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

D655 Series UHF Wireless Microphone System


● Adapt infrared matching technology, 2 channels PLL technology
● Adapt UHF 740-790MHz, frequency adjustable, emit power adjustable
● 100 groups of UHF channel optional, adapt diversity receiving technology
● 2 balanced outputs (XLR) & 2 unbalanced (6.3mm) outputs
● With 2 output interfaces for remote monitoring
● LCD screen displaying 8-step RF level and 8-step audio level
● Max working distance up to 100m
  • Introduction
  • Specification
  • Connection

Carrier frequency

740-790MHz(The available frequency depends on local regulations)

Modulation type




Channel spacing


Frequency stability


Audio dynamic range


Max. deviation


Frequency response

50Hz~18KHz(±3dB)(The frequency of the entire system depends on the microphone unit)

Signal/Noise ratio


composite distortion

≤0.5% @1000Hz

Working distance

About 80 meters约80m

(The working distance depends on many variables, including absorption, reflection and interference of RF signals)


   Working temperature

Working Temperature




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  • Tel:+86 020 37166520
  • Fax:+86 20 81305947
  • Address:Jianggao Town, Baiyun District, Guangzhou, China