HouseOfCommon 30W Audio Power Ampl Board Dual Channel Stereo-EHK1505 Sound Recorder and Sound Circuit Electronic Hobby Kit
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How to use: 1. The power supply voltage limit is 16.5V, do not use more than this voltage. 2. The power supply is recommended for 12v, 3A power supply filter better. 3. 4-8 inch stereo speakers recommended. 4. Do not short-circuit the audio output to each other or shorted to ground. 5. Carefully check before electricity, ensure wiring is correct before electricity.
