KORBROS Motorcycle Stereo Sound System with Built-In Amplifier, MP3 & USB - 12V Speakers for ATVs, Handlebar Mount

Built In Amplifier] - The motorcycle speakers is built In amplifier,no additional amplifier is required, this allows for less of a hassle and easiely for the installation.

[ATV Speakers] --The two 3-inch black full range motorcycle speakers have adjustable brackets that will fit handlebars ranging from 8.5in/21.6CM to 12.5IN/31.8CM[Motorcycle Radio]--This motorcycle speakers with professional radio antenna keeps you up to date with the latest information at all times

Dual Motorcycle Stereo Speakers Soundbar with solid metal housing with black chrome plate finish. High-Performance Power Amplifier Built-in, output power 20W×2. Superb Crystal Sound Quality.