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Key Features

  • 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.
ABN: 47087992372

Copyright 17 October 2026 Gyross Pty Ltd