BossHorn Train Horns
Battery-platform specialist building purpose-built portable train horns for Milwaukee M18, DeWalt 20V MAX, and Ryobi 18V tool ecosystems. The 2026 Boss Series brings dual-trumpet chord-tuned voicing to the cordless-tool platform.
About BossHorn
BossHorn is a US train horn brand that focuses specifically on battery-platform portable horns rather than tank-fed kits. The 2026 Boss Series — released this year — covers Milwaukee M18, DeWalt 20V MAX, and Ryobi 18V battery interfaces. Each kit is dual-trumpet (rare for portable horns; most competitors use single-trumpet) for a more authentic locomotive-chord voice from a battery-powered package.
The brand differentiator versus generic Amazon portable horns: chord-tuned dual-trumpet design, native battery integration (no voltage-conversion adapters), and a published peak SPL specification.
BossHorn 2026 Boss Series
- Boss Series · Milwaukee M18 — dual-trumpet chord, native M18 battery interface, 135–142 dB published output. Compatible with all M18 battery sizes (2 / 5 / 8 / 12 Ah HD).
- Boss Series · DeWalt 20V MAX — same dual-trumpet design with DeWalt 20V battery interface. Compatible with 2 / 5 / 8 / 9 Ah and FlexVolt 60V batteries.
- Boss Series · Ryobi 18V ONE+ — Ryobi battery interface variant for the homeowner / DIY ecosystem. Compatible with 1.5 / 4 / 6 / 9 Ah HP packs.
Pricing: $150–$300 per kit depending on platform and battery bundle. Output runtime depends on battery capacity — see our portable horn runtime calculator.
Why aftermarket buyers pick BossHorn
- Native battery compatibility. Direct battery interface for the major cordless platforms — no voltage adapter / converter required, fewer failure points.
- Dual-trumpet chord. Most portable horns are single-trumpet (one note). BossHorn's two-bell design produces a chord, closer to authentic locomotive sound.
- Run until battery dies. Like all battery-powered horns, BossHorn isn't time-limited per blast. A 5 Ah battery sustains horn use for 5–10 minutes continuously or 30–60 minutes intermittently.
- Dedicated train horn brand. Unlike Vevor / Viking generic-product retailers, BossHorn focuses entirely on horns — tighter QC and product specialization.
- US-based support. Direct manufacturer support; warranty on horn unit.
BossHorn vs. tank-fed alternatives
| Feature | BossHorn Boss Series | HornBlasters Conductor's 228H |
|---|---|---|
| Output (published) | 135–142 dB | 147.7 dB at 3 ft (verified) |
| Power source | Cordless battery (M18/20V/18V) | 12V vehicle alternator |
| Tank required | None — integrated | 2-gallon air tank |
| Install effort | Plug battery in, done | 4–8 hour vehicle install |
| Mobility | Fully portable | Vehicle-mounted |
| Price (kit) | $150–$300 | $650+ |
BossHorn trades peak SPL (~7-12 dB lower than Conductor's 228H) for portability, install simplicity, and ~50% lower cost. For non-vehicle applications (boating, off-road, shop alarm, emergency signaling) BossHorn wins. For permanent vehicle install with maximum loudness, tank-fed kits still lead.
Where to buy BossHorn
- BossHorn.com — direct manufacturer sales
- Amazon — select Boss Series variants
Related pages
Sources
- BossHorn.com — manufacturer site
- Milwaukee Tool — M18 platform reference
- DeWalt — 20V MAX platform reference
- Ryobi — 18V ONE+ platform reference
- Editorial methodology and disclosure
We do not perform hands-on testing. Output figures and pricing are from BossHorn manufacturer documentation — verify before purchase if peak SPL is critical to your application.