Bluetooth Wireless Speakers Audio System Stereo MP3 Radio ATV Scooter Marine (Fits: Yamaha Rhino 660)

Power Amplifier Specification Power: 4x25W Speaker impedance 4-8 Black ABS shell5 Rated Voltage: DC 12V Speaker Size(DxH):83.5mm(3-1/8″)*102mm(4″) Main Unit Specification: Input Voltage: DC 12V (36V-72V Model need an adaptor) Bluetooth V3.0+EDR, support AVRCP1.0,GAVDP1.0,AVDTP1.0,A2DP1.0 Frequency Response: 21402GHz-2.480GHz Practical Sensitivity: <11dB Letter throat Ratio: >60dB Effective Transmission Distance: >10M FM Frequency Range: 87-108MHz Main Unit Size: approx 100mm(4″)*60mm(2-3/8″)*44mm(1-3/4″) Package Contents: 4 x Speaker 1 x Main Control Unit 1 x Wired Control 1 x Remote Control 4 x Handlebar Clamp 4X Scrow Holder 1 x Set of Installation accessories