Kenwood Marine Boat Bike AUX USB iPod iPhone Input Pandora Receiver, 4 Speakers Package Includes: 1 Kenwood KMR-D772BT Single DIN Marine USB CD Bluetooth Receiver, 2 Pair Of Enrock EM602W Speakers marine digital media receiver cd player with built-in Bluetooth, built-in MOSFET amplifier (22 watts RMS/50 peak x 4 channels), plays MP3, WAV, and WMA music files, stream Internet radio from Pandora, iHeart Radio, and more, variable-color illumination, 1.5 line LCD display rear-wired Bluetooth microphone included, conformal-coated PCB circuit board, covered Front USB and AUX inputs, Drive EQ improves sound to compensate for exterior noise, Sound Reconstruction restores fullness to compressed digital files, System Q Sound Control (6 EQ curves and a 3-band equalizer) low-pass filter and sub level control, Speaker Setting function for different sizes and types of speakers, iPod/iPhone direct connection with optional cable, Android Open Accessory protocol works with cables or Bluetooth, compatible with SiriusXM satellite radio tuner, inputs: durable CD slot cover and covers for USB and AUX inputs. 6.5 2-Way Waterproof Stereo Speakers, Completely Waterproof For Marine or Car Use, Polypropelyne Cone with Rubber Edge,  High Compliance Polymer Tweeter, Molded ABS plastic basket, 8 oz Magnet, Power: 120 Watts Max, Frequency Respone: 60Hz-20KHz, Impedence: 4-8 Ohms, Sensitivity: 91dB