If ya want to compare "Companys",...
I'm sure they both are legit. They are in it for the Audio $ and GOT to stand behind what they sell.
Chainsaw has had problems w/J&M but they have taken care, and stood behind what they say!
I've got the ZX's in my stock holes. My buddy has had the Rokkers in his stock holes,w/no amplification. We both have the x-act samr Head Unit, but I've got the PSC 3004 hooked up to all my front 4 speakers in my fairing. My Buds sounded very very good w/no amplication,...but!,.... he has recently done sum-n pretty cool, I thought at least. He replaced the Rokkers, w/6.5' speakers, but kept the Rokkers Grill w/Tweeter and Midrange speaker and bought the R/F Amp. Added baglids, last year but now has Amplication, to all 4 speakers. Front speakers in his Street Glide soud Awesome using the USB port w/thumbdrive. He replaced the Polk speakers in his baglids w/Memphis 6x9's, and I'm not impressed! But thats just me!
I've been run-n the Hawg-Wired Amps,PSC-3004 and PSC 1502 for over a year now. Bike always starts,runs,and Rocks the 'House' whenever I want it!
J&M or Hawg-Wired? ,...Dont know if I'll be in Iowa this year but ,...?
Good Luck w/your choice.
On the other hand here, Faceracer, which I met last year, has recently added a TON of Audio to his Orange Crate! (No offense here Face-Orange Crate-hehe!) But I do believe he has used-Biketronics Amps? Hmmmmm!???