I need replacement tweeter suggestions for OHM Walsh 4XO speaker

I'm wanting to replace the metal dome tweeters (not sure what make and brand they are) in my pair of OHM 4XO speakers with either the Bohlender Graebener Neo3 or the HiVi RT2C-A Planar Isodynamic Tweeter. Anyone have any thoughts as to which of these might sound better sonically? Or anybody have any other thoughts I may want to consider?

4XO specs:

Impedance: 6 ohms
Power: 50 - 200 watts
Frequency Response: 32 - 20,000 Hz
Sensitivity: 90 dB

Thanks in advance for any advice!

I asked this question on another forum and got zero responce...