Full Board Set for JBL 4300 Series 4-way Models JBL 4300 Series and will snap in to

and will snap in to the same press-fit mounting features as the factory crossover PCB

that will come in handy for your upgrade project

Set of two high-quality printed circuit boards that allow owners of the JBL 4425 Studio Monitors (or those who are building their own DIY clones) to upgrade their existing passive crossovers to modern standards using polypropylene film capacitors

The Bi-amp board set comes with 2 main boards

supporting both full passive (single-amp) and bi-amp configurations

Full Board Set for JBL 4300 Series 4-way Models JBL 4300 Series and will snap in toSet of four high quality printed circuit boards that allow owners of the legendary JBL 4300 Series 4 way Studio Monitors (or those who are building their own DIY clones) to upgrade their existing passive crossovers to modern standards using polypropylene film capacitors, air core inductors, and the charge coupling technique used by JBL in their ultra high end studio monitors such as the DD67000. The Full Board Set comes with 2 main boards and 2