{"product_id":"fosi-audio-bt20a-max-bluetooth-6-0-class-d-stereo-2-1-amplifier-with-tpa3255-chip-pffb-technology-300w-2-output-and-hi-res-wireless-audio","title":"Fosi Audio BT20A MAX Bluetooth 6.0 Class-D Stereo \/ 2.1 Amplifier with TPA3255 Chip, PFFB Technology, 300W × 2 Output, and Hi-Res Wireless Audio","description":"\u003cp data-start=\"230\" data-end=\"433\"\u003eThe Fosi Audio BT20A MAX is the \u003cstrong data-start=\"262\" data-end=\"282\"\u003eflagship upgrade\u003c\/strong\u003e in the BT20A series, designed for audiophiles who want \u003cstrong data-start=\"338\" data-end=\"409\"\u003emaximum power, modern wireless performance, and clean sound quality\u003c\/strong\u003e in a compact amplifier.\u003c\/p\u003e\n\u003cp data-start=\"435\" data-end=\"800\"\u003eAt its core, it uses the premium \u003cstrong data-start=\"468\" data-end=\"520\"\u003eTexas Instruments TPA3255 Class-D amplifier chip\u003c\/strong\u003e combined with advanced \u003cstrong data-start=\"544\" data-end=\"586\"\u003ePFFB (Post-Filter Feedback) technology\u003c\/strong\u003e, significantly reducing distortion and improving consistency across different speaker loads. This results in ultra-clean sound with \u003cstrong data-start=\"719\" data-end=\"759\"\u003eTHD as low as 0.003% and SNR ≥112 dB\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"802\" data-end=\"1022\"\u003eDelivering up to \u003cstrong data-start=\"819\" data-end=\"850\"\u003e300W × 2 @ 4Ω (180W RMS ×2)\u003c\/strong\u003e, the BT20A MAX has enough power to drive demanding bookshelf and even many floorstanding speakers with strong dynamics and control. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1024\" data-end=\"1277\"\u003eA major highlight is its \u003cstrong data-start=\"1049\" data-end=\"1096\"\u003eBluetooth 6.0 with Qualcomm QCC3095 chipset\u003c\/strong\u003e, supporting high-resolution codecs like \u003cstrong data-start=\"1137\" data-end=\"1188\"\u003eLDAC, aptX Lossless, aptX Adaptive, and aptX HD\u003c\/strong\u003e, enabling near Hi-Fi wireless streaming quality. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1279\" data-end=\"1524\"\u003eUnlike earlier models, it supports \u003cstrong data-start=\"1314\" data-end=\"1342\"\u003e2.1 system configuration\u003c\/strong\u003e with a dedicated \u003cstrong data-start=\"1360\" data-end=\"1380\"\u003esubwoofer output\u003c\/strong\u003e and includes an \u003cstrong data-start=\"1397\" data-end=\"1428\"\u003e80Hz high-pass filter (HPF)\u003c\/strong\u003e to optimize integration between speakers and subwoofer. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1526\" data-end=\"1564\"\u003eAdditional premium features include:\u003c\/p\u003e\n\u003cul data-start=\"1565\" data-end=\"1815\"\u003e\n\u003cli data-section-id=\"14xyf2\" data-start=\"1565\" data-end=\"1607\"\u003e\n\u003cstrong data-start=\"1567\" data-end=\"1586\"\u003eDual RCA inputs\u003c\/strong\u003e (multiple sources)\u003c\/li\u003e\n\u003cli data-section-id=\"16fe388\" data-start=\"1608\" data-end=\"1652\"\u003e\u003cstrong data-start=\"1610\" data-end=\"1650\"\u003eMotorized volume control with remote\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"r7rpan\" data-start=\"1653\" data-end=\"1707\"\u003e\n\u003cstrong data-start=\"1655\" data-end=\"1678\"\u003eTone \/ Bypass modes\u003c\/strong\u003e (pure vs adjustable sound)\u003c\/li\u003e\n\u003cli data-section-id=\"1i4blpv\" data-start=\"1708\" data-end=\"1756\"\u003e\n\u003cstrong data-start=\"1710\" data-end=\"1731\"\u003e12V trigger input\u003c\/strong\u003e for system integration\u003c\/li\u003e\n\u003cli data-section-id=\"29wo9p\" data-start=\"1757\" data-end=\"1815\"\u003e\n\u003cstrong data-start=\"1759\" data-end=\"1781\"\u003eActive cooling fan\u003c\/strong\u003e for stable high-power operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1817\" data-end=\"1820\"\u003e\n\u003ch2 data-section-id=\"155rk9w\" data-start=\"1822\" data-end=\"1854\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1825\" data-end=\"1852\"\u003ePerformance Highlights:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1855\" data-end=\"2084\"\u003e• Up to 300W × 2 output (TPA3255 Class-D)\u003cbr data-start=\"1896\" data-end=\"1899\"\u003e• PFFB technology for ultra-low distortion\u003cbr data-start=\"1941\" data-end=\"1944\"\u003e• Bluetooth 6.0 with LDAC \/ aptX Lossless\u003cbr data-start=\"1985\" data-end=\"1988\"\u003e• 2.1 system support with subwoofer output\u003cbr data-start=\"2030\" data-end=\"2033\"\u003e• High SNR (≥112 dB) and clean signal performance\u003c\/p\u003e\n\u003chr data-start=\"2086\" data-end=\"2089\"\u003e\n\u003ch2 data-section-id=\"7p9fey\" data-start=\"2091\" data-end=\"2129\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2094\" data-end=\"2129\"\u003eWhy You Should Buy This Product\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2131\" data-end=\"2416\"\u003e• ⭐ One of the \u003cstrong data-start=\"2146\" data-end=\"2188\"\u003ebest compact amps under high-end level\u003c\/strong\u003e\u003cbr data-start=\"2188\" data-end=\"2191\"\u003e• ⭐ True upgrade over BT20A Pro (not just marketing)\u003cbr data-start=\"2243\" data-end=\"2246\"\u003e• ⭐ Supports \u003cstrong data-start=\"2259\" data-end=\"2302\"\u003eHi-Res Bluetooth (LDAC \/ aptX Lossless)\u003c\/strong\u003e\u003cbr data-start=\"2302\" data-end=\"2305\"\u003e• ⭐ Powerful enough for serious Hi-Fi speakers\u003cbr data-start=\"2351\" data-end=\"2354\"\u003e• ⭐ Full feature set (remote, dual input, subwoofer control)\u003c\/p\u003e\n\u003chr data-start=\"2418\" data-end=\"2421\"\u003e\n\u003ch2 data-section-id=\"1j5qwet\" data-start=\"2423\" data-end=\"2442\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2426\" data-end=\"2442\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2444\" data-end=\"2838\"\u003e• Class-D stereo \/ 2.1 amplifier (TPA3255)\u003cbr data-start=\"2486\" data-end=\"2489\"\u003e• PFFB feedback technology (low distortion)\u003cbr data-start=\"2532\" data-end=\"2535\"\u003e• Bluetooth 6.0 (LDAC, aptX Lossless, aptX Adaptive, aptX HD)\u003cbr data-start=\"2596\" data-end=\"2599\"\u003e• Dual RCA inputs + Bluetooth\u003cbr data-start=\"2628\" data-end=\"2631\"\u003e• Speaker outputs + subwoofer output\u003cbr data-start=\"2667\" data-end=\"2670\"\u003e• High-pass filter (80 Hz switchable)\u003cbr data-start=\"2707\" data-end=\"2710\"\u003e• Bass \u0026amp; treble controls + bypass mode\u003cbr data-start=\"2748\" data-end=\"2751\"\u003e• Motorized volume control with remote\u003cbr data-start=\"2789\" data-end=\"2792\"\u003e• 12V trigger input\u003cbr data-start=\"2811\" data-end=\"2814\"\u003e• Built-in cooling fan\u003c\/p\u003e\n\u003chr data-start=\"2840\" data-end=\"2843\"\u003e\n\u003ch2 data-section-id=\"id1bjs\" data-start=\"2845\" data-end=\"2876\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2848\" data-end=\"2876\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2878\" data-end=\"2985\"\u003e\u003cstrong data-start=\"2878\" data-end=\"2889\"\u003eGeneral\u003c\/strong\u003e\u003cbr data-start=\"2889\" data-end=\"2892\"\u003e• Product Type: Bluetooth Stereo \/ 2.1 Amplifier\u003cbr data-start=\"2940\" data-end=\"2943\"\u003e• Brand: Fosi Audio\u003cbr data-start=\"2962\" data-end=\"2965\"\u003e• Model: BT20A MAX\u003c\/p\u003e\n\u003cp data-start=\"2987\" data-end=\"3380\"\u003e\u003cstrong data-start=\"2987\" data-end=\"3010\"\u003eAudio \u0026amp; Performance\u003c\/strong\u003e\u003cbr data-start=\"3010\" data-end=\"3013\"\u003e• Amplifier Type: Class-D (TPA3255 + NE5532)\u003cbr data-start=\"3057\" data-end=\"3060\"\u003e• Output