Audio signal adapter (assembly kit)

Two-way speaker crossover with a division frequency of 3300 Hz. Works with 4 to 8 ohm speakers and offers up to 50 watts of power

This breakout board, the ultimate companion for the VLSI VS1053B DSP codec chip, can decode a wide variety of audio formats MP3, AAC, Ogg Vorbis, WMA, MIDI, FLAC, WAV (PCM and ADPCM); it can be used to record audio in both PCM (WAV) and compressed Ogg Vorbis. 8 GPIO pins can be used for lighting up small LEDs or reading buttons. Adafruit 1381

Module with the WM8960 audio codec, which allows you to operate 1 W stereo speakers and two microphones via the I2S interface. Waveshare WM8960 Audio HAT

Gravity: Voice Recorder Module is a sound recording module powered by 5V voltage. It can store sounds up to 10 seconds long. DFRobot SEN0197

The sound card in the form of a module with a USB type B socket. It uses the ES9018K2M DAC converter, has a 3.5 mm jack audio output and two RCA connectors

Class D PAM8406 stereo digital audio amplifier module. The system allows you to connect two speakers with an impedance of 4 to 8 Ω and a power of 5 W per channel

Adafruit 2342

Mini MP3 player with microSD card support. It can work as a separate device and play sounds from the card or be controlled via the UART serial interface.

Gravity: UART MP3 Voice Module is an MP3 sound player module with a built-in 8 MB memory. It is powered by 3.3-5V and controlled by the UART interface. DFRobot DFR0534

Speech recognition module based on the LD3320 chip. Can store up to 50 keywords. It uses two miniJack connectors to connect headphones and a microphone

The TDA7498 audio amplifier module offers 2x100W power, enabling connection via Bluetooth, TF card and AUX. Powered by 12-24V DC, it is compatible with speakers with a resistance of 4 to 8Ω and is characterized by compact dimensions.

Mini MP3 player with microSD card support. It can work as a separate device and play sounds from the card or be controlled via the UART serial interface. DFRobot DFR0299

Class D digital audio amplifier with Bluetooth 5.0 module. It has two channels with a power of 50 W and can work with speakers from 4 to 16 Ω. It is powered with the voltage ranging from 9 to 24 V.

Crossover for woofers with a division frequency of 300 Hz. Works with 4 to 8 ohm speakers and offers up to 200 watts of power

The VM-CLAP1 Hand Clap Sensor from Verbal Machines is a low-power, microprocessor-based audio sensor that can detect hand claps or finger snaps while ignoring background noises such as human speech or music. Pololu 2580

LM386 mono digital audio amplifier module. The system allows you to connect a loudspeaker with a power of up to 10 W. Kit for self-assembly