HornBlasters Rocker 228H Air Horn Kit

$ 509.99

Hear these horns now! Overview 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...

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Hear these horns now!


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 manufacture'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 blast them for 5 seconds and the tank-mounted Viair 280C Air Compressor recharges 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...)

  • Lightweight & Extremely Loud
  • Rust-proof Stainless Steel Diaphragms
  • Compact Design For Even The Tightest Spots
  • All Standard Mounting Hardware
  • Max Honk Time: 5 to 7 Seconds
    • Part Number: HK-S2-228H
    • Horn: Shocker S2 Dual Air Horns
    • Material: High-Impact ABS
    • Length: B3 14.75" (374.65 mm) B4 12.75" (323.85 mm)
    • Flare: 5"(127 mm)
    • Weight: 2.25 lb (1.02 Kg)
    • Fitting Size: ⅛″ M NPT
    • Air Source Unit: HornBlasters 228H Air Source
    • Working Pressure: 145 PSI
    • Air Source Length: 19.0″ (381 mm)
    • Air Source Width: 6.0″ (152.4 mm)
    • Air Source Height: 13.0″ (330.2 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)
    • Ports: 5 x ¼″ NPT Ports
    • Tank Length: 19″ (381 mm)
    • Tank Width: 6″ (152.4 mm);
    • Tank Height: 7.4″ (215.9 mm)
    • Tank Weight: 10.5 lb (3.92 Kg)
    • Air Source Kit Compressor: HornBlasters 280 Air Compressor
    • Voltage: 12 volts DC
    • Max Amperage: 16 amps
    • Maximum Duty Cycle: 30% @ 100 PSI
    • Maximum Working Pressure: 150 PSI
    • Compressor Length: 7.8″ (165.1 mm)
    • Compressor Width: 3.95″ (88.9 mm)
    • Compressor Height: 6.35″ (114.3 mm)
    • Compressor Weight: 6.6 lb (2.31 Kg)
    Performance Data / Fill Rates
    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

    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

    Diagrams / Manuals
    Refunds, Returns, & Warranty
  • Money-Back Guarantee/Refund Policy
    All merchandise unless otherwise indicated may be returned within 30 days from the shipment arrival date for a refund. A Returned Merchandise Authorization (RMA) number is required for all returns. A 15% restocking fee may apply. Additional deductions may be made to reflect the products current market value. These terms apply to all refunds. Most products are shipped with a refund/replacement guarantee period unless otherwise noted in the product listing. Customers must inform HornBlasters.com of any order discrepancy within 7 days from the invoice date so that we may investigate and resolve the situation accordingly.
  • Warranty
    This Kit is backed with a 1 Year Manufactures Defect Warranty!
  • HornBlasters.com Satisfaction Guarantee
    HornBlasters.com offers our customers a 30-day satisfaction replacement or refund guarantee on all purchases, except when otherwise noted in the product listing.
  • Cross-Shipments
    HornBlasters.com will not cross-ship returned merchandise.
  • Physical Damage Policy
    Physical damage to any product purchased at HornBlasters.com will effectively void warranty coverage. Physical damage includes but is not limited to improper handling and/or any other type of damage sustained by irregular usage.


    Use this product in a safe and responsible manner, at a distance of at least 100 feet from others.

    Proper hearing protection must be worn when using this air horn. Hearing loss or permanent damage may result from unsafe use.

    Never operate this product in a closed environment or close to pedestrians or others.

    It is the consumer's responsibility to comply with local noise ordinances and D.O.T. sound level laws.


    This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.


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