Add a high-performance 4-speaker, 400-watt audio system to your motorcycle, purpose built for select 2014+ Harley-Davidson Road Glide Ultra and Street Glide Ultra models. System includes a two 6.5? speakers for the fairing, two 6.5? speakers for the TourPak, a 400 watt 4-channel amplifier, and complete installation kit. You will need to flash your factory radio to use this kit.