The ST1, based on the STC-3D and providing the same features and quality of sound, is a multipurpose electrostatic studio/live mic equipped with a low cut filter and attenuator and with a capsule large diaphragm (34 mm) with 1" diaphragm.It will make sure you are able to keep on top of all your live recordings: voice, percussion, guitar, piano, atmospheric, brass, etc.