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ROCKER 228H AIR HORN KIT HK-S2-228H

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Product Description

As the loudest air horn kit on the market, our Rocker 228H air horn kit rocks the most power you can fit in an air horn kit this size. If you are limited on space or just looking for something different from your typical train horn sound (without sacrificing the volume), our Rocker 228H air horn kit is the go-to choice!

Our Rocker 228H air horn kit features our Rocker air horn: two out of the four bells that make up our legendary Shocker XL train horns. The only reason they’re not classified as train horns is that they include 2 out of the 4 notes required for the train horn chord that our Shocker XL train horns consist of...but be assured they still bring an insane amount of volume! Made from a fiberglass-reinforced ABS composite, our Rocker air horn is two individual horns that are incredibly light and durable enough for us to back them with a lifetime manufacturer's defect warranty!

We paired our Rocker air horns with our HornAir 228 air source unit to bring you a kit that is not only extremely powerful but compact enough to fit inside a truck or toolbox. All your fittings are pre-plumbed and your pressure switch and compressor are already wired, so installation is quick and easy. Rocker 228H air horn Kit’s 2-gallon tank supplies your Rocker air horns with enough air to get 5-6 seconds of honk time and the tank-mounted Viair 280C air compressor recovers your tank from 110-145 PSI automatically in only 1 minute and 15 seconds!

As with all HornBlasters kits, our Rocker 228H air horn kit comes complete with all required components and detailed instructions.

(Note: Tank mounted air compressors are not fully sealed. For this reason, the manufacturer recommends the tank/compressor system be mounted in the upright position in an enclosed space away from moisture, dirt, debris, etc... Failure to mount this product as directed will void the warranty)

**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. **

  • Lightweight & Extremely Loud
  • Rust-proof Stainless Steel Diaphragms
  • Compact Design For Even The Tightest Spots
  • All Standard Mounting Hardware
  • Max Honk Time: 5 to 6 Seconds

  • Part Number: HK-S2-228H
  • Horn: Shocker S2 Dual Air Horns
  • Material: High-Impact ABS
  • Horn Length: B3 14.75" (374.65 mm) B4 12.75" (323.85 mm)
  • Horn Flare: 5"(127 mm)
  • Weight: 2.25 lb (1.02 Kg)
  • Horn Air Inlet Size: ⅛″ M NPT
  • Air Source Unit: HornBlasters 228H Air Source
  • Working Pressure: 145 PSI
  • 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: HornBlasters 2.0 Gallon 5 Port Tank
  • Volume: 2.0 gal (8.8 L)
  • Air Source Kit Compressor: HornBlasters 280 Air Compressor
  • Voltage: 12 volts DC
  • Max Amperage: 19 amps
  • Maximum Duty Cycle: 30% @ 100 PSI
  • Operating Pressure: 150 PSI

PSI CFM A BAR LPM A
0 1.59 10 0 45.0 10
10 1.49 12 1.0 40.2 13
20 1.33 13 2.0 32.1 14
30 1.11 14 3.0 29.0 15
40 1.04 15 4.0 26.4 16
50 0.99 15 5.0 24.2 16
60 0.92 16 6.0 22.0 17
70 0.87 16 7.0 21.0 19
80 0.81 17 8.0 19.4 18
90 0.76 17 9.0 17.5 17
100 0.74 19 10.0 15.3 17
110 0.71 19
120 0.67 18
130 0.62 17
140 0.57 17
150 0.51 17

* Supply Voltage: 13.8 Volts

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