User Manual Q&AAnswer
Feb 24, 2025 - 11:42 PM
To connect the velleman K2637 Super Mini 2.5W Audio Power Amplifier to your portable audio equipment, you will need to follow these steps:
1. Make sure you have a power supply with a voltage range of 4.5 - 15VDC and a current rating of at least 400mA.
2. Connect the positive terminal of the power supply to the "+" terminal on the amplifier board and the negative terminal to the "-" terminal.
3. Connect the audio input signal from your portable audio equipment to the "IN" terminal on the amplifier board. The input sensitivity can be adjusted using the selectable switch (20-150mV).
4. Connect your speakers to the "+" and "-" terminals on the amplifier board. Make sure to match the impedance of your speakers with the amplifier's output impedance (4Ω).
5. Once all the connections are made, turn on your portable audio equipment and adjust the volume to a suitable level.
Please refer to the velleman K2637 Super Mini 2.5W Audio Power Amplifier User Manual for more detailed instructions and diagrams.
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