Switching & Distribution Extron Switching & Signal Distribution products include audio switchers, distribution amplifiers, and matrix switchers for selecting between several stereo sources, distributing a stereo input to several outputs, or routing several mono or stereo audio inputs to a number of sound systems. On this page: Audio Distribution Amplifiers Audio Switchers Audio Matrix Switchers Audio Distribution Amplifiers MDA 5A RCA Five Output Stereo Audio Distribution Amplifier DA 6A Six Output Stereo Audio Distribution Amplifier MDA 3A Three Output Stereo Audio Distribution Amplifier Audio Switchers MLS 100 A Four Input Stereo Audio Switcher SW 12A 12 Input Audio Switcher Audio Matrix Switchers Matrix 6400 Audio Fully Configurable Matrix Switchers from 8x8 to 64x64 MAV Plus 1616 A 16x16 Matrix Switcher for Stereo Audio