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

audio amplifier board
January 09, 2025
Category Connection: Amplifier Board Module
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Tags:
#Power Amplifier Board #Amplifier Circuit Board #Dual Channel Amplifier Board
Brief: Discover the CA-8403S Mini Digital Preamplifier Board, a compact and powerful 2-channel audio amplifier with 2*3W output. Perfect for high-definition sound, this board features a 5V power supply, excellent noise suppression, and a lifespan of up to 15 years. Ideal for small speakers and digital products.
Related Product Features:
  • Compact digital amplifier chip with high-definition sound quality.
  • Upgraded power supply filtering with 470uf 1.6mm glass plate.
  • Outputs 3W + 3W high-fidelity sound with excellent noise suppression.
  • Two-channel stereo design, compatible with 4Ω and 8Ω speakers.
  • Unique non-LC filter Class-D digital power board for USB power supply.
  • Double panel wiring to prevent ground potential and crosstalk issues.
  • Ultra-miniature size (29.5 * 20.2 * 15mm) for easy integration.
  • Long lifespan of up to 15 years with switch potentiometer for power control.
Faqs:
  • What is the power supply requirement for the CA-8403S amplifier board?
    The board requires a DC 5V power supply, with a rated working voltage range of 2.5V to 5V and a limit of 5.5V.
  • Can the CA-8403S drive small speakers directly?
    Yes, the amplifier can directly drive 4Ω and 8Ω small speakers with its 3W + 3W output.
  • How does the CA-8403S handle noise suppression?
    The board features excellent noise suppression, ensuring no audible noise even when no audio input is connected.
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