The KSM44SL is a multiple pattern (cardioid, Omni directional, bidirectional), externally biased, dual large diaphragm condenser microphone with extremely low self-noise (7dB). Developed to meet the needs of studio recording musicians, the warm, rich sound of the KSM44 delivers exceptional performance, tailored to deliver vivid reproduction of voice for the most critical recordings. The KSM44 also offers great flexibility in a variety of recording applications, working well on acoustic and amplified instruments, as its capacity for managing high SPLs accommodates loud sound sources such as drums and guitar amplifiers. Performance Characteristics: No cross-over distortion Extremely uniform polar response Superior common mode rejection and suppression of radio frequency interference Durable zinc die-cast housing and hardened low carbon steel grille to protect cartridge from accidental drops or misuse Integrated three-stage pop protection grille to guard against wind and breath noise Internal shock mount to reduce unwanted handling and stand noise