MAX98357A I2S 3W Class D Audio Amplifier Module DAC Decoder Filterless Plug and Play for ESP32 ESP8266 Raspberry Pi Arduino
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MAX98357A I2S 3W Class D Audio Amplifier Module DAC Decoder Filterless Plug and Play for ESP32 ESP8266 Raspberry Pi Arduino - Big chip NO solder
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Big chip NO solder
Big chip soldered
$5.15
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SPECIFICATIONS Brand Name : NONE
Choice : yes
Condition : New
High-concerned chemical : none
Origin : Mainland China
Type : Module
Filterless Design
The filterless design of the MAX98357A ensures a clean signal path, reducing distortion and enhancing sound quality.
Brand Name
Produced by a reputable manufacturer, this module ensures durability and longevity, making it a trusted choice for audio amplification needs.
High-Power Efficiency
The MAX98357A I2S 3W Class D Audio Amplifier Module boasts high-power efficiency, delivering clear and crisp audio output.
Plug and Play Convenience
This module features a plug-and-play design, making it easy to integrate into ESP32 ESP8266 Raspberry Pi Arduino projects without complex setup.
Origin Quality
Originating from Mainland China, this module guarantees high-quality construction and reliable performance.
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I2S Digital Audio, Plug and Play! MAX98357A Class D Audio Amplifier, 3W Output, Filterless Design – Perfect for ESP32, Raspberry Pi, Arduino. Build High‑Quality Digital Audio Systems with Ease.
Key Features & Benefits
🎵 I2S Digital Input, High‑Fidelity Sound: Accepts I2S digital audio directly – eliminates noise from analog transmission for pure sound. ⚡ 3W Class D Amplification: 3.2W output (4Ω load) with >90% efficiency – no heatsink required. 🔌 Filterless Design: Advanced spread‑spectrum modulation eliminates output filter inductors – simplifies circuit layout. 🎛️ Auto‑Configuration, Plug and Play: Single power supply, auto‑detects 35 clocks and 128 digital audio formats – no MCLK required. 🔧 Adjustable Gain: Selectable gain (3dB/6dB/9dB/12dB/15dB) via GAIN pin – flexible for different input levels. 📏 Compact Size, Easy Integration: Small footprint with 2.54mm pin headers – breadboard‑friendly.
Product Description
Want your Raspberry Pi or ESP32 to output high‑quality digital audio? The MAX98357A I2S audio amplifier module is the answer. It takes I2S digital audio directly, decodes it, and drives a speaker with up to 3W of power. The filterless design eliminates bulky output inductors, simplifying your circuit. Auto‑clock detection supports a wide range of sample rates and audio formats – truly plug and play. Perfect for internet radios, smart speakers, or adding audio output to any embedded project.
⚡ Quick Start Guide & Important Tips
🔹 What You Get & What You Need ✅ This board does: Amplifies I2S digital audio to drive 4-8Ω speakers, up to 3W output ❌ This board is NOT: Analog audio input (I2S only), nor a headphone amplifier (requires external speaker) 🔧 You will need: I2S audio source (Raspberry Pi/ESP32/Arduino/etc.), 3.3V-5V power supply, 4-8Ω speaker, jumper wires New to this? Check our Wire Kit – includes jumper wires + speaker wires 🔹 Header Soldering Options Headers SOLDERED: Ready to use – perfect for beginners Headers NOT Soldered: For experienced users who prefer custom pin orientation ⚠️ Note: For breadboard use, choose the soldered version. 🔹 Wiring in 3 Steps Power: VCC → 3.3V or 5V (2.5V-5.5V range), GND → GND I2S Signals: BCLK → MCU BCLK, LRC → LRCK, DIN → Data pin Speaker: OUT+ / OUT- → speaker (no polarity required) ⚠️ Important: No MCLK needed! Reversing power polarity will instantly destroy the module. 🔹 Common Questions ❓ No sound? Verify I2S signal configuration (sample rate, format). On Raspberry Pi, enable I2S audio in config.txt. Check power and speaker connections. ❓ Distortion or low volume? Check GAIN pin setting. Default gain is 12dB (GAIN tied to GND). Adjust for higher volume if needed. ❓ Can I use this with Arduino? Yes, but only on boards with I2S output (Arduino Due, Zero, MKR series). Uno/Nano do not support I2S – consider using an I2S audio module.
Specifications
Package Includes
Single Module (Unsoldered): 1 × MAX98357A Audio Amplifier Module (Headers NOT Soldered) Single Module (Soldered): 1 × MAX98357A Audio Amplifier Module (Headers SOLDERED) Wire Kit: 1 × Module (as selected) + 1 × Female‑to‑Female Jumper Wire Set (20cm, 4 pcs) + 2 × Speaker Wires
⚠️ WARNING (California Proposition 65): This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov .
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