PAM8302 2.5W mono audio amplifier module

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 dedicated to the audio preamplifier with DIP8 socket for NE5532, OPA2134, OPA2604 or AD826 chips

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.

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

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.

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

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

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.

50 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. Fwaeh FH-103

Zeenko ZK09-BM is a low-noise, ultra-wideband RF amplifier with an operating range up to 10 GHz, powered by a built-in battery. Thanks to its good linearity and noise performance, it is used in measurements, receiver paths and communication systems. Compact and mobile, it will work well both in laboratories and in the field.

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.

TDA2030A 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 18 W

Digital mono audio amplifier based on the HXJ8002 chip. It has one channel with a power of 3 W and can work with speakers from 2 to 8 Ω. It is powered with the voltage from 2 V to 5.5 V

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.

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.

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