Audio amplifier input selector (RCA connectors)

Sound terminal expansion board based on STA350BW for STM32 Nucleo

4-channel input selector for audio amplifier. Equipped with terminal connectors and controlled by a rotary switch

Two-way loudspeaker crossover with a crossover frequency of 3000 Hz. It works with speakers with an impedance of 2 to 8 Ω and offers power up to 220 W

Audio amplifier with three output channels. It can be powered with the voltage from 12 to 24 V and has two outputs with a power of 50 W (left and right) and one with a power of 100 W (bass). Equipped with Bluetooth 5.0 communication

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

Class D digital audio amplifier with Bluetooth 5.0 module. It has two channels with a power of 300 W and can work with 4 Ω speakers. Powered by alternating voltage 230 V

Module dedicated to the audio preamplifier with DIP8 socket for NE5532, OPA2134, OPA2604 or AD826 chips

Audio player with HiFi amplifier in aluminum housing. It allows you to play files from USB memory, SD card, via the audio connector and Bluetooth. It has a built-in FM receiver

Expansion module with audio and video outputs dedicated to Raspberry Pi Pico boards. It has a VGA output, SD card slot, audio outputs and control buttons. Pimoroni PIM553

Audio module with Jack (TRS) connector and THAT 1206 balanced line receiver. Offers low distortion and high attenuation. SparkFun BOB-14002

An interactive addition to the BBC micro:bit that lets you create music using 15 touchpads that function like piano keys. The module has a built-in amplifier and speaker, so it doesn\'t require additional audio equipment. Powered via micro USB, it automatically supplies power to the micro:bit, simplifying operation. The keys can perform musical or control functions, making the :KLEF Piano ideal for educational, creative, and hobby projects. Kitronik 5631

Audio receiver with Bluetooth 5.0 communication based on the QCC3008 module. It is equipped with an insulated converter that enables power supply with 12 V voltage

TDA2030A mono digital audio amplifier module. The system allows you to connect one loudspeaker with an impedance from 4 to 8 Ω and a power of 18 W

The NE5532 XH-M164 preamplifier module is a compact 12V audio device that improves sound quality thanks to the NE5532 chip. It has a convenient output interface and excellent performance, perfect for audio projects such as amplifiers and sound processors.

MEMS SPM1423 digital microphone module with PDM modulation. It communicates via the I2S interface. M5Stack U089