TS-WX400DA features two selectable Bass Modes: DEEP and DYNAMIC, producing strong, rich, deep bass you can feel. You can easily control and customize the bass output from the supplied wired remote control. DEEP Mode: Achieve rich, deep bass sound quality in the car. Suitable for Classic, Jazz, Country Music, etc. DYNAMIC Mode: Emphasize powerful, strong and dynamic bass sound in the car. Suitable for EDM, Hip-Hop, Rock Music, etc.