Stay safe on the road with the Safety 127H air horn kit, now featuring a weather-resistant air system versatile enough for inflating tires or powering small air tools, enriching its utility and performance. With the addition of two extra ports, this kit offers expanded functionality, allowing for the integration of additional accessories. At its core lies a single-chime metal air horn, designed to emit a potent, firetruck-like sound, ensuring your presence is unmistakably clear. For ease of use, a 1/4" electric air valve is pre-installed, streamlining the installation process.
Included in this kit is the HornAir 127H air source unit, a fully integrated 12-volt onboard air system equipped with a safety blow-off valve, drain cock, pressure switch, and compression fitting. This system is meticulously pre-plumbed and pre-wired for a hassle-free installation, offering both novices and seasoned users a straightforward path to enhancing their vehicle's safety and functionality.
**Detaching the compressor from the tank will void your warranty on this kit. If you need a solution where the compressor is detached, please look at our 232 and higher models. **
| Part Number | HK-S33K-127H |
| Operating Pressure | 120 PSI |
| Restart Pressure | 90 PSI |
| Voltage | 12-Volt DC |
| Horn | Safety air horn |
| Horn Length | 25.5" (647.7 mm) |
| Horn Width | 6" (152.4 mm) |
| Horn Height | 6" (152.4 mm) |
| Horn Air Inlet | Accepts 1/2" air line |
| Air Source Kit | HornBlasters 127H air source unit |
| Air Source Unit Length | 15.2″ (386.08 mm) |
| Air Source Unit Width | 5.9″ (149.86 mm) |
| Air Source Unit Height | 12.8″ (325.12 mm) |
| Air Source Unit Weight | 13.75 lb (6.24 Kg) |
| Air Source Kit Tank | 1.5-Gallon 4-Port Tank |
| Volume | 1.5 gals (6.6 L) |
| Air Source Kit Compressor | 2L Air Compressor |
| Max Amperage | 18 amps |
| Maximum Duty Cycle | 25% @ 100 PSI |
| 1.5 GALLON TANK | FILL RATE |
|---|---|
| 0 to 120 PSI | 2 min. 10 sec. (±10 Sec.) |
| 90 to 120 PSI | 35 sec. (± 5 Sec.) |
* Supply Voltage: 13.8 Volts
Stay safe on the road with the powerful Safety 232 air horn kit from HornBlasters. With a loud and distinctive fire truck horn tone, you'll make sure you are heard and seen by other drivers.
The Safety air horn is a single bell over two feet long, constructed from metal and finished in stealth black for a sleek look. It comes with a pre-installed 3/8" valve for easy installation.
This kit includes the HornAir 232 onboard air system, one of our most popular entry-level options that offers water resistance at an affordable cost. The 2-gallon air tank provides 5-6 seconds of honk time and thanks to the included constant-duty HornBlasters 3Q air compressor the system can recover from 110-150 PSI in under a minute.
| Part Number | HK-S33K-232 |
| Air System Operating Pressure | 150 PSI |
| Restart Pressure | 110 PSI |
| Voltage | 12-Volt DC |
| Horn | Safety air horn |
| Max Horn Operating Pressure | 120 PSI |
| Horn Length | 25.5" (647.7 mm) |
| Horn Width | 6" (152.4 mm) |
| Horn Height | 6" (152.4 mm) |
| Horn Weight | 5.2 lb (2.36 Kg) |
| Air Tank | 2-gallon 6 port air tank |
| Tank Ports | x4 1/4"NPT, x2 1/2" NPT |
| Tank Length | 17″ (431.8 mm) |
| Tank Diameter | 6″ (152.4 mm) |
| Tank Height | 7″ (177.8 mm) |
| Tank Weight | 10 lb (4.54 Kg) |
| Max Amperage | 20 Amps |
| Maximum Duty Cycle | 100% @ 100 PSI |
| CFM @ 0 PSI | 1.41 CFM |
| Compressor length | 10.1″ (256.54 mm) |
| Compressor width | 4.5″ (114.3 mm) |
| Compressor height | 7″ (177.8 mm) |
| Compressor Weight | 12.1 lb (5.48 Kg) |
| 12-VOLT COMPRESSOR | |
|---|---|
| 2.0 GALLON TANK | FILL RATE |
| 0 to 150 PSI | 3 min. 59 sec. (± 10 sec.) |
| 110 to 150 PSI | 1min. 33 sec. (± 05 sec.) |
* Supply Voltage: 13.8 Volts

Warnings & Notices
Hearing Protection Required
This product produces extreme loudness. Proper hearing protection must be worn at all times during its operation. Hearing loss or permanent damage may result from unsafe use. Use this product in a safe and responsible manner and at a distance of at least 100 meters from others. Never operate this product in a closed environment, in close proximity to living beings, or where prohibited by law.
Warning
This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
First Time Buyer's
If you’re new to horns or horn kits, our First-Time Buyer’s Guide is a great place to learn what to expect, how to install your kit, and how to choose the right setup. Our Install Gallery is also a great resource for getting inspiration for your application.
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