The AIAIAI (eye, eye, eye) TMA-1 was designed and marketed primarily as a DJ club headphone.  I am not a DJ so I purchased the TMA-1 as a portable headphone, and this review is based on that function, not as a DJ headphone.   Function: The TMA-1 is made out of a rubberised plastic type of material, which results in them being fairly flexible with a sturdy, durable feel to them.  The design is based on a simple one piece headband and the cups do not fold up in anyway (they are flexible enough that DJ’s can bend/flex one cup off the ear...