UltraMarine WB/USB/SiriusXM Ready/iPod iPhone Ready/Bluetooth w/App Control. The 200 Watt PA4A has been designed and engineered with a solid, marine grade construction ensuring it will withstand the harsh elements encountered in a marine environment such as temperature fluctuations and UV and corrosion damage. This high-tech system features a two-piece modular design with a waterproof commander IPX6 for the helm and hideaway module IPX5 . The commander features a detachable chrome trim ring, silicone rubber face cover and conformal coated circuit boards which prevent damage from high humidity and salt. It also has the capability to be easily integrated with a boat's digital control panel. Once the two systems are connected, the main control panel is able to perform all of the functions of the PA4A commander. Features Low-profile flush-mount design with panel and U-bracket fastening options. Detachable chrome trim ring for front mounting. Rotary encoder for volume control and me The 200 Watt PA4A has been designed and engineered with a solid, marine grade construction ensuring Low-profile flush-mount design with panel and U-bracket fastening options. Detachable chrome trim ri Rotary encoder for volume control and menu-driven user interface. Dot Matrix LCD with White color ba 2-Wire power system 12V DC Ground and 12V power switched . Non-Volatile Memory For station preset Electronic AM/FM Tuner US/Euro selectable Station Presets 18 FM, 12 AM, 18 SAT RBDS w/PTY search