*Previously posted in the Full-Sized Headphones forum.  I only recently became aware of the review section of Head-Fi.*     PREFACE   This is largely intended to be a review of the AiAiAi TMA-1 with using the Audio Technica ATH-M50 as a point of reference.   A forum member asked for this comparison in the main TMA-1 thread.  I ordered the TMA-1 as a possible replacement for my M50 as my "banger 'phone" (i.e. a multipurpose headphone that could come along with my MacBook Pro wherever I go, use to just throw on unamped for a quick listen...