Reference: RBD-2718

PAM 8610 Digital Stereo Class-D Amplifier Board 2x15W Output

Dual-Channel Stereo Output Run-on 7V to 15V power Supply 32 Steps DC volume control has a +32dB to -75dB range. 40 pin QFN 6 x 6 mm package. Much higher efficiency in terms of cost and performance than competitors’ ICs

Reference: RBD-0981

MT8870 DTMF Audio Decoder Module

Low power device.  DTMF decoder chip.  Band-split filter. Digital decoding functions. Modem interfaces.  Mobile radios.

Reference: RBD-2294

JQ6500 V2.1 MP3 Player Module

JQ6500 MP3 Voice sound module can play stereo MP3 files or standard mono audio files. The module has two different modes to operate in; serial communication mode (connecting to a microcontroller) or AD button control mode (module can be controlled with switches).

Reference: RBD-3049

Ai-Thinker VC-02 Kit Offline Voice Recognition Board

The VC-02-Kit is a development board designed for the VC-02 module, and it is a shared the same board with the VC-01-Kit. The development board integrates the CH340C serial port to a USB chip, providing a basic debugging interface and USB upgrade interface, designing wake-up light and cold and cooling lamp, providing status indication and control...

Reference: RBD-2318

Sound Output Module Speaker Module Microphone Sensor Module Sound Sensor for Arduino

The Speaker module is composed of a power amplifier and a loudspeaker. Sound size can be adjusted by the potentiometer on the circuit board. Enter different frequencies, the speakers produce different tones. Can be carried out by for Arduino encoding and DIY their music box!Product data interfaceusing anti plug,the two sides of the interface are...

Reference: RBD-2694

4cm Thin Speaker - 8 Ohm 0.5W

Incredibly thin (just over 4mm) 4cm speaker for adding sound to projects with severe space constraints. 8Ω impedance and 0.5W power handling for compatibility with low-power audio circuits. Ideal for applications like portable devices, greeting cards, or space-limited enclosures.

Reference: RBD-2693

5 cm Speaker - 8 Ohm 0.5W

Compact 5cm speaker for integrating audio into various projects like radios, amplifiers, and robots. 8Ω impedance and 0.5W power handling for compatibility with common audio circuits. Lightweight and space-saving design for versatile integration.

Reference: RBD-2232

TPA3116 2.1 50Wx2+100W Bluetooth CSR4.0 Class D Power Amplifier

Working mode: Class D Operating voltage: DC18V to DC24V Rated output power: 100W + 2 x 50W Quiescent current: 60mA Work efficiency: 90%

Reference: RBD-2747

Mini Speaker - PC Mount 12mm 2.048kHz

This is a small 12mm round speaker that operates around the audible 2kHz range. You can use these speakers to create simple music or user interfaces. This is not a true piezoelectric speaker but behaves similarly. Instead of a piezoelectric crystal that vibrates with an electric current, this tiny speaker uses an electromagnet to drive a thin metal sheet....

Reference: RBD-3189

LD3320 Speech Recognition Module for Nonspecific Human Speech

The LD3320 Speech Recognition Module is a versatile and practical voice control development board designed for applications requiring natural language voice interaction. With its capability to recognize nonspecific human speech without pre-recorded training, the LD3320 is ideal for various projects like voice-controlled automation, interactive toys, and...

Reference: RBD-3186

ASR PRO Voice Recognition Module Offline Speech Development Board

The ASR PRO Voice Recognition Module is a state-of-the-art offline speech recognition development board designed for seamless voice control applications. This module provides high accuracy, fast response, and flexible customizability with support for up to 300 user-defined voice commands. Perfect for standalone or integrated systems, the ASR PRO...

Reference: RBD-3084

Ai-Thinker VC-Burner Debugger

High-performance burning tool for Ai-Thinker VC series offline voice modules Powered by a 32-bit RISC P2064AF2 processor with up to 120MHz CPU frequency Supports USB2.0 with automatic device recognition for fast and stable burning Compatible with Windows 7 X64 and above, designed exclusively for Windows systems Works seamlessly with VC-01, VC-02,...

Reference: RBD-1021

PAM8406 5Wx2 Class D Digital Stereo Audio Power Amplifier Module Board

Operating voltage: 2.5V-5.5V, recommended 5V Speaker Load: 2-8 Ohms Input and Output Connectors: Pins on 0.2" centers Size: 24 x 23 x 105 mm (L x W x H) Net weight: 3g

Reference: RBD-1970

Brand: DFRobot

Gravity: Speech Synthesis Module V2.0 (Support English and Chinese)

Version 2.0 More natural pronunciation Fewer pronunciation errors for polyphone characters No option of speakers

Reference: RBD-2758

MAX9814 Microphone Amplifier Module

With this module you can easily measure sound with an analog pin on your Arduino or other microcontroller. The module has an automatic gain/amplification (ACG) of the microphone: The module amplifies sounds with a low volume more, and sounds with a higher volume less.

Reference: RBD-1856

PAM8403 Super Mini Digital Amplifier Board

Dual channel stereo, high output power (3 w + 3 w power @ 5V and 4 ohms load).. Double panel wiring solves crosstalk. Super mini design allows it to be easily placed in a variety of digital products. 3W Output at 10% THD with a 4ΩLoad and 5V Power Supply. Filterless, Low Quiescent Current and Low EMI and Low Noise. Short Circuit Protection and Thermal...

