VGA & Stereo Audio Matrix Switchers Extron VGA & Stereo Audio matrix switchers are designed for high resolution computer-video with stereo audio applications. They range in sizes of 3x2 up to 16x16, and include a wide variety of features. All Extron VGA matrix switchers are also capable of switching HDTV/component analog video signals. On this page: 3x2 to 8x8 Modular & Expandable 3x2 to 8x8 MMX 32 VGA A 3x2 VGA and Stereo Audio Matrix Switcher MVX 44 VGA A 4x4 VGA and Stereo Audio Matrix Switcher MVX 88 VGA A 8x8 VGA and Stereo Audio Matrix Switcher Modular & Expandable SMX VGA Series Wideband VGA Matrix Switcher Boards SMX System MultiMatrix Digital and Analog Multi-Plane Modular Matrix Switcher