side by side here at the J&M audio trailer at the Sturgis motorcycle rally ,,,,
two 2010 Road Glides with stock Harley HK radios, no amps ,,,,,, one with the new Harley BOOM speakers with single grill mounted tweeter ,,,, other with the J&M 7.25" speaker upgrade, with grill mounted tweeter and midrange ,,,,,,
same CD ,,,,, same volume settings on radios ,,,,,
the bike with the J&M's had significantly more bass and just a lot more sound in general,,,,,,
the opinion was unanimous among 5 different guys all standing around the bikes ,,,,,