Shure have produced another fantastic studio microphone with the KSM44/SL, which has multi pattern pick-up ( cardioid, omnidirectional, bidirectional ), low self noise and has specifically developed to meet the needs of studio recording musicians and vocals.
The KSM44/SL produces a warm, and precise sound that delivers excellent reproduction of voice and instrument for the most critical recordings.

Performance Characteristics
Extended frequency response
Very low self-noise
Exceptional low-frequency reproduction
High output level
High input SPL capability
No cross-over distortion
Extremely uniform polar response
Superior common mode rejection and suppression of radio frequency interference

Applications
The KSM44/SL is designed as a premium vocal microphone for studio recording. Microphone use, however, is a matter of personal taste. Here is a non-exhaustive list of common applications:
Vocals -- solo, background, voice-over
Acoustic instruments -- such as piano, guitar, drums, percussion, strings
Wind instruments -- brass and woodwind
Low frequency instruments -- such as double bass, electric bass, kick drum
Overhead miking -- drums or percussion
Ensembles -- choral or orchestral Room ambiance pick-up -- guitar amplifier or drums