Check out this fully equipped stereo head unit receiver from Enrock! It"s equipped with a dual-band radio (AM/FM), USB drive, and SD slot for digital music playback. Plus, you can hook up an external MP3 player using the front-panel 3.5mm aux jack. Adjust the sound to your liking using the built in EQs, or adjust bass, treble, fader, and balance. Display shows minute and seconds. Store up to 30 radio station presets. This head unit pushes 50 watts on each of four channels for a total of 200 watts maximum. Includes a fully functional remote control. The EKMRS12 is a "mechless" receiver, meaning it does away with the moving parts involved in playing back discs. It makes an ideal receiver for people who listen to most of their music in file form, whether directly from their computer, on iPods/MP3 players, etc. and don"t require CD or DVD playback. It seems like everyone has a few USB thumb drives sitting around these days. The EKMRS12 features a convenient front-panel USB port. Load up a thumb drive with your MP3/WMA favorites, and play them back directly from the device. Front-panel USB port, SD/MMC memory card slot, and auxiliary input for an abundance of listening options. The EKMRS12 also boasts a front-panel SD card slot--another option for enjoying those audio files. Easily swap in SD/MMC cards with different mixes of your favorite audio files. Enjoy your iPod or other MP3 player using the standard 3.5mm auxiliary input. Also included a 30 Radio Preset Station Memory - Front Aux Input - 200 Watts Total output- Wireless Remote Control Enrock EKMSW52 3 x Pair of White 100 Watts 5.25" 2 Way Marine Speakers - Total of 6 Speakers, Enrock EKMCW90 White Water Resistant Radio Shield, Pyle PLMRA400 White 4 Channel 400 Watt Waterproof Marine Amplifier,