- Model: MA-412
- Brand: JDM
- Category: Power Amplifier
Select switch (Z1 ~ Z4) for 4 zones with multiple announcement- E.Q. adjusting volume per each zone- Output adjusting volume and LED level meter for each zone- Output monitoring headphone / speaker select switch for each zone- Chime and siren are controlled by external remote contactor- Phantom power switch for microphone input (ON/OFF)- Paging input terminal, paging announcement link select switch for each zone- Input terminal for local announcement, first priority against main signal- Terminal for spare amplifier to stand-by for each zone- Extension amplifier to increase output power for each zone- P.T.T microphone input terminal for emergency announcement, link select switch for each zone- Remote control system by RJ 45 connectorType: RS-485, Distance: Max. 1.2Km)Extension: Connecting 32pcs of remote controller- Select switch for output impedance (70V/100V)- 3 wire / 4 wire system for speaker wires- Built in amplifier fault detector circuit- Volume override DC 24V output terminal for emergency situation- Built in power saving circuit to reduce of power consumption on stand-by mode of amplifier with no signal (23W)