Check the listing for details. Bluetooth Motorcycle 100W Amplifier Waterproof Stereo Speaker Audio Radio System. Condition: New. Listed at 56.99 USD. ================================================================== READ BEFORE PURCHASE / IMPORTANT NOTES: 1. Speaker size is 4" W x 5" L. Please make sure you have enough of room and clearance to install BEFORE purchase. 2. 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. ================================================================== For 1" to 1.5" handlebar only. Amplifier Specifications: Input Voltage: DC 12 V Input Sensitivity: 100MV-3000MV Rated Power: 2*12W @ 4Ω Peak Power: 100W Channel: 2.0 Wireless transmission range > 15m Response Frequency: 20Hz-20KHz S/N: >80dB Bluetooth 4.1 Built-in FM Radio 3.5mm AUX Audio Jack Left and Right RCA out for included Speakers Aluminum Housing Amplifier Metal mounting clamp Full function Wired remote Dimension: 4 L x 3.125 W x 1.75 H (in.) Speaker Specification: Color: Chrome Handlebar Mounting Easy Installation Plug and Play Speaker Housing: 4" Speaker Core: 3" Connector: RCA Male Cable length: 70" Dimensions: 4 W X 5 L (in.) Package included : 2 x Waterproof Speaker 1 x Amplifier 1 x Wired Control 1 x 3.5mm Audio AUX Cable 1 x DC to Ring terminal power cord 1 x Set of Handlebar Clamp 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 / Xs Max, 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.