V Telesky 15 Pcs\. Pam8403-Based Amplifier Module, Miniature 2 Point 5V-5V

Features: This miniature PAM8403 can be used with a computer USB port, USB power bank or cell phone charger to provide 5V support power, or it can be powered by battery. Class D amplifiers are highly efficient, at around 90%, while Class A, Class B and other amplifiers are only around 30% efficient. Class D amplifiers are extremely efficient and do not affect the sound quality due to temperature without adding a heat sink and taking up less space, and the noise cancellation circuit is built into the amplifier board Can provide 3W (left channel) + 3W (right channel) output power under 4 loads and 5V power supply conditions. No popping sound for power on/off. Module has short-circuit current protection, undervoltage lockout and overheat protection. Specifications. Operating voltage: 2.5V-5.5V Speaker equipped with: 4-8 ohms Recommended: 4 ohms Speaker power:2-8W Size: 21 x 18 x 3.4mm(L x W x H) Color:As shown in the picture Net weight:1g Package includes. 15*Super mini PAM8403 digital power amplifier board

Product Features

  • 【Super mini volume】:1.85 x 2.11 cm can be easily placed in a variety of digital products within a small space.double-sided wiring can properly solve the wiring caused by potential balance and crosstalk between channels
  • 【Excellent noise suppression】:no audio input with ears close to speakers, no noise can be heard; unique Class D digital powerless board with LC filter can be powered directly from the computer's USB
  • 【High efficiency amplification】:5V power supply can output 3W +3 W power, can be directly driven 4Ω, 8Ω small speakers,no sound quality even if the temperature rises
  • 【Can be used in any DIY design】:Requiring a miniature audio amplifier, especially portable and mobile applications operating on battery power
  • 【Package Content】:15PCS x Super Mini Digital Power Amplifiers Board



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