{"product_id":"nobsound-hifi-2-1-channel-bluetooth-5-0-power-amplifier-board-case","title":"Nobsound HiFi 2.1 Channel Bluetooth 5.0 Power Amplifier Board Case","description":"\u003cp\u003eIn this review the Nobsound HiFi 2.1 Channel Bluetooth 5.0 Power Amplifier Board is assessed for home audio enthusiasts who want a powerful, flexible amp to drive bookshelf speakers and a passive subwoofer. The single biggest reason to buy is its combination of dual TPA3116D2 power stages and Bluetooth 5.0, which deliver clear stereo and a dedicated subwoofer channel with enough output to fill a small to medium room without needing a large, expensive receiver.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetoot 5.0:\u003c\/strong\u003e Provides stable, higher-speed wireless audio for easy streaming from phones and tablets with minimal dropouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual TPA3116D2 chips:\u003c\/strong\u003e One chip amplifies left and right channels while the other drives the subwoofer, giving clean power distribution and strong bass headroom.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple audio inputs:\u003c\/strong\u003e Built-in Bluetooth plus 3.5mm AUX and 3 PIN inputs make this amp compatible with phones, computers and CD players as well as DIY source setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull tone controls:\u003c\/strong\u003e Five potentiometers allow adjustment of bass volume, bass frequency, left\/right channel balance and master volume for tailored sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide voltage range:\u003c\/strong\u003e Runs on DC 12-24V so it can be powered from a standard switching supply or a storage battery for portable or roadside use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow noise circuit design:\u003c\/strong\u003e A concise PCB layout and preamplification filtering reduce audible pops and hiss even at higher output levels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis amp suits hobbyists building compact desktop or bookshelf systems that need a dedicated subwoofer and simple wireless streaming. It is also a good match for people who want to DIY an enclosure or integrate the board into a custom cabinet thanks to the separate case and accessible wiring.\u003c\/p\u003e\n\u003cp\u003eIt is less ideal for users seeking a finished, premium enclosure out of the box or those who need advanced room correction and network features; the case ships separately and some buyers reported variable build quality, so buyers who prioritize factory-polished fit and finish may prefer a different product.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStrong power: 50W per channel plus 100W to the sub delivers impactful sound for most home setups.\u003c\/li\u003e\n\u003cli\u003eFlexible inputs: Bluetooth plus AUX and 3 PIN connections cover a wide range of sources.\u003c\/li\u003e\n\u003cli\u003eCustomizable tone: dedicated bass frequency and volume controls let listeners tune the low end.\u003c\/li\u003e\n\u003cli\u003ePortable power options: works from 12-24V so it can be used with batteries or a standard supply.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCase assembly required and some customers note the build quality can be inconsistent, so expect light DIY work and inspection before use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth version\u003c\/td\u003e\n\u003ctd\u003e5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax output power\u003c\/td\u003e\n\u003ctd\u003e100W (sub) + 50W x2 (L\/R)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking voltage\u003c\/td\u003e\n\u003ctd\u003eDC 12-24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency response\u003c\/td\u003e\n\u003ctd\u003e20Hz-20KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeaker impedance\u003c\/td\u003e\n\u003ctd\u003e4-8 ohm (L\/R)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubwoofer impedance\u003c\/td\u003e\n\u003ctd\u003e2-8 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio inputs\u003c\/td\u003e\n\u003ctd\u003eBluetooth \/ 3.5mm AUX \/ 3 PIN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Nobsound HiFi 2.1 amp is a practical, high-value option for DIYers and audio hobbyists who need a compact 2.1 solution with \u003cstrong\u003erobust power\u003c\/strong\u003e and flexible inputs. It pairs strong low-end performance with convenient Bluetooth streaming, though buyers should be prepared to assemble the case and inspect build quality. For the price, it delivers clear sound and useful tone controls that make it a solid pick for bookshelf and small room systems.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support Bluetooth streaming from phones?\u003c\/strong\u003e\u003cbr\u003eYes, the amplifier uses Bluetooth 5.0 for stable, high-speed wireless audio from phones, tablets and similar devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it drive passive bookshelf speakers and a subwoofer?\u003c\/strong\u003e\u003cbr\u003eYes, it provides 50W per left\/right channel and 100W to a passive subwoofer, and supports 4-8 ohm speakers and 2-8 ohm subs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the case pre-assembled?\u003c\/strong\u003e\u003cbr\u003eNo, the case is packaged separately and requires assembly with included screws, shims and knobs.\u003c\/p\u003e","brand":"Nobsound","offers":[{"title":"Default Title","offer_id":46776632869083,"sku":"B0836NL1Q2","price":45.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71befrlRTWL._AC_SL1500.jpg?v=1747854749","url":"https:\/\/gearmusthave.com\/products\/nobsound-hifi-2-1-channel-bluetooth-5-0-power-amplifier-board-case","provider":"GearMustHave","version":"1.0","type":"link"}