Analog Audio/Video Matrix Switchers Analog Audio/Video Matrix Switchers are designed for applications that route composite video, S-video, and HDTV/component video signals, with or without stereo audio. Extron HDTV/component matrix switchers are also capable of switching RGsB computer signals up to 150 MHz. These matrix switchers are available in sizes from 4x2 to 128x128, depending on signal type. Composite Video Extron Composite Video matrix switchers are available with or without balanced/unbalanced stereo audio. They range in sizes of 4x2 up to 128x128, and include a wide variety of features. S-Video Extron S-Video matrix switchers are available with or without balanced/unbalanced stereo audio. They range in sizes of 4x2 up to 128x128, and include a wide variety of features. HDTV/Component Extron HDTV/Component Video matrix switchers are available with or without balanced/unbalanced stereo audio. They range in sizes of 3x2 up to 128x128, and include a wide variety of features. Audio Extron Audio matrix switchers are designed to route balanced or unbalanced audio signals. They range in sizes of 8x8 up to 128x128, and include a wide variety of features.