Audio signal adapter (assembly kit)

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

The TPA3116DA 150W XH-M544 audio amplifier module is a compact device with a wide input voltage range (12-26V) and output power up to 150W (100W recommended), ensuring clear sound with a signal-to-noise ratio of 100dB. The small size (77 x 73 x 19mm) makes it an ideal choice for a variety of audio projects.

The XH-A902 preamplifier module with the NE5532 chip provides a fivefold increase in sound power, operating in the voltage range of 12-30V. Using the renowned NE5532 chip, it offers excellent amplification in two channels,

TEA2025B class D stereo digital audio amplifier module. The system allows you to connect two speakers with an impedance from 4 to 16 Ω and a power of 3 W each

The TDA7377 2x35W audio amplifier module is a compact device providing powerful stereo sound with a power of 70W (2x35W per channel). With a wide voltage range, a variety of speaker configurations and compact dimensions, it is an ideal solution for improving sound quality in a variety of audio applications.

Audio preamplifier based on the NE5532 chip. Powered with symmetrical DC voltage in the range from 9 to 15 V

PAM8302 Class D mono digital audio amplifier module. The system allows you to connect one loudspeaker with an impedance of 4 to 8 Ω and a power of 2.5 W. The board is equipped with a STEMMA connector. Adafruit 5647

Sound terminal expansion board based on STA350BW for STM32 Nucleo

Stereo audio amplifier with Bluetooth communication. It can be powered with the voltage from 8 to 26 V and has two outputs with a power of 50 W. The set includes a remote control

The TDA2050 35W Audio Power Amplifier Module offers excellent output power, power supply flexibility, ease of integration, and user safety, making it an ideal solution for small audio projects

Bluetooth 4.2 audio receiver. It allows you to play files via Bluetooth and supports WAV, WMA APE, MP3 and FLAC formats. MH-M18

Module for recording sounds, which can store recordings up to 20 seconds. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 107020007

A module with a MEMS microphone that will allow you to detect a voice, a clap or a door slam. The board has an analog output. DFRobot SEN0487

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.

TPA3110 digital stereo audio amplifier module. The system allows you to connect two speakers with an impedance from 4 Ω to 8 Ω and a power of 15 W

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