JBL GTX47 4 Channel Automotive Continnuously Variable Crossover Grand Touring Series
Do some searching for 3-way or 4-way crossover.  You found lots of products, right??  Now look a little closer - Nearly all of them are 2-way crossovers that cover 4-channel or 6-channel - **VERY** few actually handle sub (lp) ->midbass (bp) ->midrange (bp) ->tweet (hp) active.  There are some great full processor units like the MX8 and h660 and such, but those of course come with a significant price hike to compliment those features.    But what if all you really need is the crossover?    That's the situat