Features: 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 Bluetooth Connectivity: 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 What's in the Box: (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 Technical Specs: 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: S/N Ratio: >95dB Channel Separation: >65dB Amp Freq. Response: 10Hz- 30kHz 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 Sold as: Kit WEATHERPROOF & WATER-RESISTANT HOUSING: The speakers feature marine-grade IP-X5 waterproof construction w/ weatherproof & water-resistant housing perfect for extreme water sports. It has a sleek design & durable machine molded speaker cabinet housing UNIVERSAL MOUNTING: The speakers are protectively stored in a heavy-duty molded cabinet w/ butyl rubber surround. Designed to be mounted on a support bar, frame, roll-bar / roll-cage. Includes connection wires, wire butt connectors, and mounting pads AMPLIFIED SPEAKER SYSTEM: Pyle's 800W dual marine grade off-road speaker system is what you need to listen to high-quality audio on your boat, ATV, UTV, quad or other outdoor vehicles! Includes (1) four inch passive two-way off-road speaker system POWER SPORT SPEAKER: The pair of Pro Audio PowerSport speakers feature an 800W high powered output. It has a frequency response of 85Hz-20kHz w/ 4-ohm impedance & equipped w/ impressive bass response & integrated speaker wiring for quick connection BRIDGED SOUND SYSTEM: The dome shape radiates sound with a wider dispersion pattern than the semi-dome design. Since high-frequency sound waves are very directional, a wider dispersion of the sound waves will give you a larger "sweet spot"