200 Watts X 4 Micro Amplifier with Wire Harness - Speaker Dimensions : 2.5''(W) x 2.5''(H) x 3.75''(L).Quad Black Shiny 2.25'' Bullet style Weatherproof speakers / Neodymium Magnet Structure - Amplifier Dimensions : 3.05''(W) x 1.19''(H) x 5.71''(L).Universal Handlebar Mount Rotary Volume Control - Sold as: Unit.12 Volt T-TAP.Easy Chrome Stainless Mounting Brackets and Accessories included This weatherproof speaker system is what you need to listen to high-quality auto on your motorcycle, ATV, or snowmobile It comes with four black 2.25" bullet-style 200-watt weatherproof speakers and a 800-watt amplifier. These speakers are equipped with a neodymium magnet structure for a powerful and high-fidelity sound. Plug your MP3 player or iPod into the included 3.5mm jack to listen to your favorite music on this stylish system. Take total control of your sound with the included volume control. Easy mounting brackets and accessories are included to make installation a quick process. Now you can listen to music on the go, anywhere - thanks to Pyle's Cycle Series speakers and amplifiers.