Gravity: Digital Speaker Module - a digital module with a speaker

LM386 mono digital audio amplifier module. The system allows you to connect a loudspeaker with a power of up to 10 W. Kit for self-assembly

Audio module with DAC converter and mono amplifier, designed to work with the Raspberry Pi. Pimoroni PIM541

Stereo audio amplifier based on the TPA3116D2 chip. It can be powered with the voltage from 12 to 26 V and has two outputs with a power of 120 W

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

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.

Stereo 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

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

Audio amplifier module with three output channels. It can be powered from 12 to 24 V and has two 50 W outputs (left and right) and one 100 W output (bass). Equipped with Bluetooth 5.0 communication

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

Audio module with DAC, stereo amplifier and display, designed to work with the Raspberry Pi. Pimoroni PIM484

LM386 audio amplifier module in a set with a loudspeaker. The board is equipped with a Grove connector and is controlled by a PWM signal. Seeed Studio 101020853

Audio preamplifier based on the NE5532 chip. Powered with DC voltage in the range from 9 to 35 V (does not require symmetrical voltage)

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

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

Audio amplifier module with three output channels. It can be powered with the voltage from 12 to 18 V and has two outputs with a power of 10 W (left and right) and one with a power of 20 W (bass)

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