TPA3110 2x15W digital audio amplifier with Bluetooth module

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.

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

Stereo Power Amplifier

Stereo audio amplifier with Bluetooth 5.0 communication. It can be powered with the voltage from 9 to 24 V and has two outputs with a power of 50 W. Assembly kit. ZK-502C

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

Sound card in the form of an expansion module with a USB adapter designed for NVIDIA Jetson Nano development kits. Waveshare Audio Card for Jetson Nano

TDA7297 stereo audio digital amplifier module. The system allows you to connect two speakers with an impedance from 4 to 8 Ω and a power of 15 W

Class A power amplifier with one channel (mono) with the power of 10 W. Built on the popular design of J. Hood from 1969.

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

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

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 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

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

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

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

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.