Marine Bluetooth Amplifier Speaker Package. 2″D x 3.9″W x 8H. Plastic, metal, electronics, cables. Recommended Uses For Product. Speaker Maximum Output Power. Boat Mount, Plug Mount. Source unit, radio, speaker. Class-A/B Marine Bluetooth Amplifier (No head unit required) & 3 m Wired Remote with 3-color LED indicator (sources – USB/AUX/Bluetooth). Wired Remote with S-terminal connector, please ensure the cable connection is always tight. Wired remote can be immerged in water, Silicone Gasket to protect the Black Box from water splashing. Rustproof Aluminum heatsink with white painted finish. All screws and mounting kits are made from Stainless Steel. Drive Max Power Output 180W into 4 Channels (suggests to work with 4 ohm 45W speaker). Real data for your verification. USB Charging 5V 1A / Frequency Response: 20Hz – 20KHz / 15 Amp Maxi Fuse. Two 6.5 Inch, Marine Grade, 2 Way, Full Range, Dual Cone, 180 Watt (Per Pair) Speakers, Mounting Depth: 2-1 / 4 Inch. 4.3 out of 5 stars. 4.2 out of 5 stars. 3.3 out of 5 stars. 4.0 out of 5 stars. 3.8 out of 5 stars. Built in Power Amplifier. USB Charge & Playback. We offer the best prices around on high quality products. Our E-store includes media such as books, movies, music and games while offering electronics, toys, sporting apparel, clothing, tools, general home, garden items and more. We are always working hard to ensure your package arrives as soon as possible. We do not accept P. Please provide a physical address. We try our very best to make sure every customer is completely satisfied. If there’s a problem, message us! We’re happy to help.