{"product_id":"dayton-audio-spa300-d-300w-class-d-subwoofer-plate-amplifier","title":"Dayton Audio SPA300-D 300W Class-D Subwoofer Plate Amplifier","description":"\u003cp\u003eMeet the Dayton Audio SPA300-D, a compact plate amplifier that brings powerful bass to your setup without adding bulk. With 300W RMS into 4 ohms and a peak of 600W, this module is built to deliver clean, dynamic low end when paired with a compatible subwoofer or integrated enclosure.\u003c\/p\u003e\n\u003cp\u003eDesigned around efficient Class-D amplification, the SPA300-D minimizes size and weight while maximizing power delivery. The result is a more compact footprint compared to traditional amplifier designs, making it suitable for AV racks, furniture setups, or custom installations where space matters.\u003c\/p\u003e\n\u003ch3\u003ePower and efficiency\u003c\/h3\u003e\n\u003cp\u003eTwo key strengths are at the core of this design. First, the high power is delivered with a clear, controlled bass response. Second, the Class-D architecture reduces heat and allows a smaller, lighter chassis while still providing solid headroom for dynamic material.\u003c\/p\u003e\n\u003ch3\u003eFlexible connectivity and sound shaping\u003c\/h3\u003e\n\u003cp\u003eTwo RCA inputs give you straightforward options to pair this amplifier with receivers, audio interfaces, turntables with line outputs, or other sources. The device includes adjustable gain, a selectable crossover point, and a phase flip to help you align the sub with your main speakers and room acoustics. Such controls enable you to tailor the bass response to your space without swapping components.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustomizable gain lets you dial in the sub level for balance\u003c\/li\u003e\n\u003cli\u003eVariable crossover point helps blend the sub with satellites or floorstanders\u003c\/li\u003e\n\u003cli\u003ePhase switch supports smoother integration with existing speakers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePower efficiency and convenience are part of the design. The SPA300-D features an Auto On\/Off function that senses input and powers down when idle, which can help reduce standby power consumption in home setups.\u003c\/p\u003e\n\u003ch3\u003ePractical uses and placement tips\u003c\/h3\u003e\n\u003cp\u003ePossible uses include upgrading a home theater with deeper movie LFE, enhancing a stereo system, or equipping a compact studio or gaming rig with controlled bass when you want to feel the impact without overwhelming the room. The combination of high power, adaptable controls, and a small footprint makes it a versatile option for DIY installations, small living spaces, or setups where you need to preserve shelf space.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHome theater bass extension for immersive listening\u003c\/li\u003e\n\u003cli\u003eCompact stereo or multimedia room setups with controlled low end\u003c\/li\u003e\n\u003cli\u003eDIY subwoofer builds or modular audio rigs with flexible power\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn terms of installation, the SPA300-D is designed to slot into existing enclosures or racks with compatible mounting, minimizing extra cables or adapters. For best results, pair it with a suitable subwoofer and use the built in tuning controls to stage a balanced, dynamic soundstage.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the SPA300-D best used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A compact, high-power plate amplifier that drives subwoofers with 300W RMS at 4 ohms and up to 600W peak, in a space-saving Class-D design.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I connect and tune the SPA300-D?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Connect via 2 x RCA inputs; adjust gain, crossover, and phase to suit your room, then enable Auto On\/Off.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Dayton Audio","offers":[{"title":"Default Title","offer_id":48407435870365,"sku":"B09SJMHH9R","price":248.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/dayton-audio-spa300-d-front-panel.jpg?v=1781156431","url":"https:\/\/nexoltic.com\/products\/dayton-audio-spa300-d-300w-class-d-subwoofer-plate-amplifier","provider":"Nexoltic","version":"1.0","type":"link"}