If the ESP isn’t your bag, we’ve brought you another relay based audio switcher in the past that used an Atmel chip.

Here’s how it works. SUNNYVALE, CALIF.: Atlona, a manufacturer of digital connectivity solutions, unveils its AT-PRO3HD44M 4x4 HDMI matrix switcher which extends HDMI sources up to 230 feet over CAT6 ...

Comprehensive has introduced the CSW-HD440 HDMI 4x4 True Matrix Switcher and the CSW-HD440EXT ... the HDMI signal to be sent via CAT5E or CAT6. The CSW-HD440EXT has four built-in transmitters ...