Full Board Set for JBL 4300 Series 4-way Models JBL 4300 Series please purchase the Full Board

please purchase the Full Board Set

The Full Board Set comes with 2 main boards and 2 auxiliary boards

The auxiliary boards are not to be used with the 4340

We are happy to be partnering with Solen in Canada to offer a "one stop shop" parts kit for the JBL 4425 Charge-Coupled Crossover Boards

Full Board Set for JBL 4300 Series 4-way Models JBL 4300 Series please purchase the Full BoardSet 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