Sparkfun module with TSH82 operational amplifier

Single-channel audio amplifier up to 100 W.

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

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

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)

Audio preamplifier based on the NE5532 chip. Powered with symmetrical DC voltage in the range from 9 to 15 V

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 based on the TDA7498 chip. It can be powered with the voltage from 20 to 36 V and has two 100 W outputs

Audio amplifier based on the TPA3116 chip with a power of 100 W with an active low-pass filter. Dedicated to the bass column (subwoofer)

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

The TDA7498 audio amplifier module offers 2x100W power, enabling connection via Bluetooth, TF card and AUX. Powered by 12-24V DC, it is compatible with speakers with a resistance of 4 to 8Ω and is characterized by compact dimensions.

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

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

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

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

The module with a digital stereo audio amplifier is equipped with Bluetooth communication. The system allows you to connect two speakers with an impedance of 6 Ω or 8 Ω with a power of 6 W per channel

An audio module with a DAC converter and a stereo amplifier designed to work with the Raspberry Pi. Adafruit 3346