Swapping Kt88 tubes on muzishare x7 for Kt150


Is it possible that I can swap out the KT88 Tubes on my muzishare x7 for the KT150s for deeper bass 

hvuck

The owner’s manual says: KT88EH、6550EH、6550、6550A tubes.

KT150s would NOT be plug and play as far as I can determine.