R REIFENG 5pcs Mini PAM8403 DC 5V 2 Channel USB Digital Power Amplifier Board Module 2 * 3W Volume Control with Potentionmeter
Product Description
R REIFENG 5pcs Mini PAM8403 DC 5V 2 Channel USB Digital Power Amplifier Board Module 2 * 3W Volume Control with Potentionmeter
- ✔PAM8403 small mini 5 v digital power amplifier board (can be USB powered) (XY) board USES PAM8403 digital power amplifier chip, circuit is simple, reliable work.
- ✔Working voltage of 2.5 V to 2.5 V, 3 wx2 maximum output, efficiency can achieve 90% above, can use computer USB 5 V power supply.
- ✔The working voltage power supply positive and negative don't wrong, otherwise the chip has the potential to damage.
- ✔Small size, and is equipped with switch, potentiometer, can follow one's inclinations of the volume, and control the power switch to use and install is very flexible and convenient.
- ✔It is very suitable for battery and portable electronic products.
Operating voltage: 2.5V-5.5V
Maximum output power: 3W*2(5V 4Ω)
Size :29.5*20.2*15mm
Note:
please make sure the power supply is not more than 5.5V
please don't do reverse polarity for "+" and "-", or else, it will burn the board.
Technical Specifications
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