{"product_id":"lm4881-headphone-amplifier-board-with-volume-control-dc-3-6v-12v","title":"LM4881 Headphone Amplifier Board With Volume Control DC 3.6V-12V","description":"\u003cp\u003eThe LM4881 Headphone Amplifier Board is a compact, ready-to-use audio amplifier module built around the LM4881 dual headphone amplifier chip. Just connect a DC power supply (3.6V to 12V), feed in an audio signal, and drive your headphones directly — no extra circuitry needed. It can also be used as a pre-amplifier stage in front of a larger power amplifier.\u003c\/p\u003e\n\u003cp\u003eAn onboard volume knob lets you adjust the output level, and turning it fully counter-clockwise switches the board off. Audio input and output are connected through simple JST connectors, and a standard 3.5mm jack is provided for plugging in headphones directly.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLM4881 dual headphone amplifier chip — up to 160mW output power\u003c\/li\u003e\n\u003cli\u003eWide supply voltage: DC 3.6V–12V (onboard 5V regulator)\u003c\/li\u003e\n\u003cli\u003eStandard 3.5mm headphone jack output plus 2.54mm pin header output\u003c\/li\u003e\n\u003cli\u003eVolume adjustment potentiometer with built-in power switch\u003c\/li\u003e\n\u003cli\u003eJST connectors for audio input, audio output, and power\u003c\/li\u003e\n\u003cli\u003eCan be used as a headphone driver or as a pre-amplifier\u003c\/li\u003e\n\u003cli\u003eCompact board: approx. 50mm × 25mm, weight ~20g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDIY headphone amplifier and portable audio projects\u003c\/li\u003e\n\u003cli\u003eAdding a headphone output to DIY audio builds\u003c\/li\u003e\n\u003cli\u003ePre-amplifier stage before a power amplifier board\u003c\/li\u003e\n\u003cli\u003eArduino \/ Raspberry Pi audio output projects\u003c\/li\u003e\n\u003cli\u003eStudents, hobbyists, and audio electronics labs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAmplifier chip: LM4881\u003c\/li\u003e\n\u003cli\u003eOperating voltage: DC 3.6V–12V\u003c\/li\u003e\n\u003cli\u003eMaximum output power: 160mW\u003c\/li\u003e\n\u003cli\u003eOutput: 3.5mm headphone jack + 2.54mm pin header\u003c\/li\u003e\n\u003cli\u003eControl: volume knob with on\/off switch\u003c\/li\u003e\n\u003cli\u003eBoard size: 50mm × 25mm\u003c\/li\u003e\n\u003cli\u003eWeight: approx. 20g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x LM4881 Headphone Amplifier Board\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Digilog Electronics","offers":[{"title":"Default Title","offer_id":51648752222486,"sku":null,"price":0.0,"currency_code":"PKR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/0764\/1366\/files\/S3dcf66da19484fbdbc45696ca4640a33f.webp?v=1785933238","url":"https:\/\/digilog.pk\/products\/lm4881-headphone-amplifier-board-with-volume-control-dc-3-6v-12v","provider":"digilog.pk","version":"1.0","type":"link"}