4-Channel 180W Full Range Motorcycle Speakers with Aluminum Stereo Main Unit. High Performance Amplifier Built-in. Speaker Clamp Universal fit for 7/8 to 1-1/4″ handlebar. Mirror mounting bracket included. Support Bluetooth Wireless connection up to 15 meters.
3.5mm Audio Jack AUX IN Available. Support USB and microSD Card MP3 files. FM Radio Receiver Built-in. Clock Display. Matte Black Stereo Unit Built with High Quality Aluminum Material. Perfect for Motorcycle ATV UTV Electric Bike.
Bluetooth Wireless: Stream your favorite music and radio channel from your smartphone. Compatible with iPhone 4 / 5 / 6 / 7 / 8 / X / Xs / Xr / 11 / 12, iPod, Samsung Android Galaxy S Note Series and any smartphone devices.
Superb Crystal Sound Quality. Advanced Waterproof Speaker(Amplifier is not waterproof). Great for outdoor use. Included Optional Mini Wired Remote Control with Blue LED Back-lit Buttons and Handlebar Clamp.
Easy Installation: Comes with all necessary hardware and wiring. Plug and Play. Standard 12V Power Connection.
Product description
=================== Important notes: 1. [Gen 3. Update]: New 7/8″ to 1-1/4″ mounting clamp with mirror mounting bracket are included. 2. Custom mounting required for bar larger than 1-1/4″. Please check measurement before purchase. 3. Only the speakers are waterproof. The amplifier is NOT waterproof. Please install the amp in a shaded area to avoid rains and direct sunlight. The power amplifier is normal to get warm while in use. =================== Features: 1) Bluetooth Wireless
2) 3.5mm Audio Jack AUX IN
3) USB 2.0
4) microSD Slot
5) FM Radio
6) Included Optional LED back-lit Wired Control
7) Display with Clock Specifications of the band FM:Cover: 87 – 108 (?? 0.55MHz)
Sensitivity: ??11dB
Distortion: ??0.5%
SNR: ??60dB General Specifications: Amplifier Color: Black
Rated Voltage: 12V DC
Rated Input Power: 2 x 30W
Max Input Power: 180W
Rated impedance: 4 – 8??
Bluetooth Ver.: 3.0+EDR
Bluetooth Protocol: AVRVP1.0, GAVDP1.0, ADVTP1.0, A2DP1.0
Wireless transmission range 15m
Frequency range:20Hz – 20KHz
3.5mm Audio Jack: Yes
SD Slot Size: microSD
USB: Support USB Drive in mp3 format
Dimensions: Speaker: 3.38 x 4 in.
Stereo Main Unit: 3.25 x 4.5 x 2 in.
Wired Control: 1.5 x 2 in.

Package Included: 4 x Speaker
1 x Main Control Unit
1 x Wired Control
4 x Handlebar Clamp
4 x Mirror Mounting Bracket
1 x Set of Installation accessories
1 x User Manual