AH-D300+ Detachable Chrome/Brass 3-Tone Train Horn Assembly
Key features
- Detachable trumpets: Plan around tighter or custom layouts by mounting the trumpets away from the manifold with the correct hose kit.
- Three-tone design: Three trumpets create the bold sound of a train horn assembly.
- Chrome-plated brass: The trumpets have a polished chrome-plated finish.
- Push-button activation: The 12V DC solenoid valve supports push-button horn activation.
- Inlet hose included: The assembly includes an inlet hose; a remote-mount hose kit is a separate selection.
AH-D300+ Detachable Chrome/Brass 3-Tone Train Horn Assembly is backordered and will ship as soon as it is back in stock.
AH-D300+ Detachable Chrome/Brass 3-Tone Train Horn Assembly is backordered and will ship as soon as it is back in stock.
Description
Description
Product Overview
Add a detachable three-tone train horn to a custom vehicle installation with the Aggressor Air Horns AH-D300+. Its chrome-plated brass trumpets can be positioned separately from the manifold when used with a separately selected remote-mount hose kit.
Key Features & Benefits
- Detachable trumpets: Plan around tighter or custom layouts by mounting the trumpets away from the manifold with the correct hose kit.
- Three-tone design: Three trumpets create the bold sound of a train horn assembly.
- Chrome-plated brass: The trumpets have a polished chrome-plated finish.
- Push-button activation: The 12V DC solenoid valve supports push-button horn activation.
- Inlet hose included: The assembly includes an inlet hose; a remote-mount hose kit is a separate selection.
Technical Specifications
| Brand | Aggressor Air Horns |
|---|---|
| Model | AH-D300+ |
| Product type | Detachable 3-tone train horn assembly |
| Trumpet sizes | 10.5-inch, 14.5-inch, and 15-inch |
| Trumpet material and finish | Chrome-plated brass |
| Solenoid valve | 12V DC, with 1/2-inch inlet fitting |
| Sound rating | 130 dB at 110 PSI |
| Included | Inlet hose |
| Remote-mount hose kit | Selected separately for detached trumpet mounting |
Why Choose This Product?
The AH-D300+ combines three different trumpet lengths with a detachable manifold arrangement. That gives you more flexibility to plan a custom installation while keeping the trumpet assembly’s three-tone train horn design.
Installation & Compatibility Notes
This assembly is designed for custom vehicle installations. Check available mounting space and air-system requirements before installation. If you position the trumpets away from the manifold, select the correct remote-mount hose kit separately.
Frequently Asked Questions
What sound rating does the AH-D300+ have?
It is rated at 130 dB at 110 PSI.
What are the trumpet sizes?
The three trumpets measure 10.5 inches, 14.5 inches, and 15 inches.
Can I mount the trumpets away from the manifold?
Yes. Detached mounting requires the correct remote-mount hose kit, which is selected separately.
What hose comes with the assembly?
An inlet hose is included. The remote-mount hose kit is separate.
What should I check before installation?
Check your vehicle’s mounting space and air-system requirements for your planned layout.
Explore More
Shop with 12 Volt Outlet for the Aggressor Air Horns AH-D300+. Want to learn more about Aggressor? Explore our Aggressor brand profile (opens in a new tab).

