** The B215 is a passive speaker -- as stated at the top of the first page of the link.
Says: " * 2 professional speaker connectors (compatible with Neutrik Speakon
The "details" tab give you a different model -- the B215D which incorporates a class D amplifier.
The OP made it VERY clear which model he was on about.
Maybe. You will perhaps forgive me for making the not-unreasonable assumption that a product sheet is supposed to be about one product, not two. (Yes, I saw the B215D model number on the Details page.)
I'm still wondering why any company would use a stereo connector for a mono circuit -- but who said the world is rational?