4″ full-range waterproof Bluetooth motorcycle stereo speakers, 1 to 1.5-inch handlebar mounting, with 300W built-in D-class amplifier Chrome,zwartImprove

Features:
600W maximum output power
Built-in Bluetooth
Built-in FM radio
External Bluetooth, radio antenna
3.5mm AUX input
Full-featured remote control
2.1 channel
Product specifications:
Material: aluminum alloy + PC
Working voltage: DC 10-16V
Sensitivity: 100MV-3000MV
Rated power amplifier power: 2 * 30W + 75W @4Ω
Rated speaker power: 2 * 20W
Maximum power: 600W
Channel: 2.1
Bluetooth transmission distance > 15 meters
Frequency response: 20Hz-20KHz
Signal to noise ratio: > 80dB
Bluetooth version: 4.1 + EDR
Product gross weight: 2105g
Packing size: 295 * 122 * 135mm products
Package Contents:
Full range speaker* 2
Speaker support* 2
DC power cord* 1
Wired remote control* 1
External signal antenna* 1
AUX input line* 1
Screw kit* 1
Instruction manual* 1

Built-in 300 watt Class D amplifier for continuous enhanced support.
Integrated full-line control, easy to operate while driving.
SAE quickly disconnects the power cord for easy connection to the vehicle battery
Classic 4″ bullet body, sturdy construction, compact and high quality. 3″ full range speakers, advanced Hi-Fi level, excellent sound.
Built-in Bluetooth 4.1 makes it easy to transfer music from your phone to your device anytime, anywhere. Support AUX MP3 music playback.