LCD Display Gauge Receiver. 3.73″D x 4.53″W x 4.53H. Bluetooth – Play and control music through your smartphone or MP3 player as well as apps like Spotify / Pandora, wirelessly. Weatherproof – The MGR300B has been outfitted with the latest weatherproofing techniques such as PC board with conformal coating. Illuminated Controls – Let there be night! Navigate through the system with ease after the sun goes down with the backlit panel. Inputs – The USB port provides a vast audio library. Charge USB compatible devices. The auxiliary input is compatible with audio output from smartphones and MP3 players. Outputs – One pair of RCA Pre-Amp. Specs – Dimensions: 3.73″ x 4.53″ x 4.53, Weight: 1.34 lbs. Switchable US & EU Tuner Frequencies, 60 Watts × 4 Channels. We strongly encourage professional installation of this product to ensure proper and safe functionality. Take your tunes with you on the water with the BOSS Audio Systems MGR300B Weatherproof marine gauge Mechless (No CD/DVD) receiver. Bluetooth technology lets you play and control your favorite music apps. State-of-the-art weatherproofing materials and UV coatings provide protection from the elements. Bluetooth Audio Streaming: Stream and Control your Favorite Music APPs. Compatible with Audio Output of Smartphones & MP3 Players, Rear Pre-Amp Outputs. Switchable US & EU Tuner Frequencies. IPX5-Rated (Water-Resistant / Dustproof) Conformal Coated PCB. Radio Preset Memory (Retains Memory if Battery is Disconnected). 60 Watts × 4 Channel, Update Via USB. Cutout Diameter: 3.13 (79.5 mm). Wirelessly stream audio via Bluetooth from compatible devices so you can listen to streaming music services such as Spotify and Pandora through your system. High-tech, state-of-the-art waterproofing materials plus special UV coatings for plastic surfaces, coated circuit boards and connections ensure these marine and outdoor products are corrosion resistant and protected against harsh elements. Our units without a CD mechanism are ideal for listening to digital media files from SD Cards, USB drives, and external devices such as smartphones through the auxiliary input. Supports USB flash drive files up to 32 GB for music playback. Charge USB connected devices through the built-in 1A charger. The Aux Input allows you to connect to the audio output of an external device such as an MP3 Player or smartphone so you can enjoy your music through your system. The selectable tuner function allows you to adjust this receiver’s tuner to receive radio broadcasts in either the US or Europe. We offer the best prices around on high quality products. Our E-store includes media such as books, movies, music and games while offering electronics, toys, sporting apparel, clothing, tools, general home, garden items and more. We are always working hard to ensure your package arrives as soon as possible. We do not accept P. Please provide a physical address. We try our very best to make sure every customer is completely satisfied. If there’s a problem, message us! We’re happy to help.