All include . The difference between is the brand and the crossover points.

Legacy LXR7

Boss Audio BX35

Pyle PLXR8

Pyramid CR74

Lanzar SX310

MA Audio HK3X

Audiopipe XV3

SSL SX310

I just wanted to know what the opinions are out there and if you choose none of the above what 3-way crossover would you choose. The crossover has to have 3 RCA Inputs(Front, Rear, Sub) & 3 RCA Outputs(Front, Rear, Sub) in order to compare accurately. Thank you for your time.