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PAM8403 Digital Power AmplifierPAM8403 Digital Power Amplifier The PAM8403 5V Two-channel Stereo is a 3W+3W, class-D audio amplifier, allowing it to achieve high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, requiring no low-pass output filters, thus saving system cost and PCB...
- Rs 29/-
- Rs 29/-
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Rs 69/-
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ISD1820 3-5V Voice Module Recording And Playback Module with Microphone and 0.5W SpeakerISD1820 3-5V Voice Module Recording And Playback Module with Microphone and 0.5W Speaker The ISD1820 Recording Module Voice Board is the real easy way to add Voice Recording (and Playback) to your project. The Module can be operated directly by using the 3 Push-Buttons...
- Rs 159/-
- Rs 159/-
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Rs 249/-
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Condenser MicrophoneCondenser Microphone Capture voice, sound, and subtle air vibrations with this compact condenser microphone designed for electronics, DIY, robotics, and embedded projects. Its sensitive electret construction converts changes in air pressure caused by sound into electrical signals, making it useful for applications where reliable...
- Rs 19/-
- Rs 19/-
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Rs 24/-
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PAM8610 Digital Amplifier BoardPAM8610 Digital Amplifier Board This amplifier plate adopts the official standard circuit design. Chip selection used is the United States' imported Long Ding micro class D power amplifier chip. The PAM 8610 is a 15W (per channel) stereo Class-D audio amplifier with DC Volume...
- Rs 112/-
- Rs 112/-
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Rs 169/-
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XH-M120 PAM8610 Amplifier BoardXH-M120 PAM8610 Amplifier Board The PAM8610 amplifier board is an all-new efficient amplifier board equipped with a 15W dual channel class D audio amplifier. This XH-M120 PAM8610 amplifier board is much more efficient and performs better than the Class AB amplifier boards. This Pam8610...
- Rs 179/-
- Rs 179/-
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Rs 339/-
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5V DC Mini Class D Pam8403 USB Power Amplifier Board5V DC Mini Class D Pam8403 USB Power Amplifier Board The PAM8403 is a 3W, class-D audio amplifier. It offers low THD+N, allowing it to achieve high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, requiring no low-pass...
- Rs 49/-
- Rs 49/-
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Rs 59/-
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7Semi MAX31855 K-Type Thermocouple Amplifier Breakout7Semi MAX31855 K-Type Thermocouple Amplifier Breakout The 7Semi MAX31855 Thermocouple Amplifier Breakout is designed for creators, engineers, and industrial users who need reliable and highly accurate temperature readings from extreme environments. With its advanced MAX31855 converter IC, this breakout allows effortless digital temperature measurement...
- Rs 550/-
- Rs 550/-
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Rs 683/-
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555 Multi-Channel Waveform Generator Module (174)NE555 Multi-Channel Waveform Generator Module NE555 multi-channel waveform generator can generate a square wave, sawtooth wave, triangle wave, sine wave. A waveform output is selected by a jumper, and the circuit is simple and convenient to operate.
- Rs 99/-
- Rs 99/-
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Rs 149/-
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7Semi MAX31856 Universal Thermocouple Amplifier Breakout7Semi MAX31856 Universal Thermocouple Amplifier Breakout (ES-12229) The 7Semi MAX31856 Universal Thermocouple Amplifier Breakout is a versatile temperature sensing board designed to work with a wide range of thermocouple types. It allows you to measure temperatures accurately, from very low to extremely high ranges,...
- Rs 895/-
- Rs 895/-
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Rs 1,145/-
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3 Channel Digital Subwoofer Amplifier Board3 Channel Digital Subwoofer Amplifier Board Build a compact, high-power audio system with this 3 Channel Digital Subwoofer Amplifier Board, designed for DIY speakers, home audio projects, custom sound systems and other electronics applications. The board uses a TPA3116D2-compatible Class-D amplifier design and provides separate left,...
- Rs 743/-
- Rs 743/-
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Rs 1,324/-
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TPA3118 PBTL Mono Digital AmplifierTPA3118 PBTL Mono Digital Amplifier TPA3118 is an audio power amplifier board that enhances low-power, electronic audio signals, such as those from radio receivers or electric guitar pickups or headphones. The power amplifier allows the listener to hear the audio with higher volume and...
