The Rocker 127H air horn kit is designed for drivers who demand both exceptional sound clarity and a reliable onboard air system. This kit stands out with its ability to produce a loud and penetrating sound, essential for ensuring safety in noisy environments. Additionally, the Rocker 127H offers a robust air system capable of various functions beyond just honking the horn. It's fully weather-resistant and versatile enough to be mounted anywhere on your vehicle, making it ideal for any driving condition.
Equipped with a 1.5-gallon air tank and a pre-installed air compressor, the Rocker 127H is not only perfect for delivering long-lasting honks but also provides the capability to inflate tires and operate small air tools. This makes it an indispensable tool for road trips, daily commutes, and off-road adventures. Whether you're looking to enhance safety or functionality, the Rocker 127H air horn kit is designed to meet your needs.
**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-S2-127H |
| Operating Pressure | 120 PSI |
| Restart Pressure | 90 PSI |
| Voltage | 12-Volt DC |
| Horn | Rocker air horn |
| Material | High-impact fiberglass reinforced ABS |
| Length | Bell #1 14.75" (374.65 mm) Bell #2 12.75" (323.85 mm) |
| Horn Flare | 5"(127 mm) |
| Horn Weight | 2.25 lb (1.02 Kg) |
| Air Source Unit | HornBlasters 127H air source unit |
| Air Source Length | 15.2″ (386.08 mm) |
| Air Source Width | 5.9″ (149.86 mm) |
| Air Source Height | 12.8″ (325.12 mm) |
| Air Source Weight | 13.75 lb (6.24 Kg) |
| Air Tank | 1.5-gallon 4-port air tank |
| Volume | 1.5 gal (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
Get ready to rock with the loudest air horn kit on the market! The Rocker 228H air horn kit delivers power like no other in a compact size. Don't sacrifice volume for space, this kit gives you the best of both worlds!
Featuring the Rocker air horn with two of the four bells from our legendary Shocker XL train horns, this fiberglass-reinforced ABS composite duo is not only insane in volume but also light and durable enough for a lifetime warranty.
Paired with our HornAir 228 air source unit, this kit is not only powerful but also easy to install with pre-plumbed fittings, pre-wired pressure switch, and compressor. The 2-gallon tank supplies 8 seconds of honk time, and the tank-mounted 280C air compressor recovers 110-145 PSI in just 1 minute and 15 seconds.
**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-S2-228H |
| Operating Pressure | 150 PSI |
| Restart Pressure | 110 PSI |
| Voltage | 12-Volt DC |
| Horn | Rocker Air Horn |
| Horn Material | High-impact fiberglass reinforced ABS |
| Horn Length | Bell #1 14.75" (374.65 mm) Bell #2 12.75" (323.85 mm) |
| Horn Flare | 5"(127 mm) |
| Horn Weight | 2.25 lb (1.02 Kg) |
| Air Source Unit | HornBlasters 228H air source unit |
| Air Source Length | 18.9″ (480.06 mm) |
| Air Source Width | 5.9″ (149.86 mm) |
| Air Source Height | 13.7″ (347.98 mm) |
| Air Source Weight | 13.75 lb (6.24 Kg) |
| Air Source Kit Tank | 2-gallon 5 port air tank |
| Volume | 2.0 gal (8.8 L) |
| Air Source Kit Compressor | HB-2 air compressor |
| Max Amperage | 19 amps |
| Maximum Duty Cycle | 30% @ 100 PSI |
| 2.0 GALLON TANK | FILL RATE |
|---|---|
| 0 to 145 PSI | 3 min. 40 sec.(± 10 sec.) |
| 110 to 145 PSI | 1 min. 15 sec. (± 05 sec.) |
* Supply Voltage: 13.8 Volts
Get ready to make friends on the road with the Rocker air horn kit! Perfect for trucks, cars, or any other vehicles with limited install space, this kit comes with two of our iconic Shocker XL horns which pack a major punch. With a 2-gallon air system, you'll get 5-7 seconds of honk time that will grab the attention of anyone within earshot. And, in a pinch, the included air compressor can even air up a tire if needed. Don't settle for just any horn, upgrade to the Rocker air horn kit and make a statement on the road.
| Part Number | HK-S2-2 |
| Operating Pressure | 150 PSI |
| Restart Pressure | 110 PSI |
| Voltage | 12-Volt DC |
| Horn | Rocker air horn |
| Material | High-impact fiberglass-reinforced ABS |
| Horn Length | Bell #1 14.75" (374.65 mm) Bell #2 12.75" (323.85 mm) |
| Horn Flare | 5"(127 mm) |
| Air Tank | 2-gallon 6-port air tank |
| Tank Length | 17" (431.8 mm) |
| Tank Diameter | 6" (152.4 mm) |
| Tank Height | 8" (203.2 mm) |
| Tank Weight | 10 lb (4.54 Kg) |
| Max Amperage | 25 Amps |
| Maximum Duty Cycle | 100% @ 100 PSI |
| Compressor Length | 9″ (228.6 mm) |
| Compressor Width | 4″ (101.6 mm) |
| Compressor Height | 6.75″ (171.5 mm) |
| Compressor Weight | 6.95 lb (3.15 Kg) |

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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