Module with two OPA627 amplifiers

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)

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 50 W. Assembly kit. ZK-502L

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

Audio amplifier with three output channels. It can be powered with the voltage from 5 to 26 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. XY-S100L

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

A stereo tube preamplifier based on 6K4 tubes. Designed for use with active speakers or an additional amplifier and passive speakers. SUCA-AUDIO TUBE-T1

Module dedicated to audio preamplifier with DIP8 socket for NE5532, OPA2134, OPA2604, or AD826 chips, without passive components.

LM386 audio amplifier module. It is supplied with the voltage ranging from 4 to 12 V. The set includes an 8 Ω, 0.5 W loudspeaker. DFRobot DFR0064

Audio module with DAC and mono amplifier designed to work with TinyPICO and TinyS2. Pimoroni SHIELD-AUDIO-I2S

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 2 to 8 Ω. Powered with DC voltage from 12 to 24 V. Fosi Audio BT20A

A module with an active low-pass filter based on NE5532 systems. Dedicated to the bass column (subwoofer)

Audio module with speakers designed to work with the Raspberry Pi Pico. Waveshare Pico-Audio

4-channel stereo audio mixer in a metal housing. It has one output, on which the summed signal from 4 inputs is available. It is powered with the voltage from 5 to 12 V.

Module with class D mono audio amplifier designed for QT Py and Xiao boards. It is based on the MAX98357 system and can work with a loudspeaker from 4 to 8 Ω with a power of up to 3 W. It communicates via the I2S interface. Adafruit 5770

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

Zeenko ZK06-BM is a portable, low-noise RF amplifier with battery power, operating in the 10 MHz – 6 GHz band. It offers high gain stability, good overload resistance and full compatibility with spectrum analyzers, including tinySA ULTRA. Particularly recommended for measurement applications and antenna systems.