Guangzhou DSPPA Audio Co., Ltd.
Tel: 020-28346138
Fax: 020-81305947

DSP9231 Boundary Microphone


● Element: Back Electret Condenser
● Polar Pattern: Omni-directional
● Frequency Response: 50Hz~16kHz
● Sensitivity: -38dB±3dB (0dB=1V/Pa at 1kHz)
● Output Impedance: 200Ω±30% (at 1kHz)
● Operating Voltage: DC 9~52V Phantom

  • Introduction
  • Specification

DSP9231 The boundary microphone is most successfully mounted on existing surfaces such as tables, floors, and walls. The small and exquisite modeling makes it easy to hide. It is designed with nut collar for easy setup. In order to coordinate with engineering installation, the microphone operates at 9~52V phantom power. The microphone is complied with standard XLR connector.




Back Electret Condenser

Polar Pattern


Frequency Response



-38dB±3dB (0dB=1V/Pa at 1kHz)

Output Impedance

200Ω±30% (at 1kHz)

Operating Voltage

DC 9~52V Phantom

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