Power amplifier module TPA3110 2x15W

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

Digital audio amplifier dedicated to woofers. It has two channels with a power of 50 W each and can work with speakers from 4 to 8 Ω. It is powered with the voltage from 8 to 25 V

Stereo audio amplifier with a power of 40 W (2 x 20 W) powered with the voltage of 12 V. Equipped with an audio input in the form of two chinch sockets and an audio jack 3.5 mm input

Stereo audio amplifier with Bluetooth 4.2 communication. It can be powered with the voltage from 19 to 24 V and has two outputs with a power of 80 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

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

Class-D stereo digital audio amplifier module PAM8403. The system allows you to connect two speakers with an impedance of 4 to 8 Ω and a power of 3 W. DFRobot DFR0119-O

Digital stereo audio amplifier with Bluetooth 5.0 module. It has two channels with a power of 100 W and can work with speakers from 4 to 8 Ω. Powered with voltage from 5 to 24 V. 1002M

Class D stereo sound amplifier based on the Texas Instruments TPA2016D2 circuit. It can work with 4 Ω speakers with power up to 2.8 W or 8 Ω with power up to 1.7 W in stereo mode. SparkFun DEV-20690

MP3 panel with a HiFi amplifier for installation in an audio device. It allows you to play files from USB memory, SD card, via the audio connector and Bluetooth. It has a built-in FM receiver

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

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

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

The 2x40W Bluetooth amplifier module XY-P40W is a versatile audio amplifier with a wide voltage range and Bluetooth 5.0 compatibility, enabling wireless audio transmission at a distance of up to 15 meters. It has protective mechanisms that make it not only a powerful but also a safe tool for designing your own audio devices.

BOB-11044 OSHWTPA2005D1 class D audio amplifier module. The chip can work with a loudspeaker up to 1.4 W and 8 Ohm. SparkFun BOB-1104

The NE5532 XH-M164 preamplifier module is a compact 12V audio device that improves sound quality thanks to the NE5532 chip. It has a convenient output interface and excellent performance, perfect for audio projects such as amplifiers and sound processors.