S820 Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for S820 products.

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S820 manuals

Latest posts, featured manuals, and retailer-linked manuals for this brand tag.

10shidu SD-S820 Bluetooth Voice Amplifier User Manual

July 28, 2023
10shidu SD-S820 Bluetooth Voice Amplifier Please read the instruction carefully before using it. Note: Before turn on the amplifier, ensure that the MIC don't point at the amplifier, this will eliminate any annoyance associated with howling. For ensure better amplification,…