Whelen Epsilonâ„¢ Series Siren , Full Function Hands-Free With Diagnostixâ„¢ And 9 Scan-Lockâ„¢ Siren Tones, For Up To Two 100 Watt Speakers, 6 Switches


The Epsilon Siren Series provides a wide range of features in a low cost siren that meets SAE Class A sound requirements and is California Title 13 compliant.

Epsilon provides hands-free operation, public address, Scan-Lock™ multiple warning tones and real time Diagnostics!


  • Full featured, self-contained electronic siren
  • Hands-free operation from the vehicle steering wheel
  • Programmable outlets
  • Long lasting LED backlighting
  • Compact design, includes noise-cancelling microphone
  • Scan-Lock™ siren tone programming with nine tones to choose from
  • Harmonically rich composite airhorn tones
  • 7 position rotary switch function selector allows choice of standby for use with the manual button, manual tone 1 & 2
  • Hands-free position allows horn ring control inputs for operation of the siren and tone 1, 2 and 3 positions
  • Each tone position has an override tone when the manual button is depressed
  • Non-destructive short circuit protection
  • PA override
  • California Title 13 compliant profiles
  • Real time diagnostics indicator. When the indicator is steady, siren is operating correctly. If it single flashes, speaker is short circuited; and, if the indicator is off, speaker is under current.
  • Front of unit provides a PA volume control knob for the noise-cancelling microphone, On/Off switch, manual button and 7-position rotary switch
  • Easy to install. Pre-wired with quick disconnect plug for easy service and prompt replacement
  • Twenty-four month warranty from Whelen
  • Speaker diagnostic indicator
  • 200 watt amplifier with 6 On/Off LED lighted toggle switches, operates up to two 100 watt speakers (replaces EPSL2S4)