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

Audio amplifier module with three output channels. It can be powered with the voltage from 18 to 24 VAC and has two outputs with a power of 100 W (left and right) and one with a power of 120 W (bass)

A module with an active low-pass filter based on NE5532 systems. Dedicated to the bass column (subwoofer)

Class-D mono audio amplifier module based on the MAX98357 chip. It can work with a 4 to 8 ohm speaker of up to 2.5 W and communicates via an I2S interface. DFRobot DFR0954

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

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

The TPA3116DA 150W XH-M544 audio amplifier module is a compact device with a wide input voltage range (12-26V) and output power up to 150W (100W recommended), ensuring clear sound with a signal-to-noise ratio of 100dB. The small size (77 x 73 x 19mm) makes it an ideal choice for a variety of audio projects.

Stereo audio preamplifier based on two uPC4570C operational amplifiers. It allows you to control the bass, treble and volume level

Audio amplifier with three output channels. It can be powered with the voltage from 5 to 26 V and has two outputs with a power of 50 W (left and right) and one with a power of 100 W (bass). Equipped with Bluetooth 5.0 communication. XY-S100L

Module with class D mono audio amplifier designed for QT Py and Xiao boards. It is based on the MAX98357 system and can work with a loudspeaker from 4 to 8 Ω with a power of up to 3 W. It communicates via the I2S interface. Adafruit 5770

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

A set with an audio amplifier with a power of 350 W dedicated to the bass column (subwoofer)

The LM4950 audio power amplifier module with a power of 3 W per channel, powered by 10-15 VDC, equipped with a 3.5 mm Jack socket for audio input and screw connections for loudspeaker outputs, is equipped with thermal and short-circuit protection. It provides good sound quality with low energy consumption, making it ideal for small audio systems

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

Class D digital audio amplifier with Bluetooth 5.0 module. It has two channels with a power of 300 W and can work with 4 Ω speakers. Powered by alternating voltage 230 V