Reference: RBD-550

Voice Recognition Module Kit V3.1 Elechouse

Supply Voltage: 4.5 – 5.5 V. Current : <40 mA. Digital Interface : 5V TTL level for UART interface and GPIO. Support maximum 80 voice commands, with each voice 1500ms (one or two words speaking). Maximum 7 voice commands effective at same time. Arduino library is supplied. User-control General Pin Output. RoboticsBD

Reference: RBD-2496

Brand: DFRobot

Gravity: Offline Language Learning Voice Recognition Sensor for Arduino / Raspberry Pi / Python / ESP32 - I2C & UART

Operating Voltage: 3.3 – 5V Maximum Operating Current: ≤370 mA (5V) Communication: I2C/UART I2C Address: 0x64 Fixed Command: 121 Self-learning function

Reference: RBD-2724

MAX4466 Electret Microphone Adjustable Amplifier Module

The MAX4466 Electret Microphone Module is a convenient and sensitive audio sensor solution designed for capturing sound waves and converting them into electrical signals. This module incorporates the MAX4466 electret condenser microphone and an integrated amplifier circuit, making it well-suited for applications requiring clear and amplified audio capture.

Reference: RBD-1324

PAM8403 Audio Amplifier Module

Operating voltage: 2.5V-5.5V Maximum output power: 3W x 2 PCB size is about: length 30mm width 22mm overall height after installed is about 16mm Built with switch Potentiometer, can adjust the volume & control power switch freely! Flexible assembly usage.

Reference: RBD-2307

Stereo Enclosed Speaker 3W 8Ω

This speaker is a great addition to any audio project where you need 8 ohm impedance and 3W or less of power. We particularly like this speaker as it is small and enclosed for good audio volume and quality. It has a handy JST 2PH input cable to add audio to your displays and other projects (this connector is part of the JST-PH series which is ~2.0mm...

Reference: RBD-2692

PCB Mount Mini Speaker - 8 Ohm 0.2W

Breadboard-Friendly PCB Mount Mini Speaker - 8 Ohm 0.2W 1.1" (~30mm) diameter speaker with 8 Ohm impedance Perfect for breadboard-based audio projects Durable plastic casing, lightweight design Power handling: Nominal 0.1 Watts, Maximum 0.2 Watts

Reference: RBD-1772

HLK-V20 Speech Recognition Module Human Speech Voice Control Module

Small size package Local voice Customized voice wake-up/command words Universal Serial Port Protocol Support Chinese and English The number of command words reaches 150

Reference: RBD-2541

Brand: DFRobot

Gravity: Voice Recorder Module

This is the latest voice recorder module with integrated record and play functions. Easily record your voice by pressing the record button, speaking and then releasing the button when finished. The module is able to playback 10 seconds in total. Connect an 8Ω 3W speaker or an external active speaker for voice output. The module also has a 3 pin digital...

Reference: RBD-2919

MAX98357A I2S DAC Class D Mono Amplifier Module

This mono Class D amplifier module with a surprisingly compact form factor - less than 2cm on a side - uses a MAX98357 chip to deliver 3W of power. Its I2S input allows an easy association with a Raspberry Pi or ESP32, allowing for example to design a small portable amplified speaker.

Reference: RBD-1773

VHM-314 V3.0 Bluetooth Audio Receiver Board

Supply Voltage: 5V USB / 3.7V lithium battery Output Port: 3-wire audio interface/DIY pad Output Type: Analog signal Bluetooth name: VHM-314-V3.0 Bluetooth version: 5.0 Bluetooth passcode: no password Sound source: Bluetooth. USB-PC input(after the back pad is connected, the computer can be connected as a sound card though Micro) Operation method:...

Reference: RBD-2691

Through-Hole Speaker 15mm diameter - 2kHz range

Compact 15mm speaker for integrating sound into space-constrained projects. 2kHz frequency range suitable for basic audio applications. Through-hole mounting for easy integration with circuit boards. Handles up to 0.5W of power for moderate sound output.

Reference: RBD-0690

ISD1820 Voice Recording Module With Mic and Loudspeaker

The main chip: ISD1820. Operating Voltage: DC 3V-5V. Loudspeaker: 8Ω, 0.5W. An easy to use 10 seconds of voice recording. High-quality, natural voice restored. Can be used as a propaganda module. With looping, jog playback, single-pass play function.

Reference: RBD-3188

LU-ASR01 Intelligent Voice Recognition Module

The LU-ASR01 Intelligent Voice Recognition Module is an advanced voice control board designed for integration into a variety of smart applications. With its high recognition accuracy, long-distance wake-up capabilities, and customizable features, the module is ideal for creating intelligent systems such as smart home devices, voice-controlled toys, and...

Reference: RBD-2218

WT588D Audio Wi-Fi Receiver Voice Sound Audio Player Module

Module package (with FLASH memory and peripheral circuits) have DIP16, DIP28, chip packaging has DIP18, SSOP20, and LQFP32 form. Built 13Bit/DA converter, and 12Bit/PWM output. PWM output can directly drive 0.5W/8Ω speakers, push-pull current abundant support DAC / PWM output of two ways. Support for loading WAV audio formats. USB download mode, support...