The Boss MCK500WB.6 Marine Stereo offers hands-free Bluetooth audio streaming. Wirelessly stream audio from your compatible device or smartphone and enjoy your favorite tunes or streaming service. The front panel has aux input for connecting to the output of an external device. The wireless remote control gives you commanding access to key functions. This package includes the single-din radio receiver head unit, two 6.5" full-range speakers, and dipole antenna.• Single-DIN Fit• Bluetooth Hands-Free• AM/FM Receiver• Switchable US and EU Tuner Frequencies• Conformal-Coated PCB• UV-Protected Front Panel• Push-To-Talk• Selectable Preset EQ• Wireless Remote Control• Full-Range Speakers with Dual Cone Design• Resin-Treated Cloth Surround• Polypropylene Cone• Composite BasketInputs and OutputsUSB PortAux-InUSB Charging (1A) Compatible with Audio Output from iPhones, Smartphones, and MP3 PlayersFront and Rear Pre-Amp OutputsPlaybackMP3/WMABluetooth Audio for Streaming and Controlling your Favorite Music APPsReceiver SpecsOutput: 50 watts x 4Dimensions: 7"W x 7.1"D x 2.1"HSpeaker SpecsMax Power: 180WNominal Impedance: 4 ohmsFrequency Response: 85Hz - 20kHzSystem Sensitivity: 86 dBOverall Diameter: 7.5"Installation Hole Diameter: 5.47"Mounting Depth: 2.24" Conformal-coated PCB and UV-protected front panel Single-din AM/FM receiver Two 6.5" full-range speakers | Systems MCK500WB.6 Marine Stereo Package with Two 6.5" Speakers