MAX98357A I2S 3W Class D Amplifier Module
The MAX98357A I2S 3W Class D Amplifier Module is an all in one solution for adding high-quality, amplified audio to your projects. Designed to work seamlessly with the Raspberry Pi and other microcontrollers that support I2S audio output, this module takes digital audio input, decodes it, and amplifies it to drive speakers directly. Its Class D amplifier design ensures efficient power usage, making it perfect for portable and battery-operated devices.
Features:
- Accepts digital audio input via I2S interface.
- Converts digital audio to analog and amplifies it for direct speaker connection.
- Delivers up to 3.2W of power into a 4Ω speaker with 5V supply.
- Supports I2S sample rates from 8kHz to 96kHz.
Specifications:
| Product Type | Amplifier board |
|---|---|
| Amplification Type | Class D |
| Amplification Chip | MAX98357A |
| Input | I2S |
| Output | Screw speaker terminals |
| Output Power | 3W @ 4-8Ω |
| Gain | 9dB |
| Supply Voltage | 2.5–5.5VDC |
| Dimensions | 19mm × 18mm |
Pin Configuration:
Applications:
- Portable speaker systems.
- Smart home assistants with voice output.
- Interactive installations requiring audio feedback.
- Custom audio players.
- Educational tools and prototypes.
- Musical instruments and synthesizers.
Package Include:
- 1x MAX98357A I2S 3W Class D Amplifier Module.
- 1x Screw Terminal 2 Pin.
- 1x Male Pin Header 7 Pin.
Data Sheet: