Pyle Marine PFMRA450BW 4-Channel Bluetooth White Amplifier, 4x Pyle 4" 2-Way Waterproof Weather Resistant White Speakers, Amp Install Kit, 18-G 50 Ft Speaker Wire

AMPLIFIERMAX Power: 400 Watt (100W x 4)Amplifier Type: Class-D CircuitMarine Grade Rating: IP-41Impedance: 4 OhmFrequency Response : 10 - 40kHz4-ChannelBluetooth RecevierUSB Flash & SD Memory Card ReadersMP3 Digital Audio File CompatibilityLCD Digital Display ScreenRCA (L/R) Audio ConnectorsSpring-Loaded Speaker TerminalsConnect & Stream Audio from External DevicesHeavy Duty Aluminum Alloy HeatsinkSide Panel Button Control Center SPEAKERSPower Output: 100 Watt MAX (50 Watt RMS)Rugged Marine ConstructionLow-Profile Slim Style Speaker Housing2-Way Full Range Stereo Sound ReproductionMolded ABS Machined Basket and Grill.Size: 4"Mounting Depth: 0.9"Voice Coil Type: AluminumImpedance: 4 OhmFrequency Response: 90Hz-18khzConstruction Material: Engineered ABS AMP KITMarine Grade Cables and WiresPerfect for Installations in Boats and Outdoor8 Gauge WIRE18 AWG Stereo WireBlue White Marine Grade Insulation50ft Spool