Dynamic microphone designed for drums and percussions, wind instruments, and guitar amps. Patented AKG Varimotion diaphragm. Custom built capsule mounting. Spring steel wire-mesh cap. Rugged all-metal body withstands typical tough handling on stage. The D40 with its solid all-metal body will stand up to the hardships of night-after-night onstage use "with a smile". The Varimotion diaphragm deep-drawing process allows the diaphragm itself to be fine-tuned with no need for tuning resonators, leading to a quantum leap in audio performance. The transducer is protected by a sturdy wire-mesh cap and takes extremely high sound pressure levels with ease. An integrated stand adapter and standard H440 mounting bracket for snare drums, tom-toms, etc. make the D40 a highly versatile tool for use on drums, percussions, wind instruments, and guitar amps.