Can anyone tell me what the driver attachment is for this horn?

Also, while I have your attention, would this be OK in a Living Room (Not my primary) system? Would I be better served by a pair of 2342s at over twice the price?

TIA, and I love this forum. I don't feel like such a weirdo with the guys here. We share a common passion. Every one else tells me to buy some REAL speakers.

Edit: I guess I should mention that they would be used with 2416 drivers.