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Whelen Alpha SL Siren

The Whelen ALPHA SL Remote Siren, for use with Remote Switches (Purchased Separately), Selectable Four Tone Hands-Free Siren, For One or Two 100 Watt Speakers


  • Compact design is ideal for undercover and volunteer applications
  • Control siren tone through horn ring or separate switches Hands-free operation
  • Harmonically rich composite Airhorn tones Output open/short circuit protection
  • Easy to install Pre-wired with quick disconnect plugs for easy service and fast replacement
  • 18 Scan-Lock™ siren tones
  • Operates one or two 100 watt siren speakers
  • Five optional switch panels available. Will also operate from customer supplied switching controls