Audio preamplifier module with NE5532 chip

Class D stereo sound amplifier based on the Texas Instruments TPA2016D2 circuit. It can work with 4 Ω speakers with power up to 2.8 W or 8 Ω with power up to 1.7 W in stereo mode. SparkFun DEV-20690

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

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

The PAM8403 class D stereo digital audio amplifier module is equipped with Bluetooth communication. The system allows you to connect two speakers with an impedance from 4 to 8 Ω and a power of 3 W

Class A power amplifier with one channel (mono) with the power of 10 W. Built on the popular design of J. Hood from 1969

Class A audio amplifier with one channel, 25 W. Built on the popular design of J. Hood from 1969. The set includes 2 pieces

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

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

An audio module with a DAC converter and a stereo amplifier designed to work with the Raspberry Pi. Adafruit 3346

The TPA3116D2 amplifier module is a digital class D amplifier, offering 2x50W of power for stereo channels and 100W for the subwoofer, powered by 12V-24V. Thanks to the built-in NE5532 low-pass filter, it provides clean bass sound, and three potentiometers allow you to adjust the volume and cutoff frequency.

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

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

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

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

Module with LM386 audio amplifier and loudspeaker. The board is equipped with a Grove connector and is controlled by a PWM signal. Seeed Studio 107020001