Mini LM386 Audio Power Amplifier Board DC 3V 5V 12V Micro Amp Module 750mW DIY

Description

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Description
1 working voltage: 3.8V-12V (voltage lower than 4V sound will be significantly reduced, the maximum can not exceed 15V);
2 working current: 1mA (static) to 150mA (max);
3.output impedance: 4 ohm - 32 ohms ;
Support. Horn power: 0.5W-25W (in fact, any power horn can be used, the volume and power horn not too big relations,
as long as more than of the amplifier output ratings on the line, big horn sound may would be greater);
5 output power: 750mW (max);
6 Volume: 20 (long) *12 mm (wide) *7.5 mm (high) mm;
7 used to do the microphone preamplifier effect is very good, noise and AC ripple is very low,
the output signal voltage is greater than 1V,
and promote the signal value of the power amplifier is very strong.
8. The output volume adjusting range: 0 ~ 100%, onboard potentiometer only fine-tuning,
conventional volume can be directly through adjust the sound source control.
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Delivery details
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The Delivered time to USA buyer is about 7~20 days, other country about
15~35
days delivered.
Notes: pls contact us if you need need trackable or express shipping service.
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