FINE X-over is the ideal program for optimising your loudspeaker system. Use the mouse-wheel to roll through standard E24 components and see the response change immediately.

Or let the Intelligent Optimiser find the best flat response while keeping the minimum impedance and calculating the real power in all components.

Optimized woofer section
Optimized Midrange Section
Midrange Target
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3-way X-over with Delays