Which is better for a DBA (Swarm); powered subs or unpowered?


I want to start building a swarm (starting with 2 subs), on a budget.  Starting with $1000, am I better off buying two used powered subs, three less expensive used powered subs, or a subwoofer amp (eg Dayton SA1000) and two (less expensive) used unpowered subs?  What is the advantage of having a discrete subwoofer amp?  Room size is 13'x22'. 
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Showing 1 response by brockwired

Here is some info to help anyone sort out the "Swarm" .

https://jamesromeyn.com/audiokinesis-speaker-models/debra/

He makes a licensed clone of the Audio Kinisis Swarm. It sums up the design philosophy quite nicely.

I am thinking about building my own at some point in the future.