TSK TD-22 - High/Low 80W audio signal converter

Module with audio amplifier and 8 Ω speaker with a power of 1 W. The board is equipped with a STEMMA connector. Adafruit 3885

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

Bluetooth audio receiver module in the set with a 3.5 mm Jack adapter. It enables wireless transmission of sounds. It is equipped with a 3.5 mm audio jack, microUSB socket and control buttons

Digital audio amplifier dedicated to woofers. It has two channels with a power of 50 W each and can work with speakers from 4 to 8 Ω. It is powered with the voltage from 8 to 25 V

BOB-09868 - Breakout Board for ADMP401 MEMS Microphone, SparkFun

The MP23ABS1TR is a compact, low-power microphone featuring a capacitive sensor and IC interface. The sensing element, capable of detecting acoustic waves, is manufactured using a specialized silicon micromachining process to produce audio sensors

KAmod DMX512 is a DMX signal converter that enables communication between a computer and a stage lighting system. It is equipped with full galvanic isolation, supports up to 512 devices, has a transmission range of 1200 m, is powered via a USB-C port, and is compatible with various programs, making it ideal for professional use in theaters, clubs, and concerts

Expansion board compatible with STM32 Nucleo. Allows you to prototype solutions with digital microphones. STMicroelectronics X-NUCLEO-CCA02M2

Single-channel audio amplifier up to 100 W.

2-channel stereo audio mixer in a metal housing. It has four outputs, on which the summed signal from 2 inputs is available. It is powered with the voltage from 5 to 19 V

Gravity: Analog Sound Sensor is a sound sensor with Gravity analogue output. The module can be supplied with 3.3 ... 5V voltage. DFRobot DFR0034

Class D digital audio amplifier with Bluetooth module. It has two channels with a power of 50 W and can work with speakers from 4 to 8 Ω. It is powered with the voltage in the range from 9 to 24 V. NS-01G

Class D stereo digital audio amplifier module PAM8403. The system allows you to connect two speakers with an impedance from 4 to 8 Ω and a power of 3 W

Class D digital audio amplifier with Bluetooth module. It has two channels with a power of 50 W and can work with speakers from 4 to 8 Ω. It is powered with the voltage in the range from 9 to 24 V. NS-01G

Stereo audio isolator based on two transformers. It allows to eliminate noise in the audio path resulting from different ground resistances of the sound source and the receiver. XH-M372

Class D digital audio amplifier. It has two channels with a power of 160 W and can work with speakers from 4 to 8 Ω. It is powered with the voltage from 15 to 36 V.