- Rs 129/-
- Rs 129/-
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Rs 156/-
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PAM 8403 Amplifier Module with KnobPAM 8403 Amplifier Module with Knob PAM8403 is a basic 5V input amplifier board that can drive two 3W + 3W stereo speakers. It’s a great option for anyone looking for a Class-D stereo audio amplifier with a tiny footprint. The user can get...
- Rs 64/-
- Rs 64/-
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Rs 79/-
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3W 4 Ohm 2 Inch Full Range Stereo Audio Speaker Woofer3W 4 Ohm 2 Inch Full Range Stereo Audio Speaker Woofer The 3W 4 Ohm 2 Inch Full Range Stereo Audio Speaker Woofer is a compact, high-performance speaker designed to deliver clear and balanced sound for a wide range of audio applications. With a...
- Rs 124/-
- Rs 124/-
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Rs 199/-
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Seeed Studio reSpeaker XMOS XVF3800 – AI 4-Mic Array for Clear Voice in Noisy EnvironmentsSeeed Studio reSpeaker XMOS XVF3800 – AI 4-Mic Array for Clear Voice in Noisy Environments The Seeed Studio reSpeaker XMOS XVF3800 – AI 4-Mic Array is a professional voice processing solution designed to deliver clear and reliable voice capture even in noisy surroundings. Powered...
- Rs 6,249/-
- Rs 6,249/-
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Rs 6,899/-
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8 Ohm 0.5W Speaker8 Ohm 0.5W Speaker The 8 Ohm 0.5W Speaker is a compact 40mm diameter audio output device designed for low-power applications requiring an 8 Ω impedance and a maximum power handling of 0.5 watt. Its lightweight metal body makes it easy to mount in...
- Rs 54/-
- Rs 54/-
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Rs 99/-
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TDA 2030A Audio power Amplifier ModuleTDA 2030A Audio power Amplifier Module Want to increase the audio output capability of your project? Well, then this is the perfect module for you. This module is based on the famous TDA2030A Audio Amplifier Module which is capable of 18-watt power output with...
- Rs 72/-
- Rs 72/-
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Rs 129/-
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ISD1820 Sound Voice Board Recording ModuleISD1820 Sound Voice Board Recording Module The ISD1820 Sound/Voice Board Recording is 100% Brand new and high-quality Board ISD1820 chip with an Onboard microphone, you can direct recording of About 10 seconds voice recording. This voice record/playback device is based on the ISD1820 chip, which...
- Rs 161/-
- Rs 161/-
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Rs 180/-
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DTMF Decoder - GLDTMF Decoder - GL Decodes DTMF audio signal to 4 bit binary TTL level output with LED indication. It also indicates outputs with LED. Can be used directly with microcontrollers to develop various DTMF related applications like remote monitoring, remote control, Caller ID, Auto...
- Rs 201/-
- Rs 201/-
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Rs 221/-
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Audio Components for Electronics Projects
Audio Components for Electronics Projects
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Buy Audio Boards Online in India
Devices that enhance the listening experience are known as audio components. Audio components consist of a wide range of amplifiers, receivers, and adapters that improve the quality of sound from various source components. Various types of audio amplifiers are available with different power ratings, channel and connection types, control setups, and built-in effects. It is recommended to select amplifiers that deliver at least twice the program power rating of your speakers to achieve efficient and consistent amplification results. Buy Audio Boards and other electronic modules online in India.
Arduino Audio Amplifier – Wiring & Code Example
Basic Wiring (e.g., PAM8403 / LM386 module)
Connections:
- Amplifier VCC → Arduino 5V
- Amplifier GND → Arduino GND
- Amplifier IN+ → Arduino D9 (audio/tone output pin)
- Amplifier IN- → GND
- Speaker + → Amplifier OUT+
- Speaker - → Amplifier OUT-
Note: Use an 8Ω speaker (or as specified on the module). Keep wires short for best audio quality.
