Standalone or Integrated Operation - Can operate independently or with the existing bus radio system.
Multiple Microphone Inputs - Three dynamic microphone inputs plus an optional electret microphone input.
12-24V DC Operation - Suitable for buses and coaches particularly where dash panel space is tight
Easy Removal & Reconnection - Original radio-to-speaker wiring can be restored simply by connecting the PL1 and SK1 eight-way connectors together when the ALS1 is removed.
Simple Push-Knob Control - Switch between radio and PA operation and adjust volume
BLUE - Normal Mode- Radio audio operates through the vehicle speakers.
GREEN - PA Mode- Microphone and auxiliary audio operate through the passenger saloon speakers, with driver speakers muted.