MTX Audio Universal Sound Bar The MTX Universal Sound Bar is a universal sound bar solution that is designed to deliver exceptional audio quality to any vehicle. This all-in-one unit includes six total speakers, four 3" full-range drivers and two 1" high-frequency tweeters. All speakers are connected to an internal power amplifier that delivers all of the power you need to hear your music whether you are on land or water.Play music directly from your smartphone or tablet via an external 3.5 mm input. Additionally, the unit includes a 3.5 mm auxiliary output allowing you to integrate an external amplifier and subwoofer if desired for even greater sound coverage.Four 3" full-range speakers and two 1" HF tweeters.All-weather construction for use on any v The universal mounting clamps can be used on the top, bottom, or back giving you multiple options for installation.