K-1R1 Bi-Directional Industrial Air Horn 140± 1 dBA@1 m

K-1R1 Bi-Directional Industrial Air Horn 140± 1 dBA@1 m

Bi-Directional, High Power Low Frequency Industrial Air Horn for industrial, mining, excavator, golf applications.  

Audibility coverage is 3 km on still air.

Kahlenberg K-1R1 Industrial Air Horn

Key Features

Sound Output 140 ± 1 dBA @ 1 meter
Sound Frequenzy 311 Hz ± 10 Hz fundamental frequency
Air Consumption 22 L/sec [45 SCFM] @ 7 bar [100 PSIG]
Dimensions 689x375x218mm
Net Weight 6.4 kg
Special Feature Bi Directional
Product Type Air horn

Features & Applications


  • Single tone, 311 Hz fundamental frequency
  • Designed to operate indoors as well as in the most severe outdoor applications
  • Simply constructed, reliable high power industrial air horn.
  • K-1R1 Powerful Air Horn is energy efficient with hermetically sealed stainless steel diaphragm assembly which operates on a wide range of pressure without tuning or adjustment.
  • Constructed with High strength aluminum casting, stainless steel diaphragm fasteners and diaphragm assembly.
  • High Power Air Horn Produces full harmonic contents up to 12 octaves in order to enhance warning effectiveness.
  • K-1R1 industrial air horn are a quality product made in the United States.
  • Also available as a High Power Single Air Horn



  • Quality made Kahlenberg Industrial air horns are powerful and backed by years of performance in industrial applications, coal plants, chemical plants and mines.
  • Excavators & Sporting clubs such as Golf Clubs where long range warning is required.
  • Air horn products are used throughout Australia especially when an alert siren or air raid siren just isn’t loud enough.

Technical Specifications

Name K-1R1 Powerful Industrial Air Horn
Sound Output 140 ± 1 dBA@1meter
Audibility 3 km (bi-directional) on still air
Fundamental Frequency 311 Hz ± 10 Hz
Construction High strength aluminum casting and stainless steel fasteners
Power Type Compressed Air
Operating Medium Air, nitrogen, CO2, 1/2” NPT inlet
Air Consumption 22 L/sec [45 SCFM] @ 7 bar [100 PSIG]
Control Manual, solenoid or combination valve
Degree of Protection IP 54
Operating Temperature -40ºC to 85ºC
Dimensions 689x375x218mm
Weight 6.4kg
Origin United States
Kahlenberg Industrial Air Horn High Power K-1R1 Industrial Air Horn

We distribute Australia-wide

Sirens & Horns is based in Brisbane, Queensland but we distribute our products all across Australia and can send select products across to New Zealand and Papua New Guinea.

Get started with a free quote.

Get in touch with our team to get a free quote. We’re happy to talk through your needs with you to help you find the best product for your application.