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

D7322 5G WiFi Conference Delegate Microphone with Voting Function


● Use 2.42 inch OLED screen, display voting results, volume, microphone status, power state, WiFi status, etc.
● Wide viewing angle, with high contrast 128 × 64
● Built-in rechargeable lithium battery, battery capacity 10000mAh, continuously speaking for more than 8 hours
● 128-bit AES digital encryption technology, WAP / WAP2 security connection, MAC address filtering, hidden SSID, prevent eavesdropping and unauthorized access
● High directive microphone, with windproof cover, with LED indicator ring, speech for red, wait for green
● D7322 is delegate microphone, location is unrestricted, support check-in function
● Using a low-delay technology, minimum delay is less than 20 ms; non-compressed audio transmission,
● 48K sampling rate, digital control, high quality of audio transmission

  • Introduction
  • Specification

D7322 is delegate microphone, location is unrestricted, support check-in function. Using a low-delay technology, the minimum delay is less than 20 ms and non-compressed audio transmission. With 48K sampling rate, digital control, high quality of audio transmission.
New Generation Full Digital 5G Wi-Fi Wireless Conference System, Instantly Setup, leave more time for inspiring minds. DSPPA, make wireless come true.The major pain point on traditional meeting room is to connect all devices by cable, which is complex and wasting of time. DSPPA Wireless conference system, start the meeting in anytime, anywhere, increase the efficiency on planning.



Structure Type


Effective Frequency Range of Gain Limitation (± 3db)

Unit A To Unit B.


Host Line to Unit


Unit to Host Line


Speaker Power


Static Power Consumption


Maximum Power Consumption:


Signal-to-Noise Ratio


Crosstalk Attenuation


Harmonic Distortion


Headphone Output

9dBu, 8-32 Ω, 3.5mm

Operating Power Supply(Battery Pack)

DC5V is charged by Type-C port (more efficient charging in off state)


Microphone Type

Elector cardiac capacitive type



Input Impedance


Equivalent Noise




Package Dimensions

485×280×120mm (with two in a box)

Machine Dimensions (W × D × H)


Gross Weight


Net Weight


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  • Tel:+86 020 37166520
  • Address:No.1 Xiahe Rd, Jianggao Town, Baiyun District, Guangzhou, Guangdong, China
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