The Whelen 295HFSA6 is a siren amplifier and power control center engineered for emergency vehicle integration. It delivers selectable 100 or 200 watt output and manages siren functions, auxiliary lighting, and accessory control through a unified control head. Hands-free operation via the vehicle’s horn ring enables drivers to activate siren tones—WAIL, YELP, PIERCER, and On/Off modes—without manual intervention. The unit combines a four-position slide switch controlling a 20 amp circuit with six push-on/push-off switches (one momentary), each activating independent 10 amp outputs. The sixth push button supports multiple dip-switch configurations: momentary, 8-second timer, latch-on/latch-off, or flasher modes. Park-Kill functionality prevents accidental siren activation when the vehicle is parked. A timed-out relay manages accessory control, while SI Test® provides silent self-diagnostic indication of siren or speaker failure. The pre-wired unidirectional microphone includes adjustable volume control, and radio repeat volume is independently adjustable. Surface or under-dash mounting accommodates various installation requirements via an adjustable bail bracket. Locking quick-disconnect plug simplifies service and replacement. LED indicators on the slide switch and push buttons display operating status, with customizable press-on legend tabs (36 options) enabling operator preference configuration. The 295HFSA6 meets or exceeds Class A requirements of SAE, AMECA, KKK1822, and California Title XIII specifications.
Technical Specifications
• Product Type: Siren Amplifier and Power Control Center
• Power Output: Selectable 100 or 200 watt output
• Slide Switch Circuit: 20 amp output
• Push-Button Circuits: Six outputs at 10 amp each
• Control Options: Hands-free operation via horn ring; dip-switch configuration for full pursuit mode and 3-position program pattern
• Mounting: Surface or under-dash control head with adjustable bail bracket
• Connectivity: Locking quick-disconnect plug
• Microphone: Pre-wired, removable unidirectional with adjustable volume control
• Radio Repeat: Adjustable volume control
– Key Features
• Siren tone control (WAIL, YELP, PIERCER, On/Off) via horn ring or manual switches
• Park-Kill feature disables siren when vehicle is in park
• SI Test® self-diagnostic for siren/speaker failure detection
• Sixth push button supports momentary, 8-second timer, latch-on/latch-off, and flasher modes
• Timed-out relay for accessory management
• Color-coded LED indicators for switch status
• 36 customizable press-on legend tabs
– Typical Applications
• Emergency vehicle siren and lighting control
• Accessory activation and sequencing
• Secondary warning system management
– Compatibility & Integration
• Meets SAE, AMECA, KKK1822, and California Title XIII Class A requirements
• Designed for emergency response vehicle platforms
