M1 to HDMI Cable M1 is a connection frequently seen on video projectors. HDMI is cutting-edge technology on the frontier of audio/video innovation. HDMI is found on numerous home theater devices including HDTV's. These M1 to HDMI cables allow connections between M1 and HDMI devices, so you can output HD video from HDMI devices to a M1-capable projector, allowing you to enjoy brilliant and stunningly immersive video and graphics in a large-screen theater fashion using a video projector. Typical Applications: •Connecting projectors to HD-video devices.