The M23 from Earthworks is a cost-effective reference microphone for SMAART, MLSSA, Spectrafoo software, TEF and RTA, and all audio band measurements. It has a flat frequency response, fast impulse response, and exceptional polar characteristics.
The company is well known and respected for its reliable reference and measurement microphones. The M23 is highly accurate in the time domain and frequency response and is optimized for clean and very fast impulse performance. Additionally, the microphone is immune to most temperature and atmospheric fluctuations.