PAM8403 3W + 3W 5V Class D Stereo Amplifier with Switch Volume Control

The PAM8403 3W x 2 Class D Stereo Mini Amplifier with Switch Potentiometer (Volume Control) is a compact and highly efficient audio amplifier module designed for delivering powerful and clear stereo sound. Equipped with the PAM8403 Class D amplifier chip, this module provides up to 3W per channel with low distortion and high signal-to-noise ratio (SNR). The inclusion of a switch potentiometer allows for easy volume control and on/off functionality, making it ideal for portable audio devices, DIY projects, and small speaker systems. Its low voltage operation and compact design make it versatile and easy to integrate into various electronic designs.

Specifications:

• Main Chip: PAM8403
• Amplifier Type: Class D
• Output Power: 3W x 2 (stereo)
• Supply Voltage: DC 2.5V to 5.5V
• Input Sensitivity: 200mV
• Frequency Response: 20Hz to 20kHz
• Signal-to-Noise Ratio (SNR): ≥ 90dB
• Total Harmonic Distortion (THD): ≤ 0.1%
• Input Impedance: 15kΩ
• Output Impedance: 4Ω to 8Ω
• Dimensions: 30mm x 22mm x 15mm (approx.)
• Weight: 10 grams (approx.)

Key Features:

1. High Efficiency: Class D amplifier design ensures efficient power usage and minimal heat generation.
2. Compact Size: Small form factor makes it ideal for portable audio devices and space-constrained applications.
3. Powerful Output: Provides up to 3W per channel, delivering clear and powerful stereo sound.
4. Wide Voltage Range: Operates on a DC supply voltage from 2.5V to 5.5V, allowing for use with various power sources, including USB.
5. Low Distortion: Total Harmonic Distortion (THD) of ≤ 0.1% ensures high-fidelity sound reproduction.
6. High SNR: Signal-to-Noise Ratio (SNR) of ≥ 90dB provides clear audio with minimal background noise.
7. Switch Potentiometer: Features a potentiometer with a built-in switch for easy volume control and on/off functionality.
8. Versatile Applications: Suitable for use in portable audio devices, DIY audio projects, small speaker systems, and more.
9. Easy Integration: Simple connections for input, output, and power make setup straightforward.
10. Safe and Reliable: Built with high-quality components for stable and reliable performance.

The PAM8403 3W x 2 Class D Stereo Mini Amplifier with Switch Potentiometer is a versatile and efficient solution for enhancing audio output in a variety of small-scale applications, delivering excellent sound quality in a compact and easy-to-use module.