Audio signal adapter (assembly kit)

Set with six microphones designed for audio applications for Raspberry Pi minicomputers. It consists of a board with microphones and a module with audio circuits. Seeed Studio 107990055

KAmodMIC_ELECTRET is a module with microphone KPCM6B type. Thanks to embedded amplifier with hundredfold amplification of signal, output voltage can be measurement in microcontroller with using e.g. ADC converter.

Speech recognition module with LD3320 chip, STC11 microcontroller, microphone and loudspeaker output. The board communicates via the UART interface

Bluetooth 4.2 audio receiver with 3.5 mm jack audio output. It allows you to play files via Bluetooth and supports WAV, WMA APE, MP3 and FLAC formats. MH-M28

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)

MP3 panel with LCD display for installation in the audio device. It allows you to play files in MP3, WAV and WMA format from USB memory, SD card, via AUX and Bluetooth 5.0. Has a built-in FM receiver. modBluAud

Audio module with DAC, line output and display, designed to work with the Raspberry Pi. Pimoroni PIM483

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

80 W audio signal converter that reduces the speaker signal from the player to the level of RCA inputs. It allows you to connect to an external power amplifier. TSK TD-22

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

TPA3110 digital stereo audio amplifier module. The system allows you to connect two speakers with an impedance from 4 Ω to 8 Ω and a power of 15 W

Microphone preamplifier based on the AD828 chip. Powered with DC voltage from 9 V to 24 V or AC in the range from 8 V to 16 V

A module with a MEMS microphone and an amplifier that will allow you to detect a voice, a clap or a door slam. The board has an analog output. SparkFun BOB-19389

MEMS MSM261S4030H0 microphone module designed to work with Sipeed MAix kits. The module is characterized by high sensitivity, low noise and low cost. Seeed Studio 107990153

Module with active low-pass filter. Dedicated to the bass column (subwoofer)