Bluetooth Motorcycle Speaker Kit, OPTIMC91BT

350 Watts x 2 Channels Micro Amplifier with wire harness - 2/4 Channel for up to four speaker hookup (175 Watts x 4) - Includes Two handle-bar Mount Aluminum Die-cast Weatherproof 2.25'' Speakers - Two additional amplified channels for a total of 4 speaker hook-up - 3'' Dual Aluminum die cast bullet Speaker with Supreme high temperature Voice Coil - Pair of Chrome Handlebar Clamps - Chrome Universal Handlebar Mount Rotary Volume Control - Chrome Stainless Universal handlebar audio mount - 12 Volt T-TAP Plug for direct connection on American made Motorcycles - USB charger & Satellite 5V plug - Easy Chrome Stainless Mounting Brackets and Accessories included - Environment resistance and water proof Bluetooth and in-line volume control console with 3.5mm Stereo Input Jack, Easy Connection to the Output of Other Audio Devices - Works with iPhone/Smartphones, iPod/MP3 Players, Cell Phones, etc. - Bluetooth 3.0 technology - Bluetooth auto connected while power on - Bluetooth auto disconnected while Aux-in (3.5mm connector) - Bluetooth console Dimension (L x W x H) : 2.36' x 1.65'' x 0.87'' - Easy and quick installed handle-bar mount bracket is included - Speaker Dimensions : 4.8''L x 3.35''W x 3.35''H - Amplifier Dimensions : 5.71''L x 3.05''W x 1.19''H