Marine digital media receiver (does not play CDs). Built-in amplifier (20 watts RMS/55 peak x 4 channels). 4 color LCD screen. Built-in Bluetooth® 5.0 for music streaming. IPX7-rated watertight; UV-resistant front panel. Inputs: rear AUX and USB ports. Outputs: 9-channel preamp outputs. 2-ohm stable so built-in amp can power up to 8 speakers. Three sets of line level differentials. Wired to work with select Infinity or Milennia remotes. What’s in the box. Marine digital media receiver (15A fuse). Operation Manual for Users. Written by Crutchfield’s Jon Paul. Bring JBL sound to your boat. This JBL Wake Series marine digital media receiver combines JBL’s reputation for great sound with marine-rated toughness. With its compact, weather-resistant design, built-in amplifier, and 4 color LCD display, it’s the ideal centerpiece for your boat’s stereo system. This Wake Series receiver sports the latest Bluetooth® 5.0 technology for greater range, so you can listen to music streamed from your smartphone or other devices from just about anywhere on your craft. Get your system started. The R4500 is 2-ohm stable, so it can power up to eight 4-ohm speakers. It also features a pair of rear-mounted preamp outputs, so you can expand your system with a marine amp in the future. Three sets of line level differentials allow you to control left, right, and sub for each zone. Because it’s made for outdoor use, the R4500 will give you clear, accurate sound even when you decide to really crank up the volume. This feature-filled receiver is also NMEA 2000-ready, so you can integrate it into your existing network. It’s also wired for easy connection to an Infinity INF-REM1 or Milennia MIL-REM80 remote. Designed for easy operation. The color LED display is easy to read in all lighting conditions, while the IPX7-rated face and controls will stand up to the elements for seasons to come. The raised five-way push button and big rotary tuner make navigation fast, easy, and intuitive. Made for marine use. JBL tests all their marine audio gear to make sure it’s tough enough to survive life on the water. This rugged stereo will stand up to storms, spray, sun, and even the occasional spilled beverage, so you can relax, have fun, and crank some tunes. The color LED display is easy to read in all lighting conditions, and the raised five-way push button and big rotary tuner make navigation fast, easy, and intuitive. Learn more in our article explaining Bluetooth profiles. IPod/smartphone note: If you’re going to use your iPod or smartphone with this receiver, be sure to check “Details” for compatibility information. This marine digital media receiver will not play CDs.