I havwe a MMS-4,"Phantom" and I eally like it. I got it from Folk of the Wood;
Folk of the Wood - Morgan Monroe page
They were great to deal with, I had 1 problem and they sent me a new mando right away and paid for shipping of the old one back to them.
As far as the mando goes it sounds great. I have had a great time playing it in. It has plenty of volume and a nice chop to it. It sounds good in a group with no trouble being heard. I picked it because of the sound and color scheme. I am totally satisfied with it.
Folk of the Wood also has sound/video clips so you can listen to an instrument:
Morgan Monroe sound/video clips
Good luck happy pickin'
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Proclaim the good news of His salvation from day to day.
Declare His glory among the nations,
His wonders among all peoples." (Psalm 96:2-3,NKJ)