Description
Upgrade your DIY audio projects with the MAX98357A I2S Digital Audio Amplifier Module. This compact 3 W Class D stereo amp delivers crystal‑clear sound without the need for external filters, making it the perfect choice for hobbyists, makers, and professionals seeking high‑performance audio in a tiny footprint.
Key Highlights
- Integrated MAX98357A chip – 3 W per channel, 8 Ω load
- True I2S digital interface for seamless connection to ESP32, Arduino, Raspberry Pi, and other microcontrollers
- Filter‑less design – eliminates external capacitors for a cleaner PCB layout
- Class D efficiency >90 % – low heat, longer battery life for portable projects
- Stereo output with built‑in digital audio decoder
- Compact 1 × 1 inch board – fits tight enclosures and wearable devices
- Ready‑to‑use pins: GND, VCC (3.3 V–5 V), BCLK, LRCK, DIN, and speaker outputs
Why Choose This Amplifier Module?
Whether you’re building a smart speaker, a Bluetooth audio receiver, or an interactive art installation, the MAX98357A module offers:
- Plug‑and‑play simplicity – No external audio filters or complex wiring required.
- High‑fidelity sound – Low distortion and wide dynamic range for music, voice, and alerts.
- Energy efficiency – Ideal for battery‑powered gadgets and IoT devices.
- Robust compatibility – Works with popular development platforms and supports standard I2S audio streams.
Technical Specifications
- Amplifier Chip: MAX98357A
- Power Output: 3 W per channel into 8 Ω
- Supply Voltage: 3.3 V–5 V DC
- Audio Interface: I2S (BCLK, LRCK, DIN)
- Operating Temperature: –40 °C to 85 °C
- Dimensions: 25 mm × 25 mm × 3 mm
- Weight: ~4 g
Typical Applications
- DIY smart speakers and voice assistants
- Portable Bluetooth or Wi‑Fi audio receivers
- Robotics and drone audio alerts
- Interactive installations and museum exhibits
- Educational kits for learning digital audio processing
Package Contents
1 × MAX98357A I2S Digital Audio Amplifier Module (3 W Class D Stereo Amp Board)
Boost your project’s sound quality and reliability with this versatile, filter‑less audio amplifier. Order now and hear the difference!
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