STEMMA Speaker - a module with an audio amplifier and a loudspeaker

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

Stereo Power Amplifier

Stereo 2.8W Class D Audio Amplifier - TS2012

ROB-12567

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

Sound terminal expansion board based on STA350BW for STM32 Nucleo

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

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

Module with LM386 audio amplifier and loudspeaker. The board is equipped with a Grove connector and is controlled by a PWM signal. Seeed Studio 107020001

Single-channel audio amplifier up to 100 W.

A set with a vibration generator designed to transfer sounds through the human skeleton to the auditory center. DFRobot KIT0126

Module with an AB class amplifier based on the Boomer® LM4853 system. It can work in two modes: mono (power 1.5 W, load 4 Ω) or stereo (power 300 mW, load 8 Ω). It has a potentiometer for power control and gain control for the left and right channel. SparkFun DEV-14475

Pmod I2S2 is a module with 24-bit A / C and D / C audio converters derived from standard 3,5 mm Jack connectors. Thanks to them, it is possible to send and receive stereo audio signals using the I2S protocol. Digilent 410-379

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

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