Pyle Motorcycle Two 3 Inch Speakers, 50 Watt, All-Terrain, Weatherproof Speaker and Amplifier Sound System, Handlebar Mount, FM Radio for ATV, Snowmobile, Scooter, Boat, Waverunner, Jetski (PLMCA20) CONTROL OF YOUR SOUND: The motorcycle amplifier gives you complete control over your sound with the included volume, treble, and bass digital controls. LISTEN TO YOUR FAVORITE MUSIC: The amplifier for motorcycle allows you to listen to FM stations or plug your MP3 player or iPod into the included 3.5mm jack to listen to your favorite music on this stylish system. EASY INSTALLATION: The Pyle motorcycle speakers includes easy mounting brackets and accessories to make installation a quick process. WEATHERPROOF SYSTEM: The weatherproof motorcycle speakers are made of marine grade construction, making them perfect for motorcycles, ATV, scooters, boats, snowmobiles and wave runners. HANDLEBAR DESIGN: The Pyle motorcycle audio features a handlebar mount speaker assembly with rugged chrome bullet-style designed housing. The system includes two 3" weatherproof speakers and mini amp. Mini Amplifier Suitable for 12 Volts Motorcycles/Scooters/Boat/snowmobile/ATV/Waverunner - Mute Function - Frequency Response 20Hz-20KHz - Speaker Dimensions: 4.46''H X 4.09''W X 4.09''D 3'' Dual weatherproof Speakers - POWER Switch and Indicator - S/N: &gt;50dB 3.5mm/RCA Stereo Input Jack, Easy Connection to the Output of Other - Easy Mounting Accessories included - Channel Balance:&lt;2dB Audio Devices Like CD/MD/Mp3/Ipod, etc - Remote Control Power on/off - FM Sensitivity:10V @ S/N 30dB Volume Control - 50 Watts  2 @ 2 Ohm 10%THD - Amplifer Dimensions: 3.74''H X 3.14''W X 1.57''D