Optical converter to 2xRCA

The LM4950 audio power amplifier module with a power of 3 W per channel, powered by 10-15 VDC, equipped with a 3.5 mm Jack socket for audio input and screw connections for loudspeaker outputs, is equipped with thermal and short-circuit protection. It provides good sound quality with low energy consumption, making it ideal for small audio systems

Audio module with 8 Ohm loudspeaker and 8002B amplifier. It can be used as a buzzer and also play high-quality sound. The volume is controlled by a potentiometer. DFRobot FIT0449

The 2x40W Bluetooth amplifier module XY-P40W is a versatile audio amplifier with a wide voltage range and Bluetooth 5.0 compatibility, enabling wireless audio transmission at a distance of up to 15 meters. It has protective mechanisms that make it not only a powerful but also a safe tool for designing your own audio devices.

Bluetooth audio receiver module that allows wireless transmission of sounds. It is equipped with a PCB antenna and a 3.5 mm Jack audio connector

Class A power amplifier with two channels, 45 W. Built on the popular J. Hood design from 1969

This Bluetooth Audio receiver module includes a USB port and TF card slot. With a pre-amp output, you can drive headphones or a 3W speaker directly. You can also add an active power amplifier and connect a loudspeaker. The module supports MP3, WMA, WAV and lossless FLAC audio formats. DFRobot TEL0108

ROB-12567

A module with an electret microphone and an amplifier that will allow you to detect a voice, a clap or a door slam using the analog output

Module with the PAM8904 controller designed specifically to control piezoelectric elements. The amplifier operates over a wide frequency range, up to 300 kHz, and allows for gain up to approximately 13 Vpp. Adafruit 5791

Class D PAM8304 stereo digital audio amplifier module. The system allows you to connect two speakers with an impedance from 4 to 8 Ω and a power of 3 W

Module with MEMS type microphone (SPH0645LM4H-B). It allows you to receive a sound signal and send it using the I2S audio interface. Powered by 1.6 ... 3.6V voltage. Adafruit 3421

A module with an electret microphone and amplifier that will allow you to detect voice, clap, slam doors and other sounds using an analog or digital output. SparkFun SEN-14262

Mono audio amplifier module with the TDA7294 chip with a power of up to 100 W. It provides high-quality and effective audio signal amplification and good sound quality. Ideal for audio enthusiasts and professional use

Sound Sensor

Module with PDM microphone. It allows you to receive a sound signal and send it using PDM modulation. Adafruit 3492

A new version of the popular mono amplifier kit, capable of amplifying audio from any source, such as MP3 players, using the NCP2890 with an output power of up to 1 W. The kit comes pre-assembled, including a jack cable, 8Ω speaker, and a battery holder for two AA batteries, allowing for quick start-up and ideal for portable DIY audio projects. Kitronik 2165B