Enhanced Hi-Fi grade full-range speaker core, outstanding sound performance.<br> Built-in Bluetooth, the music from your phone to the device anytime and anywhere.<br> Support AUX MP3 music playing.Support USB Stick music playing.<br> Built-in 300W D-class amplifier, continuous boost support.<br> 7/8-1.25 inches (22-26mm) speaker installation clamp, suitable for most motorcycles, , street bikes and etc.<br> Color: silver<br> Material: metal +ABS<br> BUILT-IN AMPLIFIER<br> Input Voltage: DC 10-16 V<br> Input Sensitivity: 100MV-3000MV<br> Rated Power: 2 x 20W @ 4<br> Power: 300W<br> Channel: 2.0<br> Response Frequency: 20Hz-20KHz<br> S: 80dB<br> Support USB Files Playing<br> Support AUX Input<br> SPEAKER SPECIFICATIONS-<br> Core: 3 inch Full Range<br> Rated Power: 20W<br> Resonance Frequency: 80Hz<br> Impedance: 4<br> Sensitivity: 84dB<br> Frequency Response: 80Hz-16KHz<br> Package Contents:<br> 2 x Speaker<br> 2 x Steering<br> 1 x Full Function Wired Control<br> 1 x SAE to Ring Terminal Power Cord<br> 1 x 3.5mm AUX Cable<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.