Cheap TONLEN 10pcs PAM8403 Mini Digital Amplifier Board 3W*2 High Power DIY Car Exter Speaker Class D Audio Digital Amplifier Module Compare Prices For

Cheap - TONLEN 10pcs PAM8403 Mini Digital Amplifier Board 3W*2 High Power DIY Car Exter Speaker Class D Audio Digital Amplifier Module Excellent

Compare Prices For - TONLEN 10pcs PAM8403 Mini Digital Amplifier Board 3W*2 High Power DIY Car Exter Speaker Class D Audio Digital Amplifier Module Cheap

Cheap TONLEN 10pcs PAM8403 Mini Digital Amplifier Board 3W*2 High Power DIY Car Exter Speaker Class D Audio Digital Amplifier Module

Product ID : 32907084251

Price : $6.34 - 14.59

Discount Price : $28.69

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Item specifics

• 
  Maximum Power Per Channel:
  4W
  


• 
  Brand Name:
  TONLEN
  


• 
  Channels:
  2 (2.0)
  


• 
  Model Number:
  PAM8403
  


• 
  Package:
  No
  


• 
  Power Supply:
  DC 3.6V-5.5V
  


• 
  Output power:
  3W + 3W (4 ohms)
  


• 
  Signal to noise ratio:
  90dB
  


• 
  Efficiency:
  >90%
  


• 
  Size:
  24*15.5*mm
  


• 
  Positioning hole size:
  pitch 20mm,hole 2mm
  

Product Description

TONLEN 10pcs PAM8403 Mini Digital Amplifier Board 3W*2 High Power DIY Car Exter Speaker Class D Audio Digital Amplifier Module

Introduction to use:

The PAM8403 is a Class D digital amplifier with high efficiency.

Ultra-mini digital power amplifier board,

New high-efficiency digital amplifiers,

Power supply voltage: 3.6 to 5.5V. It can be powered by USB 5V or with lithium battery, or with four 1.2V batteries. Powered by a transformer. Be sure to add 5V regulator circuit, more than 6V chip will burn out! It is recommended to take USB 5V or use a single-cell lithium battery. At 5V, the output is 3W x 2.

The ultra-thin board can be easily placed in the gap of small plastic boxes or other equipment, such as making MP3/4 or notebook external speakers. It is the best substitute for upgrading TDA2822 and TEA2025!

 

Application:

LCD TV/monitor, megaphone, laptop, portable speaker, card speaker, portable DVD player, game console, mobile phone/hands-free phone, etc.

Board size: 15.5*24mm.

Very suitable for electronic enthusiasts DIY learning.

 

advantage:

The internal special output processing circuit eliminates the traditional LC network and has a lower EMI value than LC! Maximum power output at lower voltage, super power saving, built-in standby electronic switch, built-in high gain buffer amplifier, built-in short circuit protection.

 

parameter:

Power supply: DC 3.6V-5.5V

Output power: 3W + 3W (4 ohms)

Signal to noise ratio: 90dB

Efficiency: >90%

Size: 24*16mm

Positioning hole size: 20mm pitch, hole diameter: 2mm

 

note:

1: The positive and negative poles of the power supply cannot be connected in reverse. The power supply voltage should not exceed 5.5V, otherwise the IC will be damaged.

2: There is a high gain buffer on the chip. It is not possible to change any component parameters on the board. Non-conforming parameters will cause IC damage.

3: Please use the shielded wire as much as possible for the input line, which can play an anti-interference effect and eliminate the clutter current.

4: The output is the BTL driving mode of the cmos tube. The negative poles of the left and right speakers cannot be connected together, that is, the 4 lines connecting the speakers are completely independent, and are not allowed to be connected together!

 

Packaging Details

• 
  Unit Type:
  piece
  


• 
  Package Weight:
  0.1kg (0.22lb.)
  


• 
  Package Size:
  10cm x 10cm x 10cm (3.94in x 3.94in x 3.94in)
  

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