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Amplifier Board Module
Created with Pixso. CA-8403S Mini Digital Preamplifier Board DC 5V 2 Channel 2*3W PAM8403 Amplifier Audio Module

CA-8403S Mini Digital Preamplifier Board DC 5V 2 Channel 2*3W PAM8403 Amplifier Audio Module

Brand Name: creatall
Model Number: CA-8403S
MOQ: 10pcs
Price: negotiable
Delivery Time: 5-8 work days
Detail Information
Place of Origin:
Guangdong, China
Features:
Amplifier Audio Module
Application:
Amplifier Audio Module
Technology:
Amplifier Audio Module
Series:
Amplifier Audio Module
Mounting Type:
Direct Mounting
Description:
Amplifier Audio Module
MODEL NO:
CA-8403S
TPYE:
Digital Amplifier Module
POWER:
2*3W
Port:
Shenzhen Port
Packaging Details:
carton box
Supply Ability:
10000 Piece/Pieces per Day
Highlight:

CA-8403S Digital Preamplifier Board

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PAM8403 amplifier board supplier

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wholesale amplifier board supplier

Product Description
CA-8403S Mini Digital Preamplifier Board DC 5V 2 Channel 2*3W PAM8403
Product Overview

CA-8403S DC 5V 2 Channel Mini Digital Audio Amplifier Board delivering 2*3W power output with high-fidelity sound quality.

Technical Specifications
Power Supply: DC 5V
Output Power: 2 × 3W
Channels: 2 Channel Stereo
Dimensions: 29.5 × 20.2 × 15mm (excluding potentiometer)
Speaker Compatibility: 4Ω, 8Ω small speakers
Key Features
  • Compact digital amplifier chip with high-definition sound quality
  • Optimized circuit configuration with 470μF power supply filtering
  • Excellent noise suppression - virtually silent when no audio input
  • Class-D digital power board with unique non-LC filter design
  • Compatible with computer USB power supply
  • Double-sided PCB wiring for balanced ground potential and reduced crosstalk
  • Ultra-miniature design for integration into small digital products
  • 15-year lifespan expectancy
  • Integrated switch potentiometer for power control
Important Notes
  • Left and right channel negative outputs cannot be connected together - this will damage the IC
  • Always connect speakers (load) before applying power
  • Rated operating voltage: 2.5V - 5V
  • Maximum operating voltage: 5.5V
CA-8403S Mini Digital Preamplifier Board detailed view
Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

J
Johan van der Velden
Netherlands Mar 18.2026
Zeer goede kwaliteit module! Geen signaalverlies, laag geluidsniveau. Compact en duurzaam, werkt perfect in mijn audio project.
S
Santiago Pérez
Argentina Mar 8.2026
Excelente placa amplificadora clase D! Fácil conexión, sin ruido, emparejamiento inalámbrico estable. Ideal para parlantes DIY pequeños.
И
Иван Петров(Ivan Petrov)
Russian Federation Feb 22.2026
Отличный усилитель с мощным басом! Отличный звук 2.1 канала, глубокий низкий бас. Стабильное питание 12В, простая установка.