Guides
2 articles
Aug 23, 2026// 300DB
Temu and AliExpress “300 dB” Train Horns: Why Those Ratings Are Physically Impossible
Marketplace listings advertise “300 dB” train horns for $20 — but sound in Earth's atmosphere physically caps at 194 dB. Here's the real physics,...
Aug 08, 2026// 12V-HORNS
Electric "12V Train Horns" vs Real Air-Powered Train Horns: What Are You Actually Buying?
Half the "train horns" sold online are 12-volt electric horns that top out near 118 dB — not air horns at all. Here's how...