XH-M802 - Audio preamplifier module

Class D digital audio amplifier with Bluetooth module. It has two channels with a power of 50 W and can work with speakers from 4 to 8 Ω. It is powered with the voltage in the range from 9 to 24 V. NS-01G

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

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.

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

Module with two operational amplifiers OPA627

Sound terminal expansion board based on STA350BW for STM32 Nucleo

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)

Class D digital audio amplifier. It has two channels with a power of 50 W and can work with speakers from 4 to 8 Ω. It is powered with the voltage from 11 to 26 V

Class A power amplifier with two channels, 45 W. Built on the popular J. Hood design from 1969

Zeenko ZK07-BM is a low-noise, wideband amplifier with very high gain, powered by a battery and intended for operation in the 30 MHz – 6 GHz band. Ideal for compensating losses in long antenna lines, it provides up to 43 dB of gain and very good noise performance. Recommended for installation as close to the antenna as possible in receiving and measurement paths.

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

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

Zeenko ZK06-UM is a precise, wideband RF amplifier for the 10 MHz – 6 GHz range, designed for high-sensitivity measurements with low interference. Powered via USB-C and optimized for use with devices such as the tinySA ULTRA, it offers high linearity and a low noise figure across the entire supported band.

Module of a stereo 24-bit audio converter with I2S interface (TS4657).

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

Stereo audio amplifier based on the TPA3116D2 chip. It can be powered with the voltage from 12 to 26 V and has two outputs with a power of 120 W