Pre-assembled crossover for JV60. This is a 2.5 way crossover for the following drivers in a Vifa driver floors… | Crossover, Speaker design, Speaker box design
DIY Audio Stage Frequency Divider Portable Crossover Filter For Speaker 3 Way on OnBuy
Amazon.com: Speaker Frequency Divider Board, Treble Alto Bass 3 Way High Power Hi-Fi Audio Crossover Filter - Frequency Distributor DIY Module : Electronics
3 Way Crossover Design Example
Building very high end speaker crossovers part 1 - YouTube