Features 1、Weatherproof Design: Equipped with the latest weatherproof technology, such as a front panel UV coating and a PC board with a shape retaining coating, the Bluetooth marine digital media receiver boasts an IPX 6 splash proof rating, ensuring durability and guard against wind and rain. 2、Media Playback Options: Enjoy music playback via Bluetooth or USB port, tune in to AM or FM radio stations, and stay updated with the latest music, news, and sports. The marine boat stereo gauge receiver does not feature a CD mechanism, offering modern and versatile media playback options. 3、Enhanced Output Options: You can connect speakers or a subwoofer using the front and rear or subwoofer preamp outputs. The built in amplifier delivers a powerful 50 watts x 4 channel output, providing an immersive sound experience on your marine vessel. 4、Versatile Inputs: Access A/V inputs, switch between rear and front cameras (camera sold separately), utilize the USB port for sound or video files (supports up to 128GB), and enjoy compatibility with Aux in for sound output from smartphones and MP3 players. Additionally, the USB port allows for device charging, adding convenience to your marine entertainment setup. 5、Good Compatibility: The sound systems marine gauge receiver allows you to play and control music from your smartphone or MP3 player, providing convenient and seamless access to your favorite tunes while on the water. Specifications: Item Type: Sound Systems Marine Gauge Receiver Material: PC Model: JI8415A Application: Yachts, Engineering Vehicles, Excavators, Forklifts, Trucks, Cars, Vans, etc. Compatible Formats: AVI MKV MP3, WMA, BT, USB, SD, FM Mid Frequency Range: 10.7MHz Power Requirements: DC9V-12V Sensitivity: 15dB Load Impedance: 4 x 4Ω Signal to Noise Ratio: 50dB Stereo Separation: 30dB (1KHz) Tone Control: ±8dB Sound Output: 2ch and 4ch Line Outputs Maximum Output Level: 1.5Vrms (±3dB) Frequency Response: 20Hz-20KHz Signal to Noise Ratio: 60dB Spacing: 50dB Connector Types: USB, 3.5mm Jack AM 522-1620KHz FM 87.5-108MHz Machine Size: Approx. 110 x 110 x 74mm / 4.33 x 4.33 x 2.91in Installation Size: Approx. 110 x 64 x 74mm / 4.33 x 2.52 x 2.91in Remote Control Battery: CR2025 Button Battery x 1 (Not Included) Package List 1 x Player 1 x Mounting Bracket 1 x Connection Cable 1 x Remote Control 6 x Screws 2 x Nuts 2 x Washers 1 x Manual