PRODUCT OVERVIEW
The HPK-150 Under Hood Stutter Horn System offers the same loud and legal* features and functionality as the HPK-100 In-Cab Stutter Horn System, but utilizes the HA-150 Un-der Hood Stutter Horn Amplifier for exterior, all weather installations. Compact and easy-to-install, the HPK-150 is ideal for any volunteer POV, motorcycle, ATV, or marine craft. It is also a cost-effective alternative for other service vehicles that are not equipped with compressed air horn systems.
SP-200 SWITCH PANEL
- Dual Horn Functionality: Easily switch between the standard vehicle horn and a louder, more powerful “Stutter” air horn.
- Illuminated Rocker Switch: Supports up to 15 amps for auxiliary light control with built-in backlighting for visibility.
- Simple Installation: Quick and easy connection to the amplifier and vehicle horn system.
HA-150 UNDER HOOD STUTTER HORN AMP
- Waterproof: Designed for reliable performance in harsh, wet environments.
- Ultra-Compact Design: Ideal for exterior-mount installation on any vehicle, saving space while maintaining functionality.
- Power Indicator Light: Built-in diagnostic light to confirm operational status at a glance.
- 100 Watt Electronic Air Horn Amplifier: Delivers powerful, attention-grabbing performance.
- Legal* for POV Use: Approved for personal and non-emergency vehicle applications in accordance with applicable laws.
- “Stutter” Air Horn Sound: Emits a sharp, distinct tone for maximum alert effectiveness.
- Flexible Wiring Options: Can be wired to a horn ring or separate switch (customer supplied).
- No-Hassle 5-Year Warranty: Peace of mind with long-term product support and reliability.
CSP-100B BASIC SPEAKER
- Slim, Hexagonal Shape: Designed for versatile and space-efficient installation options.
- 100 Watt, 11 Ohms: Delivers strong output and compatibility with most 100-watt siren amplifiers.
- Integrated Universal Mounting Bracket: Built-in bracket simplifies installation across a wide range of vehicles.
- Corrosion-Resistant Metal Housing: Black finish enhances durability and resists wear from harsh environments.
- Lightweight Construction: Weighs only 6 lbs. for easy mounting without added bulk.
- No-Hassle 1-Year Warranty: Backed by reliable coverage for peace of mind.

TOMAR's Envelope of Safety® Explained
Since 1969, TOMAR has had one primary focus – to provideequipment that can be relied on in an emergency to help save people and property. To focus on that mission while being a value-adder to our community and those we serve worldwide, TOMAR developed the Envelope of Safety®.
Learn MoreWhat is the The TOMAR Difference?
TOMAR manufactures some of the longest-lasting, highest-performing automotive warning and illumination lighting in the industry. The technology that sets TOMAR apart includes our patented T-Seal™ process (U.S. Patent Nos. US-8092044 and US-8282242) and our performance-driven Clear Vision Optics™ system.
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