LM386M Amplifier Module with Speaker and Potentiometers - Waveshare 3972

The Class D digital audio amplifier module has two channels with a power of 30 W and can work with speakers from 4 to 8 Ω. Powered with the voltage ranging from 8 to 26 V. Bluetooth communication

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

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

Module with audio amplifier and 8 Ω speaker with a power of 1 W. The board is equipped with a STEMMA connector. Adafruit 3885

ROB-12567

Class D LTK5128 mono digital audio amplifier module. The system allows you to connect one loudspeaker with an impedance from 4 to 8 Ω and a power of 5 W

Module with an AB class amplifier based on the Boomer® LM4853 system. It can work in two modes: mono (power 1.5 W, load 4 Ω) or stereo (power 300 mW, load 8 Ω). It has a potentiometer for power control and gain control for the left and right channel. SparkFun DEV-14475

Stereo audio amplifier module with the TDA7294 chip with a power of up to 100 W. It provides high-quality and effective audio signal amplification and good sound quality. Ideal for audio enthusiasts and professional use

Zeenko ZK05-BM is a low-noise, wideband RF amplifier with battery power, intended for operation in the 100 kHz – 6 GHz band. It offers stable gain, low distortion and a compact form, ideal for mobile, measurement and radio applications.

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,

The TDA7498 audio amplifier module offers 2x100W power, enabling connection via Bluetooth, TF card and AUX. Powered by 12-24V DC, it is compatible with speakers with a resistance of 4 to 8Ω and is characterized by compact dimensions.

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

80 W audio signal converter that reduces the speaker signal from the player to the level of RCA inputs. It allows you to connect to an external power amplifier. TSK TD-22

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

Zeenko ZK09-BM is a low-noise, ultra-wideband RF amplifier with an operating range up to 10 GHz, powered by a built-in battery. Thanks to its good linearity and noise performance, it is used in measurements, receiver paths and communication systems. Compact and mobile, it will work well both in laboratories and in the field.