SHIDU specializes in portable audio technology, manufacturing voice amplifiers, portable speakers, and wireless microphone systems for teachers, tour guides, and public speakers.
SHIDU is a prominent brand owned by Shenzhen Shidu Digital Technology Co., Ltd., specializing in acoustic engineering and audio technology since 2012. The brand is widely recognized for its high-quality personal voice amplifiers, portable PA systems, and wireless microphones.
Designed for professionals who rely on their voice, such as teachers, tour guides, coaches, and presenters, SHIDU products ensure clear communication in large rooms or outdoor environments. Their portfolio features patented designs, UHF wireless technology, and Bluetooth connectivity, blending portability with powerful sound projection.
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Howling or feedback occurs when the microphone is too close to the speaker. To prevent this, keep the microphone at least 60cm away from the amplifier, ensure the microphone capsule is not pointing directly at the speaker, and adjust the volume downwards if necessary.
Turn on the amplifier and switch to UHF mode. Long press the 'M' (Mode) or pairing button until the display flashes or prompts 'waiting for connection'. Then, turn on the wireless microphone and long press its pairing button (often the WiFi icon) until the connection is confirmed by a steady light or voice prompt.
First, check if the battery is charged; the indicator light should be on. If using a wired mic, ensure it is plugged into the 'MIC' port properly. If using a wireless mic, confirm it is powered on and successfully paired with the unit. Also, verify that the volume on both the amplifier and microphone is turned up.
It is generally recommended to use a standard DC 5V adapter rather than a laptop USB port, as the laptop port may not provide sufficient current for efficient charging. Most SHIDU models use a Type-C or Micro-USB charging cable.