TPA3116 50W audio amplifier

Digital stereo audio amplifier with Bluetooth 5.0 module. It has two channels with a power of 100 W and can work with speakers from 4 to 8 Ω. Powered with voltage from 5 to 24 V. 1002M

Audio amplifier module with three output channels. It can be powered with the voltage from 12 to 18 V and has two outputs with a power of 10 W (left and right) and one with a power of 20 W (bass)

Audio preamplifier module based on RC filters. Equipped with potentiometers to adjust bass, treble and volume level

Microphone preamplifier based on the AD828 chip. Powered with DC voltage from 9 V to 24 V or AC in the range from 8 V to 16 V

Digital mono audio amplifier. It has one channel with a power of 30 W and can work with speakers from 4 to 8 Ω. It is powered with the voltage from 8 to 26 V.

Module containing TSH82 operational amplifier from STMicroelectronics. The system has two built-in amplifiers and each of them is available separately on the pins of the board as inverting amplifiers. Sparkfun BOB-14874

Audio module with DAC, headphone amplifier and display, designed to work with the Raspberry Pi. It is based on the PCM5100A system and communicates via the I2S interface. Pimoroni PIM482

Sound terminal expansion board based on STA350BW for STM32 Nucleo

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

Stereo audio amplifier with Bluetooth 5.0 communication. It can be powered with the voltage from 5 to 24 V and has two outputs with a power of 100 W. ZK-1002L

The board has a class D amplifier onboard that can drive 2 channels of 4-8 ohm impedance speakers at 20W each. Adafruit 1752

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

Class D PAM8403 stereo digital audio amplifier module. The system allows you to connect two speakers from 4 to 8 Ω with a power of 3 W per channel. modPAM8403

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.

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

HiFi stereo tube amplifier based on 6J1 and 6P1 tubes. Designed for use with loudspeakers up to 3 W and an impedance of 4 Ω or 8 Ω