{"product_id":"as21hpa-2-1-channel-bluetooth-digital-power-amplifier-300w-600w-tpa3255","title":"AS21HPA 2.1 Channel Bluetooth Amplifier 300W×2+600W TPA3255","description":"\n\u003ch2\u003eAS21HPA High Power Bluetooth Digital Amplifier – 2.1 Channel Subwoofer\u003c\/h2\u003e\n\u003cp\u003eUnleash room-filling, concert-quality audio with the \u003cstrong\u003eAS21HPA 2.1 Channel Bluetooth Digital Power Amplifier\u003c\/strong\u003e. Built around the renowned \u003cstrong\u003eTPA3255 chip\u003c\/strong\u003e, this beast delivers a staggering \u003cstrong\u003e300W × 2 (stereo) + 600W (subwoofer)\u003c\/strong\u003e — a total of 1200W of clean, distortion-free power that brings your music, movies, and gaming soundtracks to life like never before.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're building a home theater, a DJ rig, or a high-fidelity listening room, the AS21HPA is engineered for audiophiles who refuse to compromise. Its stainless steel construction speaks to its durability, while its Class-D efficiency keeps heat low and power output sky high.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMassive Power Output:\u003c\/strong\u003e 300W × 2 stereo channels + 600W dedicated subwoofer channel for thunderous, layered sound\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTPA3255 Chipset:\u003c\/strong\u003e Texas Instruments' flagship Class-D amplifier IC — industry-leading efficiency with ultra-low THD+N for audiophile-grade fidelity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth Connectivity:\u003c\/strong\u003e Wireless audio streaming from smartphones, tablets, PCs, and more — no cables required\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2.1 Channel Configuration:\u003c\/strong\u003e Dedicated left, right, and subwoofer outputs for a full, immersive soundstage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStainless Steel Build:\u003c\/strong\u003e Robust, premium housing designed for long-lasting performance in demanding environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Efficiency Class-D Design:\u003c\/strong\u003e Runs cool and efficiently, making it ideal for extended listening sessions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Compatibility:\u003c\/strong\u003e Works with passive speakers, subwoofer cabinets, PA systems, and home audio setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAS21HPA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmplifier Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass-D (Digital)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChipset\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTPA3255 (Texas Instruments)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannel Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.1 (Stereo + Subwoofer)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStereo Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300W × 2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubwoofer Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e600W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnectivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBluetooth + Wired Input\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHome theater and hi-fi audio systems\u003c\/li\u003e\n  \u003cli\u003eDJ booths and live sound setups\u003c\/li\u003e\n  \u003cli\u003eRecording studios and rehearsal spaces\u003c\/li\u003e\n  \u003cli\u003ePowered subwoofer and satellite speaker arrays\u003c\/li\u003e\n  \u003cli\u003eAudiophiles upgrading from conventional AVR receivers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy the TPA3255 Matters\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eTexas Instruments TPA3255\u003c\/strong\u003e is widely regarded as one of the best Class-D amplifier chips available. It achieves up to \u003cstrong\u003e96% efficiency\u003c\/strong\u003e and an exceptionally low Total Harmonic Distortion + Noise (THD+N) rating, meaning you get powerful, crystal-clear audio with virtually no unwanted coloration or noise floor. Learn more about audio amplifier technology and Class-D efficiency on Energy.gov – Electronics \u0026amp; Efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-mini-hd-video-encoder-hdmi-to-ip-rtmp-srt-hls-rtsp-h265-h264-iptv\"\u003e1-Channel Mini HD Video Encoder HDMI to IP RTMP SRT HLS H.265\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-8m-displayport-to-hdmi-cable-4k-dp-adapter-pc-hdtv-projector\"\u003e1.8M DisplayPort to HDMI Cable 4K – DP Adapter for PC \u0026amp; TV\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/usb-c-to-hdmi-cable-1-8m-4k-macbook-laptop-phone\"\u003e1.8M USB-C to HDMI Cable 4K – MacBook, Laptop \u0026amp; Phone\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Audio_power_amplifier\" target=\"_blank\" rel=\"noopener\"\u003eAudio power amplifier\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the total power output of the AS21HPA Bluetooth amplifier?\u003c\/h4\u003e\n\u003cp\u003eA: The AS21HPA delivers a combined total of 1200W — specifically 300W per stereo channel (left and right) and 600W dedicated to the subwoofer channel, making it ideal for high-power home audio and professional audio setups.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the TPA3255 chip and why is it important?\u003c\/h4\u003e\n\u003cp\u003eA: The TPA3255 is a flagship Class-D digital amplifier chip from Texas Instruments. It is renowned for its high efficiency (up to 96%), extremely low harmonic distortion, and ability to drive high-power speaker loads cleanly — resulting in rich, detailed sound reproduction.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the AS21HPA support Bluetooth audio streaming?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the AS21HPA features built-in Bluetooth connectivity, allowing you to wirelessly stream audio from smartphones, tablets, laptops, and other Bluetooth-enabled devices with ease.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What types of speakers are compatible with this amplifier?\u003c\/h4\u003e\n\u003cp\u003eA: The AS21HPA is compatible with passive stereo speakers and a dedicated passive subwoofer cabinet. It is suitable for home theater speakers, bookshelf speakers, floor-standing speakers, and subwoofer enclosures within the appropriate impedance and power handling range.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the amplifier built to last?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The AS21HPA features a stainless steel housing for robust durability, and the Class-D design runs at high efficiency with low heat generation, extending the lifespan of the unit even during prolonged use.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the total power output of the AS21HPA Bluetooth amplifier?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The AS21HPA delivers a combined total of 1200W — specifically 300W per stereo channel (left and right) and 600W dedicated to the subwoofer channel, making it ideal for high-power home audio and professional audio setups.\"}}, {\"@type\": \"Question\", \"name\": \"What is the TPA3255 chip and why is it important?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The TPA3255 is a flagship Class-D digital amplifier chip from Texas Instruments. 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The AS21HPA features a stainless steel housing for robust durability, and the Class-D design runs at high efficiency with low heat generation, extending the lifespan of the unit even during prolonged use.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Gadgets \u0026 Audio\", \"item\": \"https:\/\/oasis-select.com\/collections\/gadgets-audio\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"AS21HPA 2.1 Channel Bluetooth Amplifier 300W×2+600W TPA3255\", \"item\": \"https:\/\/oasis-select.com\/products\/as21hpa-2-1-channel-bluetooth-digital-power-amplifier-300w-600w-tpa3255\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"All-in-one","offer_id":47744834764905,"sku":"14:350853#All-in-one","price":156.8,"currency_code":"USD","in_stock":true},{"title":"external","offer_id":47744834797673,"sku":"14:10#external","price":156.8,"currency_code":"USD","in_stock":true},{"title":"Shell integrated","offer_id":47744834830441,"sku":"14:200026864#Shell integrated","price":156.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/Sbc0cc7d0615a41b98d70b60aeb0077eaX.webp?v=1783027408","url":"https:\/\/oasis-select.com\/products\/as21hpa-2-1-channel-bluetooth-digital-power-amplifier-300w-600w-tpa3255","provider":"Oasis Select","version":"1.0","type":"link"}