{"product_id":"pam-8403-amplifier-module-with-knob","title":"PAM 8403 Amplifier Module with Knob","description":"\u003cp\u003e\u003cstrong\u003ePAM 8403 Amplifier Module with Knob\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ethe pam8403 amplifier module with knob is a compact and efficient class-d stereo audio amplifier board designed to amplify low-level audio signals into higher power output suitable for driving small speakers. it is based on the pam8403 amplifier ic, which is known for its high efficiency, low heat generation, and good audio performance in portable and low-power applications.\u003c\/p\u003e\n\u003cp\u003ethis module provides a stereo output of 3w + 3w, making it suitable for small speaker systems, diy audio projects, and embedded sound applications. it operates directly from a 5v dc power supply, which can be easily provided using usb power, batteries, or regulated power modules.\u003c\/p\u003e\n\u003cp\u003ethe working principle of the pam8403 module is based on class-d amplification. in this method, the input audio signal is converted into a high-frequency pwm signal internally. this signal is then switched rapidly through output transistors, and the speaker reconstructs the amplified audio signal. because of this switching operation, the module achieves high efficiency (up to around 90%) with very low heat dissipation.\u003c\/p\u003e\n\u003cp\u003ethe onboard potentiometer knob allows easy control of volume. by rotating the knob, the input signal level sent to the amplifier ic is adjusted, which directly controls the loudness of the output speakers. this makes it convenient for real-time volume adjustment without external software or microcontroller control.\u003c\/p\u003e\n\u003cp\u003ethe module supports 4 ohm to 8 ohm speakers and provides stable stereo audio output for left and right channels. it also includes built-in protection features such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ethermal protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eshort-circuit protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eover-current protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ethese safety features help ensure reliable operation and long service life of the module.\u003c\/p\u003e\n\u003cp\u003ethe pam8403 amplifier module is commonly used in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ediy portable speakers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ebluetooth speaker systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003earduino audio projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eembedded sound systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003esmart devices with audio output\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eeducational electronics projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003esmall multimedia systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003erobotics audio feedback systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ebecause of its compact size and simple wiring, the module is very easy to integrate into electronic projects. it typically requires only audio input signals, a 5v power supply, and speaker connections.\u003c\/p\u003e\n\u003cp\u003eoverall, the pam8403 amplifier module with knob is a highly efficient, low-noise, and easy-to-use stereo audio amplification solution that provides clear sound output, simple volume control, and reliable performance for a wide range of diy and embedded audio applications.\u003c\/p\u003e","brand":"Electro Robo Store","offers":[{"title":"Default Title","offer_id":52481376223508,"sku":"MT0239","price":60.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/6590\/0052\/files\/amp.jpg?v=1778225873","url":"https:\/\/electro-robo.com\/products\/pam-8403-amplifier-module-with-knob","provider":"Electro Robo Store","version":"1.0","type":"link"}