XH-A158 PAM8403 Amplifier Module Board

Power your compact audio projects with the XH-A158 PAM8403 Amplifier Module. This enhanced version of the popular PAM8403 chip features improved design and convenient connections, delivering reliable stereo amplification in an ultra-compact package perfect for space-constrained applications.

Key Features:

• Based on the proven PAM8403 Class-D amplifier chip
• Dual-channel stereo output: 3W + 3W
• USB 5V powered for easy integration
• Ultra-compact PCB design with quality components
• High efficiency up to 90% - minimal heat generation
• Onboard volume control potentiometer
• Convenient screw terminal connections
• Filterless design reduces external components
• Low EMI and excellent audio quality
• Plug-and-play ready for quick projects

Technical Specifications:

• Model: XH-A158
• IC Chip: PAM8403
• Power Output: 3W × 2 (stereo)
• Operating Voltage: DC 5V
• Power Input: USB or direct 5V
• Speaker Impedance: 4-8Ω
• Frequency Response: 20Hz - 20KHz
• Efficiency: Up to 90%
• THD+N: <10% (at 1KHz, 1W)
• SNR: ≥85dB

Ideal Applications: Portable Bluetooth speakers, mini audio systems, USB-powered speakers, laptop/desktop speakers, DIY boomboxes, Arduino and Raspberry Pi audio projects, battery-powered speakers with 5V power banks, and any compact application requiring efficient stereo amplification!