Aluminum microphone insert, condenser

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 TDA2050 35W Audio Power Amplifier Module offers excellent output power, power supply flexibility, ease of integration, and user safety, making it an ideal solution for small audio projects

Compact module enabling FM signal reception with RDS function, thanks to which it is possible to display text information transmitted by radio stations. Integrated RDA5807M chip supports I2C interface, which allows easy integration with microcontrollers such as Arduino, in DIY and educational projects. It offers stable stereo reception, digital sound processing and frequency range from 50 to 115 MHz, ensuring high quality and flexible operation with low power consumption.

The TEA5767 module with an I²C interface and a frequency range of 76–108 MHz enables FM stereo signal reception in electronic projects. High sensitivity and compact design make it suitable for both mobile and stationary applications.

The TPA3116D2 amplifier module is a digital class D amplifier, offering 2x50W of power for stereo channels and 100W for the subwoofer, powered by 12V-24V. Thanks to the built-in NE5532 low-pass filter, it provides clean bass sound, and three potentiometers allow you to adjust the volume and cutoff frequency.

A new version of the popular mono amplifier kit, capable of amplifying audio from any source, such as MP3 players, using the NCP2890 with an output power of up to 1 W. The kit comes pre-assembled, including a jack cable, 8Ω speaker, and a battery holder for two AA batteries, allowing for quick start-up and ideal for portable DIY audio projects. Kitronik 2165B

Bluetooth stereo amplifier module that allows you to play music wirelessly from phones, tablets or computers. It automatically enters pairing mode after the first power supply and then connects to the last paired device, making it easy to use. The set includes 3W speakers with practical JST connectors, and the board is equipped with an integrated LiPo battery charging system, which allows powering from various sources, such as USB-C or battery. Kitronik 2182

The ReSpeaker Lite kit with case, which uses the XMOS XU316 AI chipset and XIAO ESP32S3, offers precise audio processing with advanced features such as noise reduction and echo cancellation. Compatible with Raspberry Pi, Arduino and Home Assistant platforms, it is ideal for smart home applications, conference systems and smart speakers. Seeed Studio E24072601

The ICS43434 digital MEMS microphone module with an I2S interface that eliminates the need for A/D conversion and provides clean audio output in the range of 50 Hz to 15 kHz. With channel selection and low current consumption, it is suitable for stereo systems, voice recognition and portable applications. Compatible with popular microcontrollers, it provides high quality sound with low noise. Adafruit 6049

Digital audio amplifier dedicated to woofers. It has one channel 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

Module dedicated to audio preamplifier with DIP8 socket for NE5532, OPA2134, OPA2604, or AD826 chips, without passive components.

The compact MIDI synthesizer based on the XIAO ESP32-C3 and SAM2695 chip is a portable sound studio that lets you create music anywhere. With a built-in speaker, hundreds of instrument presets and support for up to 64-voice polyphony, it offers rich sounds and three modes: test, metronome and multitrack. With its open source, ease of use and pocket-sized format, it is the perfect tool for musicians, hobbyists and DIY creators. Seeed Studio 107990333

Module with RP2040 microcontroller and digital I2S DAC converter and built-in 3W stereo amplifier, allowing to connect speakers to Raspberry Pi or computer via USB-C. Provides clear sound without the need of using 3.5 mm jack socket and offers easy connection of speakers via screw terminals without soldering. It is equipped with a connector for volume encoder and Qw/ST port for integration with other modules via I2C. Pimoroni PIM742

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

Zeenko ZK04-UM is a compact low-noise RF amplifier operating in the 100 kHz – 4 GHz range, powered via USB-C, featuring high linearity and low noise levels. Ideal for amplifying antenna signals or as a preamplifier for spectrum analyzers such as the tinySA ULTRA, especially above 3.5 GHz.

Zeenko ZK05-UM is a wideband low-noise amplifier with high gain and excellent linearity, operating in the 100 kHz – 6 GHz band. Powered via USB-C, it offers a low noise level and high overload resistance, making it a suitable choice for RF applications, antenna systems, and the input stages of spectrum analyzers.