PAM8403 Digital Power Amplifier
10 in stockCompact 2x3W stereo Class-D amplifier module with filterless architecture, perfect for portable speakers, small audio projects, and battery-powered devices.
Product Description
The PAM8403 Digital Power Amplifier is a compact, efficient stereo amplifier module based on the PAM8403 Class-D audio amplifier IC. With its filterless architecture and 2x3W output, this module is perfect for portable speakers, small audio projects, and battery-powered applications. Technical Sp...
Product Specifications
| - Amplifier Chip | PAM8403 |
| - Channel Configuration | Stereo (2 channels) |
| - Power Output | 2x 3W (into 4 ohm load) |
| - Speaker Impedance | 4-8 ohms |
| - Supply Voltage | 2.5V - 5.5V DC |
| - Input | Audio input via header pins |
| - Amplifier Type | Class-D digital amplifier |
| - Architecture | Filterless (no output filter required) |
| - Efficiency | High efficiency (>85%) |
| - THD+N | Low total harmonic distortion plus noise |
| - Frequency Response | 20Hz - 20kHz |
| - Dimensions | Very compact module size |
| 3. Class | D amplification (PWM switching) |
| 5. High | efficiency power output |
| - Power | Connect 2.5V - 5.5V DC power supply (or battery) |
| - Audio Input | Connect audio source to input pins |
| - Speakers | Connect left and right speakers (4-8 ohm) |
| - Ground | Common ground connection |
| Note | Works with 2.5V - 5.5V power supply. Perfect for battery-powered projects. Use 4-8 ohm speakers. |
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