Audio Sample:

The Destroyer KM-165 Air Horn

Authentic Battleship Horn!


Suggested Addons
Add 1/2" Brass Electric Valve Kit Tooltip
Everything you need to hook-up your train horn to an existing onboard system.
Add 1/2" Manual Valve Kit Tooltip
Feather your sound just like a conductor with our 1/2" Manual Valve Kit.
Add HornAir 544K Onboard Air System Tooltip
Complete Constant Duty Onboard Air System capable of moderate pneumatic use. This system also features our 5-Gallon Air Tank and a Viair 444C Stealth Black Air Compressor!
Add HornAir 5485K Onboard Air System Tooltip
Complete Premium Air System capable of quick filling and moderate pneumatic use. This system features our 5-Gallon Air Tank and a Viair 485C Air Compressor!
Add HornAir 8485K Onboard Air System Tooltip
Complete Premium Air System capable of heavy duty pneumatic use. This system features our 8-Gallon Air Tank and Dual Viair 485C Air Compressors!


We know why you're here. You're looking for a huge horn that's super loud and trains are just not a big enough vehicle to take them from. You need the horn off something bigger. Louder. Guess what? You found it!

The Destroyer KM-165 Air Horn has no business being on a road vehicle. This horn is designed for battleships up to 246 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 advanced level grade-A horn honkery.

  • 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 Destroyer KM-165 Air Horn (Kahlenberg KM165)
  • Horn: The Destroyer KM-165 Air Horn
  • Fundamental Frequency: 165 Hz
  • Audibility Range: 2 Nautical Miles
  • S.P.L. Output: 145 dB(A)
  • Air Consumption: 50L/sec [106 SCFM]
  • Horn Length: 34" (864 mm)
  • Horn Width: 18" (457 mm)
  • Horn Height: 18" (457 mm)
  • Horn Weight: 31 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