Receiver: Single DIN Universal Size Standard MAX. Power: 200 Watt (50W x 4) Bluetooth Wireless Audio Streaming & Hands-Free Calling AM/FM Stereo Radio, CD Player USB Flash & SD Memory Card Readers Aux Input LCD Digital Display Panel Remote Control Included SPA BEZEL: mounting ...Receiver: Single DIN Universal Size Standard MAX. Power: 200 Watt (50W x 4) Bluetooth Wireless Audio Streaming & Hands-Free Calling AM/FM Stereo Radio, CD Player USB Flash & SD Memory Card Readers Aux Input LCD Digital Display Panel Remote Control Included SPA BEZEL: mounting bezel for Single DIN receivers in hot tubs, saunas, and pools Mounting Adapter Plate: adapter plate for large dash cavities Radio Antenna: 22 inch AM/FM Marine Antenna Improves Radio reception Speakers: 6.5 inch Speakers Built-in Color-Changing LED Lights Programmable & Controllable Lighting Waterproof Construction Housing 2-Way Stereo Sound Polypropylene Cones with Cloth Surround Stain Resistant Grill Power Handling: 250 Watts Peak Marine Grade IP-44 Rating Tweeter: 1'' Neodymium Dome Tweeter 4 Ohm Impedance Sensitivity: 93dB Frequency Response: 45Hz - 20kHz LED Output: 4A/Per Channel Color-Changing LED Lights: Dancing / Flashing Light Modes 20 Static or 19 Dynamic Color Modes Speed & Color Brightness Adjustable 27 Built-in Multi-Color LED lights Includes Remote Control & Lighting Console Controller Unit Speaker Wire: 18 AWG Stereo Wire Ideal for new Marine Installation 50ft Length Spool