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Audio-Technica AT831cH Lavalier Microphone

The AT831cH is the cardioid condenser lavalier from Audio-Technica's AT831 family, permanently terminated with a cH-style screw-down 4-pin connector for Audio-Technica cH-style bodypack transmitters. Its cardioid pattern favors the wearer and rejects sound from the sides and rear, which controls feedback and room noise where an omnidirectional lavalier would struggle.

The 55 inch (1.4 m) miniature cable keeps the connection tidy on a beltpack for presenters and performers who move. It clips discreetly to clothing for speech and handles acoustic instruments that need isolation, and it ships with a foam windscreen and clothing clip.

ElementFixed-charge condenser, permanently polarized
Polar PatternCardioid
Frequency Response40-20,000 Hz
Form FactorLavalier and instrument microphone
Cable55 in (1.4 m), permanently attached
TerminationcH-style screw-down 4-pin bodypack
IncludedWindscreen, clothing clip
Audio-Technica AT831b Review (same AT831 capsule)
Audio-Technica AT831B Lavalier Mic Review (same AT831 capsule)