600 Series Kits
The 600 series kits are designed for single zone listen only applications that require microphone muting. The MS-1 Mute Switch is an illuminated rocker switch that it used to mute the microphone output.
The 600 series kits are designed for single zone listen only applications that require microphone muting. The MS-1 Mute Switch is an illuminated rocker switch that it used to mute the microphone output.