Active Speakers - can you do better?

[Dolby]

I've always - can you do better amp wise?

I've currently got a set of Elac 407 and I've just been made aware of a demo set of Elac 407 active. But I wonder what those built in amps are and what level they are as well?
Could one do better by adding your own amps, even adding high end brands?

I've never had active speakers

 

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