Description
Introducing the TENSTAR 3pcs Max98357 I2S 3W Class D Amplifier Breakout Interface DAC Decoder Module – the perfect solution for crystal‑clear, filter‑less audio on your Raspberry Pi, ESP32, or any I2S‑enabled board. Designed for makers, hobbyists, and professionals, this compact breakout delivers up to 3 W per channel with ultra‑low distortion, making it ideal for portable speakers, smart home devices, and DIY audio projects.
Why Choose TENSTAR Max98357 Amplifier?
- High‑Performance Audio: 3 W per channel, Class D efficiency, and built‑in digital volume control for loud, clean sound.
- Filterless Design: Direct digital‑to‑analog conversion eliminates extra components, reducing latency and board space.
- Seamless I2S Integration: Simple I2S interface works straight out of the box with Raspberry Pi, ESP32, STM32, and other microcontrollers.
- Compact Breakout Form Factor: 30 mm × 20 mm footprint fits tight enclosures and breadboards.
- Three‑Pack Value Pack: Comes with three identical modules for multi‑room setups or spare parts.
Key Highlights
- 3 W RMS output per channel into 4 Ω or 8 Ω loads
- Class D efficiency up to 90 %
- Built‑in digital volume control (0 dB to –84 dB)
- Supports 16‑bit I2S audio at 44.1 kHz – 48 kHz
- Low‑noise, filter‑free DAC for transparent sound
- Power supply: 3.3 V – 5 V (USB or regulated source)
- Pin‑out: GND, VCC, BCLK, LRCK, DIN, SD, GAIN
Technical Specifications
- Chip: MAX98357A (I2S DAC + Class D amp)
- Output Power: 3 W per channel (4 Ω), 2 W per channel (8 Ω)
- Supply Voltage: 3.3 V – 5 V
- Audio Format: I2S, 16‑bit, 44.1 kHz / 48 kHz
- THD+N: ≤0.1 % (typical)
- Operating Temperature: –40 °C to +85 °C
- Dimensions: 30 mm × 20 mm × 5 mm
Compatibility
Works flawlessly with any platform that provides an I2S audio stream, including:
- Raspberry Pi (Zero, 3, 4, 5)
- ESP32 / ESP8266
- Arduino with I2S library
- STM32, Teensy, and other ARM Cortex‑M boards
Easy Installation & Setup
- Plug the breakout onto a breadboard or solder directly to a PCB.
- Connect the I2S pins (BCLK, LRCK, DIN) to your microcontroller.
- Supply 3.3 V‑5 V to VCC and ground.
- Configure the I2S driver in your firmware; no additional audio codec is required.
- Adjust volume via the GAIN pin or software control.
What’s in the Box?
- 3 × MAX98357 I2S 3 W Class D Amplifier Breakout Modules
- Quick‑start guide with wiring diagrams
- Link to online documentation and sample code
Boost Your Audio Projects Today
Whether you’re building a smart speaker, a portable Bluetooth amp, or an interactive art installation, the TENSTAR Max98357 breakout gives you high‑quality, filter‑free sound without the hassle of bulky external DACs. Order now and power up your next audio masterpiece with reliable, efficient, and affordable amplification.
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