XH-M802 - Audio preamplifier module

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

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

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.

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

Zeenko ZK06-BM is a portable, low-noise RF amplifier with battery power, operating in the 10 MHz – 6 GHz band. It offers high gain stability, good overload resistance and full compatibility with spectrum analyzers, including tinySA ULTRA. Particularly recommended for measurement applications and antenna systems.

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.

TEA2025B class D stereo digital audio amplifier module. The system allows you to connect two speakers with an impedance from 4 to 16 Ω and a power of 3 W each

Audio amplifier based on the TPA3255 system with a power of 600 W with an active filter. Dedicated to the bass column (subwoofer)

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.

Zeenko ZK08-BM is a low-noise, wideband amplifier with a built-in battery, intended for operation in the 50 MHz – 8 GHz range. It provides high signal gain and compensation of losses in antenna paths. Thanks to its compact design and battery power, it performs excellently in mobile and measurement applications.

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

Audio amplifier module with three output channels. It can be powered with the voltage from 18 to 24 VAC and has two outputs with a power of 100 W (left and right) and one with a power of 120 W (bass)

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

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

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

Stereo audio amplifier with Bluetooth 4.0 communication. It can be powered with 12 V and has two 25 W outputs