Best-in-class Full HD 1080p Video Scaling and Enhancement. Professional Grade HDMI and A/V switcher! Most Advanced ATSC/QAM/NTSC HD Tuner Receiver in the market today! Feature-rich, Powerful Multimedia Control System.