This Audio Amplifier Module is based on PAM8403 which is a 3W, class-D audio amplifier. It offers low THD N, allowing it to achieve high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, requiring no low-pass output filters, thus saving system cost and PCB area. With the same numbers of external components, the efficiency of the PAM8403 is much better than that of Class-AB cousins. It can extend the battery life, which makes it well-suited for portable applications. Features: Dual channel stereo, high output power (3w 3w power 5V and 4 ohms load). 3W Output at 10% THD with a 4ΩLoad and 5V Power Supply. Filterless, Low Quiescent Current and Low EMI. Good sound quality. Double panel wiring solves crosstalk. Super mini design allows it to be easily placed in a variety of digital products. Superior Low Noise. Short Circuit Protection. Thermal Shutdown. Application: Bluetooth Stereo Audio hands-free/headsets In robots that speak or generate sounds to indicate activities Portable Speakers LCD Monitors / TV Projectors Arduino or Raspberry Pi Game Machines Speaker Phones Specifications: Operating Voltage DC 2.5V ~ 5.5V Max Gain 24 dB. Current Handling Capacity 0.08A Efficiency 87 %. Amplifier IC PAM8403 Load Can direct drive 4 or 8 ohm small speakers Dimensions in mm (LxWxH) 21 x 18 x 3 Weight 5 gm S/N Ratio 80 db Power supply Rejection ratio -58 dB. Package Includes: 1 x PAM8403 5V 2-channel Stereo 3W 3W Audio Amplifier. *Product Images are shown for illustrative purposes only and may differ from actual product.
