look at the Qms - 17.8 - extremely high!
Wow, looks like something that was made on someones kitchen counter. Look at that whizzer cone. Not a single response plot to be found anywhere
For me the price point would demand +/-3dB over the same frequency range at the listening position.
Please read up on phenolic damper and understand how their design are implementation before making such sweeping statement.
I don't understand why so many people start to commenting the driver design and yet none never even tried designing or make a speaker driver from scratch.