This waterproof Bluetooth multifunction speaker audio system for motorcycles, trailbikes, ATV’s three-wheelers or any motorize vehicle that has a 12v DC electrical system. This unit will fit any handlebars distance from 250mm to 280mm (9.84” to 11.02”) with a bar diameter of 20mm to 25mm (0.79” to 0.98”). The system has a IP4 waterproof ratting, and it has a high-fidelity FM radio built-in that has three bands and 18 stations storage settings. It operates at a frequency range from 87.5MHz to 108MHz and a frequency response from100hz to 10kHz ±6DB along with a FM harmonic distortion of 1kHz ≤5%. The power supply input is 12v DC and in addition, it has an over voltage protection system, a reverse line protection system, and a short circuit protection system. There is four input function, which are USB, TF care, aux interface and Bluetooth and it support MP3 and WMA music format playback. The two speakers have maximum 5w per speaker at 40db with a noise sensitivity of <37db and an impedance from 4ω to 8ω with a maximum output power of 7w per speaker. The Bluetooth connection is for play music on mobile devise that has Bluetooth capabilities. The power amplifier is 10.7MHz with low standby power consumption. What you get in the box with the Waterproof Bluetooth Audio is 1-motorcycle speaker unit, 1-screwdriver, and the owner’s manual.

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