5 Sennheiser MD 421 The industry standard large-diaphragm dynamic. 1 Electro-Voice RE20 Normal directional mics sound thinner when you go further away, due to the proximity effect . This one does not. 1 AKG D 112 Large-diaphragm dynamic microphone for bass instruments. 1 AKG D 3500 Dynamic cardioid. 2 BSS AR-133 DI's.