Our Summer Sale Is Here, Crank It Up! Give yourself the ability to amplify your ride with cutting edge performance audio for your mobile, car, marine, and powersports audio. MTX Audio can help you bring your audio dream to fruition, no matter how small or big your goals are. If you ready to get Serious About Sound™, MTX Audio is here to get you equipped for whatever your lifestyle holds! Below you will find our current special offers and sales that we are offering.