The basic EQ settings can be customized and you can select Jazz, Pop, Rock, Classic, Flat for rich stereo effects. The work power of the bluetooth boat stereo is DC 12V EASY INSTALLATION & WIDE APPLICATION: The marine receiver dimensions (L x W x D): 6.1″ x 4.1″ x 1.6, widely compatible for boat and off-road vehicle, automobile, ATVs, UTVs, RVs, golf carts, ski boat, yacht, fishing boats, cuddy cabins, motorcycles, powersports vehicles, marine watercraft, heavyduty cars, outdoor spa pools and more.