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The Battleship KM-135 Air Horn

Authentic Battleship Horn!


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We know why you're here. You're looking for the biggest, deepest-sounding horn on planet earth. Guess what? You found it!

The KM-135 Air Horn has no business being on a road vehicle. This horn is designed for battleships up to 656 ft. in length. BATTLESHIPS. Yeah. Aircraft carriers, that sort of thing. This is as deep and thundering of a sound we can offer. This is epic-tier horn blasting, not for beginners. 

  • Sheeeeeeeeeeeeesh!
  • Super rugged construction made from cast marine aluminum
  • Super loud - 143dB at only 120 PSI
  • Can be heard for up to 2.3 miles

**Units have to be delivered on a Pallet!! $125 Shipping fee will be applied after the order. Residential addresses that require a liftgate will be charged an additional $100 Fee.**

  • Genuine¬†battleship horn!
  • Made in the USA! Quality does matter!
  • The Battleship KM-135 Air Horn (Kahlenberg KM135)
  • Horn:¬†The Battleship KM-135 Air Horn
  • Horn Length:¬†42" (1066.8 mm)
  • Horn Width:¬†20" (508 mm)
  • Horn Height:¬†20" (508 mm)
  • Horn Weight:¬†45¬†lbs (14Kg)
  • Port:¬†3/4" NPT
  • 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 of any order discrepancy within 7 days from the invoice date so that we may investigate and resolve the situation accordingly.
  • Warranty
    This product is backed by our One Year Manufacturer's Defect Warranty!
  • HornBlasters Satisfaction Guarantee
    HornBlasters offers our customers a 30-day satisfaction replacement or refund guarantee on all purchases, except when otherwise noted in the product listing.
  • Cross-Shipments will not cross-ship returned merchandise.
  • Physical Damage Policy
    Physical damage to any product purchased at 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.

Warnings & Notices

Hearing Loss warning icon
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.

Safety warning icon

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