This listing is for a pair of brand new & factory sealed LEXIN Harley Davidson style marine speakers. We have this in either chrome or black. RCA Jacks adapters included These marine speakers will work with all motorcycle systems (though they are made for the LEXIN) and of course work with all bikes - though these are very similar to what Harley Davidson sells for there bikes. The handlebar clamps are included in this unit. These are 100% waterproof speakers. They can be dumped in a puddle of water and it will work perfectly. Only LEXIN makes this model speakers. They are extremely well made Made by LEXIN Model ==Our Water proof LOUD speakers measure are 3 " X 3" x 3-- Details for loudspeaker Working Voltage 10-16V DC VoiceCoil Impedance: 4 Resonc Frequency: 165HZ Effective Frequency Range: Fo-12kHZ Puiput Sound Pressure Level: 88dB Rated Input Power: 15W Max Input Power: 100W watts ea Distortion: <= 5% one year warranty Handlebar clamps will adjust to fit all Bike Handlebars