Audio preamplifier module with DIP8 socket

The module with a digital stereo audio amplifier is equipped with Bluetooth communication. The system allows you to connect two speakers with an impedance from 4 Ω to 8 Ω and a power of 15 W per channel

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

Digital audio amplifier dedicated to woofers. It has two channels with a power of 50 W each and can work with speakers from 4 to 8 Ω. It is powered with the voltage from 8 to 25 V

Audio amplifier based on the TPA3116 chip with a power of 100 W with an active low-pass filter. Dedicated to the bass column (subwoofer)

Class-D stereo digital audio amplifier module PAM8403. The system allows you to connect two speakers with an impedance of 4 to 8 Ω and a power of 3 W. DFRobot DFR0119-O

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

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

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.

2-channel stereo audio mixer module. It has four outputs, on which the summed signal from 2 inputs is available. It is powered with the voltage from 5 to 19 V

BOB-11044 OSHWTPA2005D1 class D audio amplifier module. The chip can work with a loudspeaker up to 1.4 W and 8 Ohm. SparkFun BOB-1104

A stereo tube preamplifier based on 6K4 tubes. Designed for use with active speakers or an additional amplifier and passive speakers. FX-AUDIO Tube-03

A stereo tube preamplifier based on 6K4 tubes. Designed for use with active speakers or an additional amplifier and passive speakers. FX-AUDIO Tube-03 SUCA-AUDIO Tube-T1

Microphone preamplifier based on the NE5532 chip. Powered with DC voltage from 9 V to 24 V or AC in the range from 8 V to 16 V

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

Class A power amplifier with one channel, 10 W. Built on the popular design of J. Hood from 1969. The set includes 2 pieces

Stereo audio amplifier with a power of 40 W (2 x 20 W) powered with the voltage of 12 V. Equipped with an audio input in the form of two chinch sockets and an audio jack 3.5 mm input