PAM8403 5V Two-channel Stereo Mini Class-D 3W+3W Audio Amplifier
25.00 EGP
The PAM8403 is a high-efficiency, low-noise, and compact Class-D audio amplifier module capable of delivering 3W + 3W stereo output power. It operates on a 5V DC power supply and is ideal for DIY audio projects, portable speaker systems, and embedded electronics applications where space and power efficiency are critical.
Description
Key Features:
-
Output Power: 3W + 3W stereo at 10% THD with 4Ω load and 5V supply
-
Power Supply Voltage: 2.5V – 5.5V DC (Recommended: 5V)
-
Class-D Amplifier: High efficiency up to 90%
-
Low THD: Total Harmonic Distortion is less than 10%
-
Onboard Volume Control: Optional volume knob versions available
-
Ultra-compact Size: Easy to integrate into small electronics enclosures
-
Short-circuit and Thermal Protection: Built-in safety mechanisms
-
No Heat Sink Required: Due to high efficiency and low heat output
Specifications:
-
Chipset: PAM8403
-
Channels: 2 (Stereo)
-
Output Impedance: 4Ω to 8Ω
-
Signal-to-Noise Ratio: > 90dB
-
Efficiency: > 85%
-
Dimensions: Approx. 21mm x 18mm
Applications:
-
DIY Bluetooth speaker projects
-
Portable audio devices
-
MP3/MP4 player audio booster
-
Embedded systems with sound output
-
Toys, intercoms, or alarm systems requiring audio amplification
Note: Make sure to use a regulated 5V power source to avoid damage to the module.