One of the Best Performance/Price High efficient Loudspeaker from Audio Note is AN-E SPe HE model.
The crossover is simple, essentially first order 6db. In the time domain both drive-units are connected with the same positive acoustic polarity
Impedance 6ohm
Sensitivity 97.5db
Amir Audio will Demo AN-E SPe HE in the Showroom as soon as Possible.