Jaycar CT2511 piezo compression driver opinions?

[AllenB]

I want to use this down to 2k in a budget HT setup.
Replacement Tweeter for CS-2516 - Jaycar Electronics

Any opinions on it? It is a replacement for the 12" CS2516 foldbacks.
12" Foldback Speaker - Jaycar Electronics

 

[PeteMcK]

I know they're cheap, but I'd steer away from using piezos that low. Crossed over properly, they're good from ~ 4KHz or so & up. For a 2 way, I'd stick with a conventional tweeter, this one is good value
HiVi K1 [K1] - $29.00 : Darcher Audio