Build your own sound powerhouse with the Drill Train Horn DIY Kit. Designed for enthusiasts and tinkerers, this kit includes everything you need—except the drill—to assemble your own horn gun. Featuring a premium air compressor, metal trumpet, remote control module, and control board, it’s compatible with most major 18V–24V drill brands. Just add your own drill and battery to unleash a 150db blast of raw sound. Perfect for custom setups and hands-on users who want to create their own loud statement.