Sennheiser MD 21-U compressor while a 180° polarity reverse

while a 180° polarity reverse switch ensures both amps play back in phase to avoid frequency cancellation

With 145dB SPL max acoustic input it is difficult to overload the microphone

Dimensions: 5

Phantom Power: 36 Volts DC

Sennheiser MD 21-U compressor while a 180° polarity reverseVersatile, sonically balanced omni directional microphones for both speech and music broadcasting. Extremely insensitive to handling noise, pop and wind noise. Rugged metal housing. The MD 21 U can be used for both speech broadcasting (interviews, reporting, discussions, etc.) and music broadcasting (boom and room mics). Features: Colour: black, sound inlet basket: refined steel. Rugged all metal body Extremely low sensitivity to handling noise Very