All Products

SKU: AF-1063

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 assembled and tested with a 20–20 kHz electret microphone soldered on. A trimmer p...

SKU: DF-DFR0954

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, Bluetooth audio players, and so on. The module supports a 3.3V-5V power supply. And ...

SKU: AF-1552

This incredibly small stereo amplifier is surprisingly powerful - able to deliver 2 x 2.1W channels into 4 ohm impedance speakers (@ 10% THD). Inside the miniature chip is a class D controller, able to run from 2.7V-5.5VDC. Since the amp is a class D, it's incredibly efficient (89% efficient when...

SKU: AF-1712

A mini class D with AGC and I2C control? Yes please! This incredibly small stereo amplifier is surprisingly powerful. It is able to deliver 2 x 2.8W channels into 4 ohm impedance speakers (@ 10% THD) and it has a i2c control interface as well as an AGC (automatic gain control) system to keep your...

SKU: AF-1713

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 the Maxim MAX9814, a specialty chip that is designed for amplifying electret micro...

SKU: SF-BOB-12758

The SparkFun Electret Microphone Breakout pairs a small electret microphone capsule with a 60× OPA344 op-amp preamplifier, making it easy to detect sound with a microcontroller's analogue-to-digital converter. Pick up voice, claps, knocks, or ambient noise — the amplified signal is ready to read ...

SKU: DF-DFR0806

With bass and treble tone independent control, this powerful Bluetooth Amplifier has AM interference and filtering function that makes the board THD as low as 0.1% even when working for a long time at large power output, while bringing you clear and round sound. The board features DC9-24V power s...

SKU: AF-987

This incredibly small stereo amplifier is surprisingly powerful - able to deliver 2 x 3.7W channels into 3 ohm impedance speakers. Inside the miniature chip is a class D controller, able to run from 2.7V-5.5VDC. Since the amp is a class D, its incredibly efficient (over 90% efficient when driving...

SKU: DF-SEN0487

This tiny MEMS microphone has an amplifier gain of 66. When there is no sound detected, it outputs voltage around 0.66*VCC. When speaking, you can easily get the acoustic waveform by ADC sampling. The module can be used on all kinds of 3.3V/5V main-controllers.Connection DiagramSpecificationSigna...

SKU: DF-DFR0805

Make a subwoofer speaker with this bass & treble control Bluetooth Amplifier to enjoy the cinema-style acoustics in the home! Integrated with 3 output channels, this powerful Bluetooth Amplifier has AM interference and filtering function that makes the board THD as low as 0.1% even when working f...

SKU: DF-SEN0325

A 6+1 MEMS microphone array built around seven MSM261S4030H0 high-sensitivity digital silicon microphones. Designed for advanced audio applications including noise suppression, echo cancellation, reverb reduction, and sound source localisation. The array outputs raw digital audio over I2S, elimi...

SKU: AF-3938

The NeoTrellis M4 Mainboard combines an ATSAMD51 Cortex M4 processor, a 4×8 grid of NeoPixel-lit elastomer button pads, stereo audio output, microphone input, and a triple-axis accelerometer into one compact, programmable board. Think of it as a button-mashing, light-flashing, tune-making powerho...

SKU: LB-LR0003

This sound detection and microphone module provides both analogue and digital outputs for detecting sound with a microcontroller. The analogue output (AO) delivers a real-time voltage signal proportional to sound intensity, while the digital output (DO) triggers high or low based on an adjustable...

SKU: AF-5870 · MPN: ADA5870

This compact breakout adds a high-resolution, single-channel ADC to your I2C bus, making it a handy choice for precision differential measurements. It is built around the MCP3421, a simple and low-cost 18-bit ΔΣ converter with adjustable gain, a built-in precision reference voltage, and support f...

SKU: DF-DFR0064

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 suited for battery-powered applications. Connect a microphone, MP3 module, or o...

SKU: KS-KS5027

Build your own AI chatbot on a breadboard with this DIY starter kit based on the ESP32-S3. Featuring a MEMS microphone for voice input, a digital amplifier with speaker for audio output, and a 1.54" display, the kit provides everything you need to prototype a voice-interactive AI assistant — no s...

SKU: SS-101020023

The Sound sensor module is a simple microphone. Based on the power amplifier LM386 and the electret microphone, it can be used to detect the sound strength of the environment. The value of output can be adjusted by the potentiometer.   Features Grove compatible interface Wide supply vo...

SKU: SF-DEV-20690

The SparkFun Qwiic Speaker Amp includes the Texas Instruments TPA2016D2 stereo, filter-free class-D audio power amplifier. What distinguishes this audio amplifier from others is that it features volume control (i.e. gain), Dynamic Range Compression (DRC), Automatic Gain Control (AGC), enable/disa...

SKU: AF-3006

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 speaker, it's a compact and efficient way to add amplified sound to your Raspberr...

SKU: AF-1935

That's one tiny microphone! At about the size of a mature aphid, this wired Electret Microphone is perfect for your FONA. This microphone's very similar to our PCB-mount Elecret Microphone but is significantly smaller and has pre-attached 65mm long wires.  We don't have a specific datash...