Pro Audio PowerSport Speakers, Amplified (Active + Passive) Speaker System, Bluetooth Wireless Music Streaming Abiltiy, Bridged Sound System: (2) x 4.0'' Woofers + (2) x 0.5'' Tweeters, Marine Grade Waterproof Rated Construction, Weatherproof & Water-Resistant Housing, 2-Way Full Range Stereo Sound Reproduction, Built-in Digital Sound Processing Amplifier, Integrated Speaker Power & Wiring Harness, Compact Size & High-Powered Output, Impressive Bass Response, Aux (3.5mm) Input Jack, Connect & Stream Audio from External Devices, Sleek Design, Machine Molded Speaker Cabinet Housing, Rugged, Universal Mount Bracket Design for Roll-Bar / Roll-Cage, Used for Off-Road Outdoor Vehicles: ATV, UTV, 4x4, Jeeps, Marine Watercraft, Simple & Hassle-Free Pairing, Instant Wireless Audio Streaming Ability, Works with All of Today's Latest Devices, Smartphones, Tablets, Laptops, etc., Bluetooth Version: V4.2, Bluetooth Network Name: ‘PYLEUSA', Wireless Range: 30+ ft., *Bluetooth Receiver Module Built-Into Amplifier of Main / Active Speaker, (1) 4'' Amplified Main Speaker, (1) 4'' Passive Support Speaker, Speaker Connection Wires, 6.5' ft., Wire Butt Connectors, 16-22 AWG, EVA Mounting Pads, Speaker Power: 800 Watt MAX, Amp Power: 2 x 250 Watt MAX @ 4 Ohms (2 x 125 Watt RMS), Amp Type: 2-Channel, Class D, Marine Grade Waterproof Rating: IP-X5, Speaker Type: Polypropylene Cone, Butyl Rubber Surround (x2), Tweeter Type: Neodymium Dome (x2), Frequency Response: 85Hz-20kHz, Impedance: 4 Ohm, Magnet Type: 20 oz. Circuit, Mid-Woofer Voice Coil Type: 1.0'', Aluminum, Sensitivity: 90 dB +/- 2 dB @ 1M/1W, Anti-Thump Turn-On, Soft Turn On/Off, T.H.D: 95dB, Channel Separation: >65dB, Fuse: 1 x 10A, Universal Mounting Brackets Roll-Bar / Roll-Cage Diameter: 1.25'' ~ 2.0'' -inches, Speaker Dimensions (L x W x H): 5.62'' x 8.38'' x 7.29'' -inches, with Bracket (Each), Power Supply: DC 12V, Weight: 5.23 lbs.