I would suspect that the pack would work with the 750 and 950 as well as the T4. Not sure, but you may want to check with Yamaha Customer Service just to be on the safe side.

Cheers,

Gary cool
_________________________
PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)