Product Name: Motorcycle bluetooth Speaker. Amplifier Size: 12.5cmx11.3cmx5cm (LxWxH).
Operating voltage: DC 10 - 16V. Wireless transmission range: > 15m. Mounting Hole Inner Diameter(With Gasket).
Mounting Hole Inner DiameterWithout Gasket. 3.5mm AUX Audio Jack. 4 Channels for included Speakers.Easy Installation, Plug and Play. Bluetooth let your hands free. Be suitable for Motorcycles, ATVs, Recreational, ATV, UTV, Tourist Cars, Golf Carts, Etc. We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. Please allow 0.5-1 inch difference due to manual measurement.
Professional Installation Is Highly Recommended! The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding.