4-Speaker, 400-Watt High Performance Audio System For Select 1998-2013 Harley-Davidson Road Glide Models/ Amplifier Features 2 Channels For The 6.5” Fairing And 2-Channels For the 5.25 " TourPak Speakers That Are Frequency-Response Tuned To Overcome Wind, Exhaust, And Road Noise Up To 75 MPH/ Replacement Digital Media Receiver Provides Total Control Over Your Music By Featuring Bluetooth Wireless Streaming, USB And AUX Inputs, Along With Pandora And An AM/FM Digital Tuner That Is SiriusXM Ready/ Black Finish