Simple Tone Test Code (Arduino)
const int audioPin = 9;
void setup() {
pinMode(audioPin, OUTPUT);
}
void loop() {
tone(audioPin, 1000); // 1 kHz tone
delay(500);
noTone(audioPin);
delay(500);
}
Applications: Mini Speakers & Intercom Systems
- Portable mini speaker for Arduino/ESP32 projects
- Talking robots (voice prompts, beeps, sound effects)
- Doorbell and intercom systems with mic + speaker + amp
- Alarm systems with loud siren tones
- Announcement modules for school/college projects
- Game sound effects (points, hits, countdown beeps)
Amplifier Module Power & Output Comparison
| Module Type | Typical Power Output | Channels | Speaker Impedance | Ideal Use Case |
|---|---|---|---|---|
| Small LM386 Module | ~0.5–1 W | Mono | 8Ω | Simple buzzers, small speakers |
| PAM8403 Amplifier | ~2×3 W (stereo) | Stereo | 4–8Ω | Mini stereo speakers, DIY Bluetooth box |
| TDA7297 / 15–20 W | 2×10–15 W | Stereo | 4–8Ω | Larger speakers, desktop amps |
| Class D 30 W+ Boards | 30 W and above | Mono / Stereo | 4–8Ω | High-volume projects, outdoor use |
DIY Sound Projects for STEM Education
- Sound-Effect Box – push buttons trigger different tones or recorded sounds through a small speaker.
- Morse Code Trainer – use a buzzer/speaker and LEDs to teach Morse code and timing.
- Simple Intercom – two Arduino nodes with mic + amp + speaker to talk over a wired connection.
- Noise Level Indicator – microphone module + LEDs to show loud/quiet environments.
- Talking Thermometer – temperature sensor + audio prompts (“Hot”, “Cold”) via sound module.
- Alarm Project – combine PIR sensor + audio module + amplifier for motion-triggered alarm.
Audio Boards/Modules Prices in India
Product | Price |
Rs. 149 | |
| Rs. 41 | |
| Rs. 147 |
Other Categories
Buzzers | Speakers | Microphones | Amplifiers
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1. Where can I buy audio components for a project online?
You can get audio components from online electronic module stores like Robocraze, Amazon, and others. Higher-end audio equipment can also be purchased from premium brands such as Bose, Sennheiser, and Audio Technica.
2. Where can I buy audio components at a shop near me?
Audio components for hobby projects can be found at select electronic module shops. It is always recommended to call the store beforehand to confirm whether the specific audio components you need are available.
3. How to choose the best audio components online?
You can compare reviews and performance by checking the model number across multiple websites. This helps ensure you receive the exact product you’re looking for and verifies its authenticity and quality.
4. What is the price of an audio component for a project in India?
The price of audio components varies significantly based on the manufacturer, quality, lifespan, and size. High-quality components often include electrical isolation circuits to reduce interference, which increases their cost. Speakers, in particular, vary in price depending on the number of drivers they use to reproduce the full audible frequency range of the human ear (20 Hz to 20,000 Hz).
5. Can these components be used with Arduino or Raspberry Pi?
Yes, most audio components in this collection work well with popular development boards like Arduino and Raspberry Pi. Whether you are building a voice-activated gadget, a musical project, or an alert system, these modules are designed to interface easily using simple wiring and standard communication protocols. With basic libraries and example codes available online, you can get sensors, speakers, microphones, and amplifiers talking to your microcontroller or single-board computer without trouble.
6. Are there mini speakers and microphones for projects?
You will find compact speakers, buzzers, and microphones suitable for small DIY electronics, robotics, and embedded projects. These tiny audio parts are perfect when you want big sound in a little space, such as wearable gadgets, school science builds, or smart home experiments. They balance size, clarity, and power needs to fit budget-friendly prototypes and hobby setups.
7. Do you provide connection and setup instructions?
Most components include basic usage guidance, pin details, and compatibility notes in the product description. Many listings also mention the required connection method so you know how to plug things in correctly. For deeper learning, there are plenty of beginner-friendly resources and project tutorials available online, helping you understand wiring, coding, and audio signal basics as you work.
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