Preamplifier with built-in VOX
Electronically Balanced Mic Input : -60dB min
Phantom DC supply for Mic Input : 24V
Transformer Balanced Line Input : 0dB max
Selectable Gain : +10dB or +20dB (max Input level 0dB)
Transformer balanced Output with limiter : 0dB/600 Ohms nominal
Selectable Output level (after limiter) : -3dB or +3dB
Mute Output through a relay with Led signalling
Voice activated mute or externally delivered contact closure
Jumper selectable mute hold time
Best for wireless microphone or wired

NB : Transformers allow a galvanic isolation and are strongly recommended, specially in case of doubt about quality of links. This may protect against interferences (hums, noise, oscillation) generated by long cable distances.