Description
Marco 112 320 12, TT2
Twin air horn for external mounting, complete with electric compressor, relay and fixing hardware. Metal chromed trumpets, particularly suitable for installation on vans, campers, pick-ups, offroad vehicles, etc.
Listen Twin air horn for external mounting
Features:
- Chromed metal
- External mounting
- Twin tone
Technical data:
- Voltage (V): 12
- Weight: 1,8 kg
- Hz: 378/422
- dB(A) (2m): 110
- Mouth (mm): 80
- Lenght (mm): 351
- Reference: Marco 112 320 12
- Type: TT2
Instructions:

The compressor must be mounted in a vertical position, far away from hot engine parts. Install horns slightly inclined downwards. The opening must not be blocked by other vehicle components. Wiring must be as indicated on our installation instructions; connections should be short to obtain minimum dropping of voltage. Air hose should be as short as
possible to ensure efficient working of the horns.
PAY ATTENTION TO THE POLARITY! Connect the positive terminal of the compressor to the positive of the electric system, and the negative terminal to the negative.
“HOT” LEAD TO HORN

1. Standard horn 2. Compressor 3. Existing fuse 4. Relay 5. Horn switch on steering wheel 6*. Fuse 7*. Selector switch * not included 8. Existing cable 9. New cable 10. Broken connection
GROUND LEAD TO HORN BUTTON

1. Standard horn 2. Compressor 3. Existing fuse 4. Relay 5. Horn switch on steering wheel 6*. Fuse 7*. Selector switch * not included 8. Existing cable 9. New cable 10. Broken connection
About MARCO
MARCO manufacture electric and air horns for cars, trucks and boats, as well as electric pumps for the transfer of various liquids.
These products are manufactured using the most advanced production equipment, such as spectrum analysers, vibrating stands, and other sophisticated instrumentation, including an anechoic chamber, for the development and testing of products.
Today the use of advanced technology enables MARCO to reach the highest International Quality Standards, allowing the creation of highly competitive products that are exported daily to over 80 countries.










