User Manuals, Instructions and Guides for Shenzhen Winwin Technology products.
Shenzhen Winwin Technology S388 Voice Amplifier Instructions
The S388 Voice Amplifier user manual by Shenzhen Winwin Technology provides instructions for operating the S388S398GY model. The manual includes a detailed description of the functions of the amplifier's buttons and indicators, including UHF mode, microphone input, USB playback, and cycle function.