Mini AKE-1 PAM8403 Power Amplifier Speaker DIY Kit

Product Introduction:

1.Model: AKE-1
2.Operating Voltage:DC 4.5-5V
3.PCB Board:42*31mm
4.Circuit Principle: stereo sound audio signal is input by J2; since left/right channel circuit
  are completely symmetric, and we take one of them as example in here to analyze signal process;
  audio signal is sent to C5 capacitor through VR1 volume potentiometer;R2 resistor is input to U1
  chip the 10th pin; after internallt amplified by U1, it will be output to loudspeaker through U1 the
  14th pin and 16th pin. J1 is power input port, C7 is power filtering capacitor.

Circuit Picture:

Packing List:

Notice:
1.The limit operating voltage of the chip is 5.5V;if uses battery for power supply,the total
  voltage should not be over 5.5V,or it will cause damadge to the chip.
2.Since there is great gain in the digital volume control of the chip,please don't let input
  signal too large to cut the amplitude limit when increasing its volume,or it will lead to
  sound distortion or even destroy the chip.


1. Tested by ICStation's Outstanding Partner Lukas Ekers:

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2. Tested by ICStation's Outstanding Partner 12voltvids:

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(The language in the video is English)

3. Tested by ICStation's Outstanding Partner RobertNetworks:

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(The language in the video is Spanish)

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Note:

1) APO and PO Box Addresses

3. Note
1) Delivery Time of mixed orders with items in different Shipping Status should be calculated using the longest estimate times listed. 
2) Chinese Holiday Reminder: During annual Chinese holidays, services from certain suppliers and carriers may be affected, and delivery for orders placed around the following times may be delayed by 3 - 7 days: Chinese New Year; Chinese National Day,etc. 
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