Going with Roxul Safe n Sound in three corners. Plus going to build bass traps long the top all way around the room.
Have wall treatments 2x4 three on each side wall first and second point reflections have two on the front wal. On the back wall not sure if I wan going with two panels or a 6 x 4 diffuser.
Will post pick later once I get to work on the rest


Anthem MRX520
M5HPv4
VP160HPv4
QS10v4