4 Trumpet Train Horn Kit, 150 dB, 12V, 6 L Tank

VEVOR 4 Trumpet Train Horn Kit, 150 dB, 12V, 6 L Tank

Wholesale price, no minimum order

Key Features

Sound

four trumpets with a rated maximum of 150 dB, the deep multi-tone blast associated with a train horn.

Air supply

6 L tank fed by a 190 W 12 V compressor with an integrated pressure switch.

Pressure switch

starts at 90 psi and cuts off at 120 psi, so the tank refills without a manual valve.

Weather resistance

steel tank with a rust-resistant coating, a 120 C heat-resistant PA air tube, and motor overload protection rated to 100 C.

Install kit

horns, compressor, air tube, mounting brackets, rubber pads, fuse, bolts, nuts, washers and a manual.

In stock

📦 Free shipping to the 48 contiguous US states · Ships within 1-3 business days, arrives in 2-5 business days · 30-day returns and manufacturer warranty

SKU: QLBYCQGTZ12VRGCVHV9 Category: Automotive Tools

Quick Answer

This is a 12V four-trumpet train horn kit with a 6 L (1.6 gal) air tank, a 190 W compressor and a rated maximum of 150 dB. The pressure switch starts the compressor at 90 psi and stops it at 120 psi. The box includes the horns, compressor, air tube, fuse and mounting hardware.

Description

At a Glance

12V four-trumpet train horn kit with a 6 L tank and 190 W compressor. Rated to 150 dB, pressure switch 90 to 120 psi, mounting hardware included.

6 L / 1.6 galTank capacity150 dBMaximum sound level12 VVoltage190 WCompressor power90 to 120 psiWorking pressure4TrumpetsHS-660Model

4 Trumpet Train Horn Kit, 150 dB, 6 L Tank

A train horn kit is an air system, not just a horn. This one pairs four trumpets with a 6 L (1.6 gal) tank and a 190 W 12 V compressor. The horn is rated at a maximum of 150 dB, and the pressure switch keeps the tank between 90 and 120 psi.

It runs on 12 V. The kit is designed for a vehicle or boat with a 12 V electrical system. Check the alternator and battery before adding a high-current accessory, and use the supplied fuse on the power lead.

What the tank size changes

The trumpets are the same four-horn design across the range. The tank is what changes the character of the blast.

3 L: short, sharp blast; fast refill; lightest kit.
6 L: about twice the air reserve, so a longer blast holds its note.
10 L: the largest reserve and a higher 110 to 160 psi range, with a 280 W compressor to match.

The 6 L tank holds roughly twice the air of the 3 L kit, so a long blast does not run out as quickly and the compressor cycles less often. This kit suits a full-size truck or off-road vehicle with room for a longer tank.

How the air system works

The compressor fills the tank until the pressure switch reaches 120 psi, then stops. When pressure falls to 90 psi, the switch restarts the compressor. A gauge on the tank shows the live pressure, and the tank has a drain point for moisture.

Drain the tank regularly. Air carries water vapor, and condensation sitting in a steel tank is the main cause of early failure. Open the drain after a damp or cold run and let the tank empty.

Mounting the horns and compressor

Choose a dry, sheltered place for the compressor, away from exhaust heat and road spray.
Mount the horns facing forward with the openings slightly down, so water can run out.
Use the rubber pads and brackets to isolate vibration. Tighten the mounts without crushing the trumpet bodies.
Run the air tube with a gentle bend, away from sharp edges and moving suspension parts.
Wire the compressor through the supplied fuse and relay, with a solid ground to the chassis.
Test the system in open air before closing any panels. Keep your ears away from the trumpets.

Noise and road rules

150 dB is far above the level of a normal car horn. Use hearing protection when testing, and never point the horns at people or animals at close range. Train horns are restricted or prohibited for on-road use in some states and countries; check local rules before fitting one to a street-driven vehicle.

What is in the box

Four trumpets, the 6 L tank with compressor, air tube, horn mounting bracket, safety mounting bracket, rubber pads, fuse, PTFE tape, M6 bolts, nuts and washers, and a manual.

Ordering

One kit, wholesale pricing. The listed price is our wholesale rate for one complete kit. There is no minimum order quantity and no separate tier price, so one kit and several kits cost the same per kit.

Performance & Applications

Specifications

Brand	VEVOR
Item Model Number	HS-660
Voltage	12V
Power	190W
Working Pressure	ON 90 psi-OFF 120 psi
Tank Capacity	1.6 gal/6 L
Maximum Sound Level	150 dB

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Frequently Asked Questions

Q: How loud is the horn?

A: The rated maximum is 150 dB. That is much louder than a standard car horn, so use hearing protection when testing and keep the trumpets away from people at close range.

Q: What does the 90 to 120 psi range mean?

A: The pressure switch restarts the compressor at 90 psi and stops it at 120 psi. The tank refills automatically while the vehicle is running.

Q: Will it fit my vehicle?

A: It fits vehicles with a 12 V electrical system and enough room for the tank and horns. Measure the space before ordering; the 10 L kit needs the most room.

Q: Is the compressor included?

A: Yes. The kit includes a 190 W compressor, the 6 L tank, the four trumpets and the air line.

Q: Can I install it myself?

A: The kit is a bolt-on air system, but it needs a fused power feed, a relay, a ground and a dry mounting spot. If you are not comfortable with vehicle wiring, have it installed by a 12 V accessory shop.

Q: Does it come with a switch?

A: The pressure switch that controls the compressor is included and pre-mounted on the tank. The power switch and the horn button are not included; the installer supplies and wires them.

Q: Can I use it on the road?

A: Train horns are restricted or prohibited for on-road use in some states and countries. Check your local vehicle and noise rules before fitting one to a street-driven vehicle.

Q: How often should I drain the tank?

A: Drain it after damp or cold runs and at least once a month. Condensation inside a steel tank is the main cause of corrosion and valve problems.

Q: What is the difference between the 3 L, 6 L and 10 L kits?

A: The tank and compressor scale up. The 3 L kit is the compact option, the 6 L kit holds about twice the air, and the 10 L kit runs a higher 110 to 160 psi range with a 280 W compressor.