Power:\u003cbr data-start=\"3075\" data-end=\"3078\"\u003e • Max: 300W × 2 @ 4Ω\u003cbr data-start=\"3099\" data-end=\"3102\"\u003e • RMS: 180W × 2 @ 4Ω \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"3161\" data-end=\"3164\"\u003e• THD+N: ≤0.003% \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"3218\" data-end=\"3221\"\u003e• Signal-to-Noise Ratio: ≥112 dB \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"3291\" data-end=\"3294\"\u003e• Frequency Response: 20 Hz – 20 kHz (±0.5 dB) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3382\" data-end=\"3633\"\u003e\u003cstrong data-start=\"3382\" data-end=\"3398\"\u003eConnectivity\u003c\/strong\u003e\u003cbr data-start=\"3398\" data-end=\"3401\"\u003e• Bluetooth: Version 6.0 (QCC3095 chipset) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"3481\" data-end=\"3484\"\u003e• Codecs: SBC \/ AAC \/ aptX \/ aptX HD \/ aptX Adaptive \/ aptX Lossless \/ LDAC \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"3599\" data-end=\"3602\"\u003e• Inputs: 2 × RCA + Bluetooth\u003c\/p\u003e\n\u003cp data-start=\"3635\" data-end=\"3722\"\u003e\u003cstrong data-start=\"3635\" data-end=\"3646\"\u003eOutputs\u003c\/strong\u003e\u003cbr data-start=\"3646\" data-end=\"3649\"\u003e• Speaker Outputs: Binding posts\u003cbr data-start=\"3681\" data-end=\"3684\"\u003e• Subwoofer Output: Yes (2.1 system)\u003c\/p\u003e\n\u003cp data-start=\"3724\" data-end=\"3903\"\u003e\u003cstrong data-start=\"3724\" data-end=\"3747\"\u003eControls \u0026amp; Features\u003c\/strong\u003e\u003cbr data-start=\"3747\" data-end=\"3750\"\u003e• Volume: Motorized (remote control)\u003cbr data-start=\"3786\" data-end=\"3789\"\u003e• Tone Control: Bass \/ Treble\u003cbr data-start=\"3818\" data-end=\"3821\"\u003e• Bypass Mode: Yes\u003cbr data-start=\"3839\" data-end=\"3842\"\u003e• High-Pass Filter: 80 Hz selectable\u003cbr data-start=\"3878\" data-end=\"3881\"\u003e• Trigger Input: 12V\u003c\/p\u003e\n\u003cp data-start=\"3905\" data-end=\"3994\"\u003e\u003cstrong data-start=\"3905\" data-end=\"3914\"\u003ePower\u003c\/strong\u003e\u003cbr data-start=\"3914\" data-end=\"3917\"\u003e• Power Supply: 32V–48V external adapter\u003cbr data-start=\"3957\" data-end=\"3960\"\u003e• Cooling: Active (internal fan)\u003c\/p\u003e\n\u003cp data-start=\"3996\" data-end=\"4130\"\u003e\u003cstrong data-start=\"3996\" data-end=\"4017\"\u003ePhysical \u0026amp; Design\u003c\/strong\u003e\u003cbr data-start=\"4017\" data-end=\"4020\"\u003e• Chassis: Aluminum\u003cbr data-start=\"4039\" data-end=\"4042\"\u003e• Cooling: Fan-assisted (enhanced thermal stability)\u003cbr data-start=\"4094\" data-end=\"4097\"\u003e• Design: Compact desktop Hi-Fi\u003c\/p\u003e\n\u003chr data-start=\"4132\" data-end=\"4135\"\u003e\n\u003ch2 data-section-id=\"rizf6l\" data-start=\"4137\" data-end=\"4152\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"4140\" data-end=\"4152\"\u003eIncluded\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"4154\" data-end=\"4351\"\u003e• 1 × Fosi Audio BT20A MAX Amplifier\u003cbr data-start=\"4190\" data-end=\"4193\"\u003e• 1 × Power Adapter (32V \/ 48V depending on bundle)\u003cbr data-start=\"4244\" data-end=\"4247\"\u003e• 1 × Bluetooth Antenna\u003cbr data-start=\"4270\" data-end=\"4273\"\u003e• 1 × Remote Control\u003cbr data-start=\"4293\" data-end=\"4296\"\u003e• User Manual\u003c\/p\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":52892822274367,"sku":"BT20A MAX","price":24999.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0014\/5942\/1272\/files\/51ypPqbs82L._SL1500.jpg?v=1777729142","url":"https:\/\/audiomaxx.in\/products\/fosi-audio-bt20a-max-bluetooth-6-0-class-d-stereo-2-1-amplifier-with-tpa3255-chip-pffb-technology-300w-2-output-and-hi-res-wireless-audio","provider":"Audiomaxx India","version":"1.0","type":"link"}