Cardioid studio microphone delivers warm and smooth audio reproduction in close-proximity studio and vocal applications. Features include wide-range frequency response, bass roll off and mid-range control, and internal air suspension shock isolation.
 Publications 
SM7BCardioid Dynamic Vocal Microphone
General Description
The Model SM7B dynamic microphone has a smooth, flat, wide-range frequency response appropriate for music and speech in all professional audio applications. It features excellent shielding against electromagnetic hum generated by computer monitors, neon lights, and other electrical devices. In addition to its standard windscreen, it also includes the A7WS windscreen for close-talk applications.
The SM7B is an outstanding choice for the following applications:
Recording Studio—Instrumental and Vocal
Location Recording
Motion Picture and Television Scoring
Television, Talk Shows, and News Desks
Radio Announcing and Production
Specifications 
Type
Dynamic (moving coil)
Frequency Response
50 to 20,000 Hz
Polar Pattern
Cardioid
Output Impedance
150 Ω
Sensitivity
(@ 1 kHz, open circuit voltage)
-59 dBV/Pa[1] (1.12 mV)
Hum Pickup
(typical, at 60 Hz, equivalent SPL/mOe)
11 dB
Polarity
Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Net Weight
0.764 kg (1.69 lbs)
Housing
Dark gray enamel aluminum and steel case with dark gray foam windscreen.
[1] 1 Pa=94 dB SPL
Narration