PAM8403 2x3W stereo audio amplifier module

LM386 audio amplifier module. It is supplied with the voltage ranging from 4 to 12 V. The set includes an 8 Ω, 0.5 W loudspeaker. DFRobot DFR0064

Class D PAM8304 stereo digital audio amplifier module. The system allows you to connect two speakers with an impedance from 4 to 8 Ω and a power of 3 W

Audio module with 8 Ohm loudspeaker and 8002B amplifier. It can be used as a buzzer and also play high-quality sound. The volume is controlled by a potentiometer. DFRobot FIT0449

Class D PAM8410 class D stereo digital audio amplifier. The system allows you to connect two speakers with an impedance from 4 to 8 Ω and a power of 15 W per channel

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.

Module with the PAM8904 controller designed specifically to control piezoelectric elements. The amplifier operates over a wide frequency range, up to 300 kHz, and allows for gain up to approximately 13 Vpp. Adafruit 5791

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

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.

Audio module with DAC, amplifier, display and loudspeaker, designed to work with the Raspberry Pi. Pimoroni PIM485

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

PAM8610 digital stereo audio amplifier module. The system allows you to connect two speakers with an impedance from 4 to 8 Ω and a power of 10 W

Class A power amplifier with one channel, 10 W. Built on the popular design of J. Hood from 1969. The set includes 2 pieces for self-assembly

Stereo audio amplifier based on the TPA3116D2 chip. It can be powered from 12 to 26 V and has two 120 W outputs. XH-M543

Microphone preamplifier based on the NE5532 chip. Powered with DC voltage from 9 V to 24 V or AC in the range from 8 V to 16 V

Audio preamplifier module based on RC filters. Equipped with potentiometers to adjust bass, treble and volume level

The board has a class D amplifier onboard that can drive 2 channels of 4-8 ohm impedance speakers at 20W each. Adafruit 1752