Do you still need the line amplifier thing when using an MA-150?
It's wonderful. Of course, it'd be nicer if the laptop and MA-150 were smaller and lighter. :-)
In my opinion it's the best Hilton amplifier so far.
The 'Signal Booster' is not needed with the MA-150. I only use the signal booster when I'm calling at conventions and other places on 'antiquated' (older) systems.
I carry my MA-150 amplifier almost everywhere I call. It's small and easy to carry on the plane. (Of course, the TSA airport security screeners sometimes ask questions since there's an 'unidentified' round metal disk inside the amplifier.)