If you've been looking for precise, detailed sound reproduction, you've found it in this fantastic mic from Shure. The SM81 is a world-standard for choir and overhead cymbal applications. Its ruler-flat frequency response can be modified via a bass roll-off switch. A unidirectional design captures all the sound you could want and more.
Shure SM81 Small-diaphragm Condenser Microphone Features at a Glance:
Small-diaphragm design with a uniform cardioid pickup pattern
Flat, 20-20,000Hz frequency response
Switchable onboard -10dB pad
Low RF susceptibility
Selectable low-frequency response — flat, 6/octave, or 18dB/octave rolloff
Rugged steel construction for durability
Specification
Microphone Type......................Condenser
Polar Pattern(s)......................Cardioid
Frequency Response.....................20Hz-20kHz
Max SPL...............................136
dB (146 dB w/Pad)
Output Impedance.....................150
ohms
Signal to Noise Ratio.................78
dB (IEC 651) at 94 dB SPL
Self Noise.........................16
dB (A-weighted)