2026 Guangzhou DSPPA Audio Co., Ltd.
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2026 Guangzhou DSPPA Audio Co., Ltd.
2026 Guangzhou DSPPA Audio Co., Ltd.
2026 Guangzhou DSPPA Audio Co., Ltd.
Audio Conference
Audio Conference
Audio Conference
Intelligent Conference System IP Audio Conference System Dante Audio Conference Speaker Digital Conference System Immersive Audio System AI Intelligent Digital Conference System
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  • expansion-microphone-1
  • expansion-microphone-3
  • expansion-microphone-2
  • expansion-microphone-4

Expansion Microphone D7706

  • Compact design with a mute key and status indicator lights.

  • Comes with two 3.5-meter expansion microphone cables.

  • Strong anti-Interference capacities, ensures clear and stable audio performance.

  • Fully compatible with the D7700 video conference collaboration system.

  • Supports AEC, NC, and AGC for enhanced audio.

  • EMI technology for optimal microphone positioning.

  • Offers a 10-meter expansion and 8-meter built-in range.

  • Compatible with Windows, Mac, Android, iOS, and Linux system.

Get Quotation
DETAILS
SPECS

The D7706 expansion microphone offers strong anti-interference capabilities, excellent stability, no distortion, and consistent frequency performance. It is compatible with the D7700 video conference collaboration system and microphones, making it suitable for a wide range of professional conference rooms.

Mode

D7706

Voice Technical Parameters

Acoustic Echo Cancellation (AEC)

>65dB

Echo Length Cancellation

≤500ms

Directional Noise Compression (NC)

＜18dB

Intelligent Microphone Auto-Positioning Technology (EMI)

Support

Automatic Gain Control (AGC)

Support

Audio Parameters

Microphone Frequency Response

100Hz-22kHz

Speaker Frequency Response

100Hz-22kHz

Speaker Volume

Max. 95dB

Expansion Microphone Pickup Range

5 meters

Supported Systems

Windows7/Windows8/Windows10, Mac OSX, Android, iOS, Linux

Others

Interface

RJ9  Expansion Microphone× 2

Dimension

Φ100×40mm

Accessories

Expansion Microphone Cable× 2, Length 3.5m /Per Piece


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