The world's highest SNR MEMS microphonesensiBel's patented optical ultra-low noise MEMS (Micro-Electro-Mechanical System) microphone features >80dB Signal-to-Noise-Ratio (SNR), without compromising Acoustic Overload Point (AOP) and Total Harmonic Distortion (THD) - a quantum leap in performance compared to today's mainstream MEMS microphones