S-Video & Stereo Audio Matrix SwitchersExtron 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. On this page: Modular & Expandable Modular & Expandable Matrix 12800 Series Fully Configurable Matrix Switchers from 32x16 to 128x128 Matrix 3200 Series Fully Configurable Matrix Switchers from 16x8 to 32x32 Matrix 6400 Series Fully Configurable Matrix Switchers from 16x8 to 64x64 SMX S-video (2 BNC) Series S-Video (Y/C) Matrix Switcher Boards SMX S-video (4-pin DIN) Series S-Video Matrix Switcher Boards Matrix 6400 Audio Fully Configurable Matrix Switchers from 8x8 to 64x64 SMX System MultiMatrix Digital and Analog Multi-Plane Modular Matrix Switcher