2014 Harley Ultra Vs J&M ROKKER XX StreetGlide Audio System

This is a comparison of the audio system on the 2014 Harley Ultra LTD, 2014 Harley BOOM audio upgrades and the 2012 J&M ROKKER XX StreetGlide. This comparison test shows the differences in decibels between the 3 systems.

J&M
www.jmcorp.com