2pcs Mini LM386 DC 3-10V Micro Audio Power Amplifier Amp Board Module 750mW New

Description

Features:
Working voltage: 3.8V-10V (voltage falls below 4V sound will be significantly reduced, the maximum can not exceed 15V).
Operating Current: 1mA (static) to 150mA (max).
Output Speaker Impedance: 4 ohms.
Supported Speaker power: 0.5W-25W (in fact, any power speaker can be used, speaker volume, and power is not so much, as long as the amplifier output is greater than the rating on the line, big horn sound may be bigger point).
Output power: 750mW (max). 6. Volume: 20mm * 12 mm * 7.5mm(LxWxH).
Used to make very good mic preamp, AC ripple and noise is low, the output signal voltage is greater than 1V or more, and promote post-amp signal values are very strong.
The output volume can be adjusted range: 0 to 100%, on-board potentiometer only fine-tuning, the conventional audio volume can be adjusted directly by control.
Package included:
2 x Mini LM386 Audio Power Amplifier Board DC 3~10V 5V Micro Amp Module 750mW
Instructions/schematic are NOT included. We don't provide technical assistance please make sure that you are familiar with the product before purchasing.