The DS18 MRX2 is built for boats, UTVs, golf carts, and off-road beasts. Its IPX6 waterproof design, Gorilla Glass screen, and UV-resistant faceplate make it ready for any environment â rain, salt, or sun. Stream It Your WayBluetooth 5.0, USB, and AUX give you multiple ways to play your music. Stream straight from your phone, load up a USB (up to 64GB), or plug in directly. Full-Zone ControlRun a complete system with 4V pre-amp outputs for front, rear, and subwoofer. Dual RCA zone outputs let you split audio between two zones. Set your levels, fade your zones, dial in your sub, and hit play. Built-In PowerDrive your system with 15W x 4 RMS @ 4 ohms or 25W x 4 RMS @ 2 ohms. Perfect for powering entry-level speakers directly or step it up with external amps using the high-voltage RCA outs. More Than MusicTune in to AM/FM/WB radio with preset stations and CT sync time control. Adjust bass, treble, balance, fade, EQ presets, and sub crossover, all from the easy-to-read backlit display with lit buttons for night visibility.• Marine and Powersports Head Unit• 3" LCD Display• USB, Bluetooth, AUX• 2 Zones â F/R/SUB RCA• 4 x 50 Watts• Water-Resistant IP65SpecificationsOperating Voltage: 10.5 - 16V DCWaterproof Rating: IP65Display Type: LCDAudio Max Power Output: 50W x 4 @ 2 ohmFrequency Response: 20Hz - 20kHzDimensions: 11.75" x 7.5" x 5" Bluetooth 5.0, USB, & AUX give you multiple ways to play your music Dual RCA zone outputs let you split audio between two zones Adjust bass, treble, balance, EQ presets, & sub crossover | DS18 MRX2 Marine Head Unit with 3" LCD Screen in Blue