In theory the active should win hands down. The amp can be tailored to exactly compliment the speaker, with both a increase in performance and a very considerable savings, as it is no longer necessary to make the amp capable of driving a wide variety of loads. That said , all my equipment is passive. The only active speakers I have owned were Audio Pro in the 80s. Passive gives you the ability to tailor the sound to your taste. In the studio consistency in the prime consideration, the sound should remain the same over extended periods. If you hear an active system you like, go with it. Just remember that your ability at modify the sound is limited. Stan