Tweakjunkie - A serious upgrade coming to a pair of the most famous / popular speaker ever made, the JBL L-100. This upgrade absolutely transforms this speaker into something that is nothing
JBL-L100_Up-Grade-Kit
JBL 4311 behaviour: nomal or faulty units? - Page 2
Original Crossover For JBL 4311 Control Monitor, Audio, Soundbars, Speakers & Amplifiers on Carousell