A 4 input 4 output 4 wire box with 2 IFBs and extra features.
- Switchable open talkback on output four.
- Four wires 1 & 2 operate as IFBs without loss of four wire inputs.
- Talk keys momentary (down) and latching (up).
- Rear panel switch to defeat key latching.
- LED talk key indicators.
- LED VOX indicators.
- Auto speaker off when headphone jack inserted.
- Earth lift switch.
- Rear panel speaker off switch.
- Selectable 12 volt phantom power on mic XLR.
- Rear panel multiturn mic output level trimmer
- Rear panel speaker on/off switch.
- 2.5 watt RMS power amplifier.