Home > Video Products > Audio Video Mixers Processors Video Audio Mixer Chroma Key Processor + Picture-In-Picture Generator $498.00 4-Channel Quad Video Picture-In-Picture Video Processor $118.00 8-Channel Quad Video Multiplexer Picture-In-Picture Generator $148.00 3-Channel Stereo Audio Mixer With Microphone Input $46.00 PC VGA To Video Message Generator Mixer With Overlay Function $238.00