I had a buddy (new diver) that got a JBL gun in a raffle. It immediately started firing on it's own before he could even get it completely loaded. I explained how dangerous that was and that he might want to contact the company and see about getting some help on a new trigger mech. I have to give it to my buddy for perseverance because it took him weeks to get ahold of somebody. The problem was, once he finally did, they wouldn't help him.
I've got friends that get that stuff almost free so over the years I've tried some of the JBL products out. I don't think a single one of them has held up more than a month.
I was actually shocked to get a weight belt from them (free) a few years ago and was totally surprised. It was made just like the RA belt except the rubber wasn't quite as bomb proof. Regardless, the belt lasted me two years and I was actually impressed they finally made something that didn't fall apart in the first few weeks. A few weeks ago, my truck got stolen along with both my weight belts. I got two more of those JBL belts and went through the hassle of setting them up. I used one of the belts once and noticed immediately that they changed the rubber and it was way too stretchy and was going to fall apart within months. I finally found something they made fairly well and they changed it. I gave the belts away and went and bought 2 RA belts which should last me the rest of my lifetime for $8 more than the JBL's.
Somebody has to corner the low end of the market so I get that but JBL is the absolute bottom of the line IMO. I honestly haven't come across any gear that falls apart faster, but hey, at least it's consistently low end all the way across their whole product line. There's something to be said about consistency.