Preferably to have the air horn installed by a trained technician. WHEELS ON THE BUS. 6 air horns. - 6 mm connection for air hose. -Requires Air Compressor: 1 or 2 Bar. - Red = + power. Maximum pressure: 11 bar.
The "120dB Air BASURI Horn HDV 6 Trumpet Truck Lorry Bus 22 melody Music Horn" would be best fit for large public events where high-volume sound amplification is required, such as truck rallies, festivals, or public concerts.
