Description
The Audio-Technica AT831cH is a cardioid condenser lavalier microphone designed to deliver crisp, full-sounding audio for speech, presentations, performances, and instrument recording. Its compact clip-on design also makes it suitable for acoustic guitar applications, providing detailed sound pickup while helping suppress unwanted background noise.
Clear Audio and Focused Pickup
The AT831cH features a cardioid polar pattern and a frequency response of 40 Hz to 16 kHz for natural voice and instrument reproduction. With a maximum input sound level of 141 dB SPL and a dynamic range of 112 dB, it can accommodate a wide range of sound sources. Its low-frequency roll-off switch helps reduce unwanted low-frequency noise, while selectable off, flat, and roll-off settings provide flexible operation.
Convenient Wireless Connectivity
The microphone features a permanently attached 55.1-inch (1.4 m) cable terminated with a screw-down 4-pin cH-style connector for compatible Audio-Technica UniPak wireless bodypack transmitters. It operates using plug-in power and includes a clothing clip and foam windscreen for convenient placement and everyday use. Its lightweight microphone capsule supports discreet wearing in professional audio applications.
Product Specifications:
Product Type: Lavalier / Instrument Condenser Microphone
Microphone Element: Condenser
Polar Pattern: Cardioid
Frequency Response: 40 Hz–16 kHz
Low-Frequency Roll-Off: 80 Hz, 18 dB/Octave
Open-Circuit Sensitivity: -42 dB (7.9 mV) re 1 V at 1 Pa
Maximum Input Sound Level: 141 dB SPL at 1 kHz, 1% THD
Dynamic Range: 112 dB at 1 kHz, Maximum SPL
Signal-to-Noise Ratio: 65 dB at 1 kHz, 1 Pa
Power Source: Plug-In Power
Phantom Power Requirement: 11–52 V DC, 2 mA Typical (for applicable power module configuration)
Switches: Off, On-Flat, On-Roll-Off
Cable Length: 55.1 Inches (1.4 m)
Output Connector: Hirose cH-Style 4-Pin Male
Included Accessories: Clothing Clip, Foam Windscreen
Color: Black
Microphone Dimensions: 0.40-Inch Diameter × 0.98-Inch Length
Microphone Weight: 0.1 oz (2.8 g)
Package Weight: 0.135 lbs
Box Dimensions (L × W × H): 6.05 × 3.8 × 1.4 Inches