Kenwood Bluetooth CD MP3 USB AUX AM/FM Marine Boat Stereo Receiver 6x 6.5 Dual Cone Marine Speakers 4 Ch Waterproof 400 Watt Amplifier General features: , Marine CD receiver with AM/FM tuner , Built-in MOSFET amplifier (22 watts RMS/50 peak x 4 channels) , Plays CDs, CD-Rs, and CD-RW discs, including discs loaded with MP3 and WMA music files , Detachable face with 1-1/2 line display and variable illumination Marine-specific features: , Conformal-coated PCB circuit board , Covered CD slot, USB port, and auxiliary inputs , Marine remote ready Audio features: , System Q Sound Control (8 EQ curves and a 3-band equalizer) , low-pass filter and sub level control , Speaker Setting function for different sizes and types of speakers , Drive Equalizer feature adjusts volume based on level of exterior noise , Sound reconstruction for improved compressed music playback Expandability: , inputs: front-panel USB and auxiliary inputs , built-in iPod, iPhone, and iPad control (see compatible devices below) , Internet radio control and App Mode with iPhone , compatible with SiriusXM satellite radio tuner , outputs: 6-channel preamp outputs (2.5-volt front, rear, sub) Works with: iPod touch (1st, 2nd, 3rd, 4th, 5th generation), iPod Classic, iPod Nano (3rd, 4th, 5th, 6th, 7th generation), iPhone, iPhone 3G,3GS,4,4S,5 IC Power 100 Watts x 4 Output Variable Input Gain Control Power ON LED Indicator High/Low Level Input Remote Turn On/Off Speaker Output Connector Gold Plated RCA Inputs Thermal / Overload / Short Circuit Protection Heavy Duty Aluminum Alloy Heatsink Load Dump Over Voltage Dimensions: 7.87''W x 2''H x 8.0''L Weight: 3.30 (lbs) Sold as : Unit Weight :4.14 lbs. 6x (3 Pairs) Enrock EM602W 2-Way 6.5 Inch Weather Resistant Marine Speakers 60 Watts Peak The high-quality 6-1/2" speakers feature one-piece baskets that keep water out and polypropylene cones that will withstand heat and sun.