Home > Sirens & Speakers > Sirens > Whelen 295SLSA1 Hands-Free Siren

• Selectable 100 or 200 watt output.
• “Park-Kill” feature disables the siren when the vehicle is in park.
• Volume control knob on faceplate standard.
• 21 Scan-Lock Siren Tones.
  • User selectable siren tones at time of installation via a momentary switch located on the back of the unit secures siren tones for agency standarization.
  • Customize the placement of each siren tone on the rotary knob.
  • Two manual functions allow for additional siren tone choices.
• PTT (push to talk) switch on microphone overrides all siren functions.
• Pre-wired unidirectional microphone.
• SI TEST, silent diagnostic test.
• 5 year HDP (Heavy-Duty Professional) factory warranty.
• Size: 2-1/2" (64mm) H x 6" (152mm) W x 6-7/8" (175mm) D.
• Weight: 5 lbs. (2.27kg)