STEMMA Speaker - a module with an audio amplifier and a loudspeaker

4-channel stereo audio mixer module. It has one output to which the summed signal from 4 inputs comes out. It is powered with the voltage from 5 to 12 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.

The TDA7377 2x35W audio amplifier module is a compact device providing powerful stereo sound with a power of 70W (2x35W per channel). With a wide voltage range, a variety of speaker configurations and compact dimensions, it is an ideal solution for improving sound quality in a variety of audio applications.

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

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 the WM8960 audio codec, which allows you to operate 1 W stereo speakers and two microphones via the I2S interface. Waveshare WM8960 Audio HAT

Zeenko ZK09-UM is a compact low-noise RF amplifier operating in the 100 kHz to 10 GHz band, powered via USB-C and equipped with on-chip bias technology. It provides high linearity, stable gain, and a wide operating bandwidth, serving as an alternative to popular microwave amplifiers in laboratory and measurement applications.

The preamplifier module with the NE5532 chip offers high sound quality in a compact form with dimensions of 96 x 39 mm. Powered by DC 12-24V, it is perfect for everyone who looking for a solid and reliable solution at an affordable price

Audio amplifier module with three output channels. It can be powered from 12 to 24 V and has two 50 W outputs (left and right) and one 100 W output (bass). Equipped with Bluetooth 5.0 communication

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

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

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

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

Mono 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

The XH-A232 audio amplifier module is based on the TPA3110 chip, offering 30W output power for each of the two channels in class D. Its compact dimensions (53 x 45 x 14mm) and low weight (19.5g) make it ideal for DIY audio projects with high quality sound.

100 W audio signal converter that reduces the speaker signal from the player to the level of RCA inputs. It allows you to connect the radio to an external power amplifier