Audio Processing Modules

SKU: AF-2130 | Brand: Adafruit

The Adafruit Mono 2.5W Class D Audio Amplifier delivers powerful sound from a tiny package. Based on the PAM8302 chip, it drives 4–8 ohm speakers at up to 2.5 W with over 90% efficiency — making it ideal for portable ...

SKU: AF-3006 | Brand: Adafruit

The Adafruit MAX98357A I2S Class D Amplifier Breakout is an all-in-one digital audio solution that decodes I2S audio and amplifies it directly to a speaker — no separate DAC required. Delivering up to 3.2W into a 4Ω s...

SKU: AF-1713 | Brand: Adafruit

Add an ear to your project with this well-designed electret microphone amplifier with AGC. This fully assembled and tested board comes with a 20-20KHz electret microphone soldered on. For the amplification, we use th...

SKU: AF-1063 | Brand: Adafruit

A well-designed electret microphone amplifier breakout built around the Maxim MAX4466 op-amp, specifically engineered for microphone amplification with excellent power supply noise rejection. The board comes fully ass...

SKU: DF-DFR0954 | Brand: DFRobot

This I2S digital amplifier based on the MAX98357 I2S Class D amplifier module works great with microcontrollers with I2S audio outputs like ESP32 and can be applied to projects like IoT nodes, smart home devices, Blue...

SKU: AF-5791 | Brand: Adafruit

The Adafruit STEMMA Piezo Driver Amp uses the PAM8904 switched-capacitor driver to amplify signals for piezo elements at up to 300 kHz. With bridge-tied load (BTL) output and up to 3× voltage multiplication, it can de...

SKU: AF-5647 | Brand: Adafruit

The Adafruit STEMMA Audio Amp is a compact mono Class D amplifier based on the PAM8302 chip, delivering up to 2.5W into 4 Ω speakers from a 2.0–5.5V DC supply. With over 90% efficiency at half a watt into 8 Ω, it's id...

SKU: AF-5770 | Brand: Adafruit

The Adafruit I2S Amplifier BFF is a compact add-on that brings high-quality 3W audio to any QT Py or Xiao development board. Featuring a MAX98357 Class D amplifier, it delivers crisp I2S digital audio using just three...

SKU: DF-DFR0064 | Brand: DFRobot

The DFRobot 386AMP audio amplifier module is based on the LM386 low-voltage audio power amplifier IC. With a fixed voltage gain of 26 dB (20× amplification) and static power consumption of only 24 mW at 6V, it's well ...

SKU: AF-5769 | Brand: Adafruit

The Adafruit Audio BFF is a compact add-on board that turns your QT Py or Xiao into a powerful audio playback device. It features a microSD card slot (up to 64 GB) and a MAX98357 I2S 3W amplifier, all designed to fit ...

SKU: SF-BOB-11044 | Brand: SparkFun

This tiny audio amplifier is based on the Texas Instruments TPA2005D1. Its efficient class-D operation means low heat and long battery life. It can drive an 8-Ohm speaker at up to 1.4 Watts; it won’t shake a stadium, ...