Pyle Marine Stereo AM/FM USB/SD iPod MP3 Receiver Headunit + 2 x 150W 6.5" Speakers & Remote Control Headunit Details: AM / FM -MPX PLL Tuning Radio - 30 Station Memory - Dot Matrix LCD Display - Encoder Volume ,Bass ,Treble, Balance ,Fader Control Power output 4 x 50 Watts - 2 Channel RCA Line Out - USB Interface (Decode MP3 WMA ) - SD/MMC Slot Aux (3.5mm) Input for iPod/MP3s - Remote Control - Marine Coating Blue - Illumination - Dimensions: 7.0"W X 6.29"D X 1.9"H Speakers Details: 6.5'' Dual Cone Full-Range Speakers - Completely Waterproof - For Marine or Car Use - Polypropylene Cone With Cloth Surround - Built-in Molded Grill - Cut-out Size: 135 mm - Molded ABS Plastic Basket - 1" Aluminum Voice Coil 20oz Circuit Magnet - Power Handling: 150 Watts Peak - Frequency Response: 45Hz - 16k Hz - 4 Ohms Impedance - Complete with Wires Mounting Hardware - Mounting Depth: 2.5''