{"product_id":"nobsound-g2-subwoofer-power-amplifier-mini-mono-sub-amp-100w-compact","title":"Nobsound G2 Subwoofer Power Amplifier Mini Mono SUB Amp 100W - Compact","description":"\u003cp\u003eIn this review the Nobsound G2 is judged as a compact, flexible subwoofer and mono power amp aimed at hobbyists and small home theater setups who need focused low-frequency power without a large footprint. The single biggest reason to buy is its combination of a dedicated \u003cstrong\u003esubwoofer mode\u003c\/strong\u003e and a mono bridgeable option that delivers up to 100W using TI TPA3116, letting users run a passive sub or a single-channel speaker with good control and minimal background noise.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual mode switch:\u003c\/strong\u003e The convenient SUB and PBLT mode switch lets users quickly choose between a low-pass subwoofer configuration or a bridgeable mono amp for higher single-channel power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100W output:\u003c\/strong\u003e Built around the TI TPA3116 with NE5532 op-amp, the G2 can drive most home sub and mono speakers with firm, controlled bass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable gain:\u003c\/strong\u003e Four gain settings (20\/26\/32\/36 dB) allow matching to preamp levels and help preserve signal purity without relying on external resistor attenuation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass cutoff control:\u003c\/strong\u003e The onboard low-pass\/bass cutoff knob makes it simple to dial in the sub crossover without extra processing gear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality power supply:\u003c\/strong\u003e The supplied 19V 4.74A adapter provides stable current for consistent performance during demanding low-frequency passages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection and low noise:\u003c\/strong\u003e The amp includes speaker protection circuitry and an optimized layout to minimize audible background hiss.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis amp suits DIY home theater builders, garage or workshop systems, and anyone who needs a compact dedicated sub amp or a reliable mono channel for a single speaker. It is particularly useful where space is limited and a clean low-frequency response is desired without a full receiver.\u003c\/p\u003e\n\u003cp\u003eThose who need multichannel amplification for stereo systems without purchasing two amps should consider pairing two G2 units in PBLT\/BTL bridge to avoid channel interaction. However, buyers seeking built-in multichannel processing, network streaming, or high-power audiophile stereo amplification should look to larger integrated amplifiers instead.\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\u003eCompact footprint with strong low-frequency output suitable for passive subwoofers.\u003c\/li\u003e\n\u003cli\u003eFlexible operation as either a dedicated sub amp or a bridgeable mono amp for higher single-channel power.\u003c\/li\u003e\n\u003cli\u003eUseful controls including 4-level gain and a bass cutoff knob for easy tuning.\u003c\/li\u003e\n\u003cli\u003eGenerally low background noise thanks to TI TPA3116 and careful circuit design.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVibration and hum reports are mixed among users, so mounting and grounding may require attention in some installations.\u003c\/li\u003e\n\u003cli\u003eNot a substitute for full-featured receivers if you need multiple channels, tone controls, or network features.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eNobsound G2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctions\u003c\/td\u003e\n\u003ctd\u003eSubwoofer mode \/ Mono PBLT bridge mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput device\u003c\/td\u003e\n\u003ctd\u003eTI TPA3116 with NE5532 op-amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum power\u003c\/td\u003e\n\u003ctd\u003e100W (mono)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply\u003c\/td\u003e\n\u003ctd\u003e19V 4.74A adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGain settings\u003c\/td\u003e\n\u003ctd\u003e20 \/ 26 \/ 32 \/ 36 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControls\u003c\/td\u003e\n\u003ctd\u003eBass cutoff knob, mode switch, gain selector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Nobsound G2 is a practical, affordable choice for someone who wants a compact dedicated sub amp or a bridgeable mono channel with clear controls and strong low-end output. It offers very good value for small home theater builds and DIY systems where space and budget matter, though installers should check for vibration or grounding issues in their specific setup.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan the G2 drive a typical passive subwoofer?\u003c\/strong\u003e\u003cbr\u003eYes, the G2 is designed to be used as a subwoofer power amplifier for passive subs and delivers up to 100W with a low-pass filter to tune the crossover.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan two units be used for stereo?\u003c\/strong\u003e\u003cbr\u003eYes, using two G2 units in PBLT\/BTL bridge lets you drive left and right channels separately and avoids channel interference common to some 2.0 amps.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs there noticeable background noise?\u003c\/strong\u003e\u003cbr\u003eMost users report low background noise due to optimized circuitry, but a few have mentioned vibration or hum depending on installation and grounding, so test placement and cabling if noise appears.\u003c\/p\u003e","brand":"Douk Audio","offers":[{"title":"Default Title","offer_id":48741565759707,"sku":"B07MR6YCQ1","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71m0zCJoTrL._AC_SL1500.jpg?v=1778992163","url":"https:\/\/gearmusthave.com\/products\/nobsound-g2-subwoofer-power-amplifier-mini-mono-sub-amp-100w-compact","provider":"GearMustHave","version":"1.0","type":"link"}