High/Low 100W audio signal converter

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

4-channel stereo audio mixer in a metal housing. It has one output, on which the summed signal from 4 inputs is available. It is powered with the voltage from 5 to 12 V.

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.

Class D digital audio amplifier with Bluetooth 5.0 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 ranging from 9 to 24 V

LM386 mono digital audio amplifier module. It has a voltage gain of 200 and is powered from 5V to 12V

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

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)

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 100 W. ZK-1002L

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.

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

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

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

HiFi stereo tube amplifier based on 6J1 and 6P1 tubes. Designed for use with loudspeakers up to 3 W and an impedance of 4 Ω or 8 Ω

Sound terminal expansion board based on STA350BW for STM32 Nucleo

A sound card in the form of a small device with a USB plug, designed to work with the Raspberry Pi and NVIDIA Jetson Nano minicomputer. Waveshare USB TO AUDIO

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