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Audio amplifier PAM8403 Review

2

·

Average

Revainrating 3.5 out of 5  
Rating 
3.5
Electronics, 🎵 Home Audio, 🎵 Stereo System Components, 🎵 Home Audio

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Media

(3)
img 1 attached to Audio amplifier PAM8403
img 2 attached to Audio amplifier PAM8403
img 3 attached to Audio amplifier PAM8403

Photos by authors

(1)
img 4 attached to Audio amplifier PAM8403

Description of Audio amplifier PAM8403

Class D stereo audio amplifier module, based on PAM8403 chip, 3+3W power supply 2.5 - 5V, which is used in most miniature low-voltage power amplifier solutions - portable speakers, bluetooth speakers, MP3 players, MP4 players and etc. Connect the speakers first and then the power supply, otherwise it is easy to damage; Characteristics: Amplifier conversion frequency (Class D): 350 kHz (this eliminates the use of inductors in the circuit - they are replaced by speaker inductance, minimizing the size and weight of the stereo amplifier) ​​Efficiency: more than 90% (does not require cooling radiators) Operating voltage (V) : 2.5-5, Power per channel: 3W. Dimensions(mm): 18 x 21mm.

Reviews

Global ratings 2
  • 5
    1
  • 4
    0
  • 3
    0
  • 2
    1
  • 1
    0

Type of review

Revainrating 2 out of 5

The purchase is a failure, very dissatisfied.

The photo of the product is not true. Instead of the presented assembly, they sent only a board with a microcircuit, the regulator, filter and connectors are not included in the package.

Pros
  • Not found.
Cons
  • Product photo is not true