Amplifier Specifications:

Input Voltage: DC 12 V

Input Sensitivity: 100MV-3000MV

Rated Power: 4*25W @ 4Ω

Peak Power: 1000W

Channel: 4

Wireless transmission range > 15m

Response Frequency: 20Hz-20KHz

S/N: >80dB

Bluetooth 5.0

Built-in FM Radio

LCD Display

Standard SD Card Slot

USB

3.5mm AUX Audio Jack

FM Radio Antenna Plug

Bluetooth Antenna Plug

4 Channels for included Speakers

Aluminum Housing

Full function Wired remote

Dimension: 5 3/8 L x 4 3/4 W x 1 3/4 H (in.)

Speaker Specification:

Color: Black

Easy Installation

Plug and Play

Cable length: 70" each

Dimensions: 5 W X 6.5 L (in.)

Package included :

4 x 5" Waterproof Speaker

1 x Amplifier

1 x Wired Control

2 x External Antenna

1 x 3.5mm Audio AUX Cable

1 x DC to Ring terminal power cord

4 x Roll bar mounting clamp (1-1/2 to 2 in.)

1 x User Manual

Perfect for Harley Motorcycle Touring Cruiser ATV UTV Electric Bike Marine Boat

Bluetooth Wireless: Stream your favorite music and radio channel from your smartphone. Compatible with iPhone 4 / 5 / 6 / 7 / 8 / X, iPod, Samsung Android Galaxy S Note Series and any smartphone devices.

Superb Crystal Sound Quality. Advanced IP56 Waterproof Design. Great for outdoor use. 

Comes with all necessary hardware and wiring. Plug and Play. Standard 12V Power Connection.