Specifications:
- Module Model: MAX98357A I2S Mono Amplifier Module breakout board.
- Audio Input Interface: Digital I2S (Inter-IC Sound) interface.
- Output Power Configuration: 3W Class D mono audio amplifier.
- Speaker Impedance Range: Supports 4Ω to 8Ω speaker loads.
- Operating Voltage (Vin): 2.5V to 5.5V wide power input range.
- Default Gain Setting: 9dB default gain (configurable via GAIN pin).
- Audio Mix Mode: Default setting outputs (L+R)/2 mixed mono audio channel.
- Module Width: 17mm highly compact structural form factor.
- Module Length: 18mm micro-profile printable circuit board footprint.
- PCB Color: Premium purple double-sided high-grade glass fiber substrate.
- Included Accessories: Standard male header pins and a 2-pin green screw terminal block.
Features:
- Direct Digital I2S Input: Accepts high-fidelity digital I2S audio streams directly from microcontrollers, bypassing analog DACs.
- Class D Efficiency: Delivers up to 3W of clean mono audio power while generating minimal thermal energy.
- Versatile Voltage Range: Operates safely between 2.5V and 5.5V, making it fully compatible with 3.3V and 5V microcontrollers.
- Mixed Mono Output: Automatically combines Left and Right audio signals into an optimized (L+R)/2 mono output.
- Micro Form Factor: Ultra-small 17mm x 18mm dimensions allow seamless integration into tiny DIY audio electronics projects.
- The MAX98357A I2S Mono Amplifier Module Class D 3W is an ultra-compact, high-performance digital audio amplifier breakout board designed for microcontrollers and single-board computers like ESP32, Raspberry Pi, and Arduino.
- Featuring a direct Inter-IC Sound (I2S) input, this module completely bypasses standard analog audio jacks and onboard DAC noise, ensuring premium, distortion-free audio playback.
- It packs a highly efficient Class D amplifier that outputs 3W into a 4Ω to 8Ω speaker load.
- Running on a flexible 2.5V to 5.5V input voltage range, it defaults to a clean 9dB gain and an automatically mixed (L+R)/2 mono audio output.
- Measuring a mere 17mm by 18mm, this purple micro-circuit board comes bundled with necessary pin headers and a heavy-duty screw terminal, providing an ideal plug-and-play solution for building compact smart speakers, IoT voice assistants, and custom handheld gaming consoles.
What is the price of MAX98357A I2S Mono Amplifier Module Class D 3W in Bangladesh?
The latest price of MAX98357A I2S Mono Amplifier Module Class D 3W in Bangladesh is Price: ৳365.00 taka for 1Pack of this product. You can buy this product at a better and cheaper price from our website and also you can visit our warehouse between work hours 10am to 8pm.
Buy MAX98357A I2S Mono Amplifier Module Class D 3W in Bangladesh from online at Dunia.com.bd.
In Bangladesh, you can get the original MAX98357A I2S Mono Amplifier Module Class D 3W From Dunia.com.bd . We have a few collections of latest Arduino Accessories, Audio & Amplifier Module to purchase. Order Electronic Modules Online at our website Or Visit our warehouse to get your product at lowest price.
FAQ:
- What type of audio communication protocol does this module accept?
The module processes high-fidelity direct digital I2S (Inter-IC Sound) audio signals. - What is the maximum output wattage capability of the amplifier?
It provides a maximum output power of 3W into a connected speaker structure. - What speaker impedance range is compatible with this Class D module?
It efficiently drives standard speakers ranging between 4Ω and 8Ω impedance. - What is the operating voltage input range required for operation?
The module operates reliably across a wide input voltage range from 2.5V to 5.5V. - What is the factory default internal gain level set on this board?
The amplifier board features an optimized factory default gain setting of 9dB. - How does this mono amplifier handle stereo Left and Right signals?
By default, it combines signals to output an aggregated (L+R)/2 mixed mono channel. - What are the exact outer dimensional measurements of this mini PCB?
The extremely tiny PCB footprint measures exactly 17mm in width by 18mm in length. - Can this amplifier module be used with an ESP32 or Raspberry Pi?
Yes, it is fully compatible with any microcontroller that supports digital I2S audio output. - Does the package include structural connectors for speaker hookup?
Yes, it includes male header pins and a convenient 2-pin green screw terminal block. - Is an external Digital-to-Analog Converter (DAC) needed for this module?
No, the MAX98357A chip handles the digital-to-analog decoding internally.









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