GoHawk's compact amplifier is the first waterproof design of its kind, featuring a performance 2-channel 100W amplifier with two 4" full-range motorcycle stereo speakers. The swivel-able handlebar clamps have a universal fit for 1 to 1.25" bar sizes, and the amplifier supports Bluetooth wireless connection up to 15 meters. | This motorcycle speaker supports USB drives as music playback (charging not supported) and has a 3.5mm audio jack AUX-IN available. It's FM radio ready with a low-profile FM antenna wire and comes with a full-function wired control. The speaker cable is 70" long with a standard RCA male connector, and it can be extended (search for RCA extension, sold separately). | The matte black stereo unit has a blue waterproof gasket and is built with high-quality aluminum material, making it perfect for Harley motorcycles, ATVs, RZRs, 4-wheelers, and Polaris. The 4" glossy black finished speaker housing has a full-range speaker core and is built with high-quality ABS material. | With Bluetooth 5.0 capabilities, this motorcycle speaker allows for wireless streaming of your favorite music and radio channels from your smartphone. It is compatible with a wide range of devices, including iPhone, iPod, iPad, Samsung Android Galaxy Z S Ultra series, and any smartphone devices. | This advanced IP56 water-resistant motorcycle speaker is designed for superb crystal sound quality and is great for outdoor use. It's easy to install with all necessary hardware and wiring included, and it comes with a 78" long SAE to ring terminal power cable. It has a plug-and-play design with a standard 12V power connection.