Home > Sirens & Speakers > Sirens > Whelen 295SLSA1 Electronic Siren Amplifier

"Hands Free" lets you keep both hands on the wheel, both eyes on the road access three siren tones and On/Off. Scan-Lock feature lets you choose from 17 siren tones to preset during siren installation.

• Replaces 295HFSA1/B1/M1/W1/X1.
• Selectable 100 or 200 watt output.
• Hands-free operation plus 17 Scan-Lock siren tones to choose from.
• 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.
• "Siren in use" icon driver.
• Faceplate volume control knob.
• Five-year warranty on amplifier.
• Two manual functions allow for additional siren tone choices.
• PTT (push to talk) switch on microphone overrides all siren functions.
• Combination On/Off and horn ring transfer switch.
• Pre-wired unidirectional microphone.
• Optional plug-in microphone. Contact us.
• Adjustable preset radio repeat volume.
• Input polarity protection.
• Output short circuit protection.
• External spade-type fuse.
• Bi-polarity horn/ring control activation.
• "Aux Enable" activates siren tones via input (slide switch, power controls or relay-to-ground connection).
• Quick disconnect plug for ease of service or replacement.
• SI TEST, fully diagnostic silent test of amplifier and speaker(s).
• Adjustable intensity backlighting in soft LED non-glare green.
• Adjustable bail bracket allows the mounting of the siren in a
  variety of positions.
• Complements all Whelen's under dash products.
• 2-1/2” (63mm) H x 6” (152mm) W x 7” (178mm) D.
• Weight: 3 lbs. 12 oz. (1.7kg)