{"product_id":"8-inch-under-seat-active-subwoofer","title":"8-Inch Under-Seat Subwoofer – Built-In Amplifier \u0026 Bass Controls","description":"\u003ch2\u003eAdd Bass Without a Large Separate Enclosure\u003c\/h2\u003e\n\u003cp\u003eAn 8-inch under-seat subwoofer brings a speaker and built-in amplifier together in a slim enclosure for a compatible car audio setup. With a listed 3-inch height, high- and low-level inputs and adjustable controls, this active bass box gives you a compact option to evaluate against the available space in your vehicle.\u003c\/p\u003e\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in amplifier:\u003c\/strong\u003e Combines amplification and the subwoofer in one unit; power and signal wiring are still required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlim enclosure:\u003c\/strong\u003e Listed product dimensions are 12.4 × 9.44 × 3 inches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable controls:\u003c\/strong\u003e The listing describes phase shift, bass boost and input gain adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput options:\u003c\/strong\u003e High- and low-level inputs for matching a compatible audio system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation accessories:\u003c\/strong\u003e Includes connecting wires, an English manual, brackets and screws.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBuild your next audio upgrade around the space and equipment you actually have. Have an installer check clearances, input connections and power requirements, then tune the bass to complement your existing speakers rather than relying on maximum output alone.\u003c\/p\u003e\n\u003ch2\u003eFit, Wiring and What Is Included\u003c\/h2\u003e\n\u003cp\u003eThe package lists one subwoofer, five matched connecting wires, one English manual and one set of installation brackets and screws. The 200W figure is specified as peak power, not continuous RMS output. Professional installation is recommended. Confirm electrical compatibility before purchasing and follow the manual for power, signal connections and adjustment.\u003c\/p\u003e\n\u003cp\u003eAllow clearance for seat movement and adequate ventilation. Secure the enclosure and wiring away from moving components and safety equipment. Keep volume at a level that allows awareness of surrounding traffic, and adjust controls only while parked.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eDoes it include an amplifier?\u003c\/h3\u003e\n\u003cp\u003eYes, the listing describes a built-in amplifier. Suitable power and signal connections are still required.\u003c\/p\u003e\n\u003ch3\u003eWhat size is the enclosure?\u003c\/h3\u003e\n\u003cp\u003e31.5 × 24 × 7.5 cm, or 12.4 × 9.44 × 3 inches.\u003c\/p\u003e\n\u003ch3\u003eIs 200W a continuous power rating?\u003c\/h3\u003e\n\u003cp\u003eThe detailed specifications label it as peak power. A continuous RMS rating is not provided.\u003c\/p\u003e\n\u003ch3\u003eWill it fit under every seat?\u003c\/h3\u003e\n\u003cp\u003eNo. Check the enclosure dimensions, seat movement, wiring route and ventilation space before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat comes in the package?\u003c\/h3\u003e\n\u003cp\u003eOne car subwoofer, five matched connecting wires, an English manual, and one set of installation brackets and screws.\u003c\/p\u003e\n\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eAudio Sensitivity\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003e91db\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eColor Name\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003eblack\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFrequency Range (Hz)\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003e30-100Hz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eImpedance\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003e4Ω\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eItem Size\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003e12.4*9.44*3in\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eItem Type\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003eSUBWOOFERS\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMaterial\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003eRubber, Aluminum Alloy, Stainless Steel\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOut Power\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003e200W\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSubwoofers Types\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003eEnclosed Subwoofer Systems\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003eMaterial: Rubber, Aluminum Alloy, Stainless Steel\u003c\/p\u003e\n\u003cp\u003eColor: Black\u003c\/p\u003e\n\u003cp\u003eStyle: Modern\u003c\/p\u003e\n\u003cp\u003eSurface Treatment: Baking Varnish\u003c\/p\u003e\n\u003cp\u003eAssembly Required: Yes\u003c\/p\u003e\n\u003cp\u003ePeak Power: 200W\u003c\/p\u003e\n\u003cp\u003eFrequency Response Range: 30-100Hz\u003c\/p\u003e\n\u003cp\u003eSensitivity: 91db\u003c\/p\u003e\n\u003cp\u003eImpedance: 4Ω\u003c\/p\u003e\n\u003cp\u003eSpeaker Diameter: 20cm\/8in\u003c\/p\u003e\n\u003cp\u003eProduct Size: 31.5*24*7.5cm\/12.4*9.44*3in\u003c\/p\u003e\n\u003cp\u003ePackage Size: 40*33*13cm\/15.74*13*5.12in\u003c\/p\u003e\n\u003ch3\u003ePackage Included\u003c\/h3\u003e\n\u003cp\u003e1*Car Subwoofer\u003c\/p\u003e\n\u003cp\u003e5*Matched Connecting Wires\u003c\/p\u003e\n\u003cp\u003e1*English Manual\u003c\/p\u003e\n\u003cp\u003e1 Set of Installation Brackets and Screws\u003c\/p\u003e\n\u003cp\u003eNet Weight: 8.60 lbs (3.9 kg)\u003c\/p\u003e\n\u003cp\u003eGross Weight: 9.70 lbs (4.4 kg)\u003c\/p\u003e\n\u003ch3\u003eUsage Notes\u003c\/h3\u003e\n\u003cp\u003eRead the manual and follow its precautions. Professional installation is recommended. Confirm vehicle compatibility, secure mounting and clearance for seat adjustment. Maintain ventilation during prolonged use; regularly check wiring and remove dust. The listing notes possible slight color differences and 1–3 cm manual measurement variation.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb9bab74c93a9449d86ed682f684424e74.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S97912425c6974c478bc7c4e5b33af47dG.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S9495bbf01bac4dc9b5cbb11db24e7ad7U.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Scc485e7fde024aa88ff85b3370d9f0a7E.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb3f2cf5cba8247a6b78c5e109488a574z.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S346da13654cf441fad8df8ea796a24baO.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S416c4f2ff4e94fb7892ba9909a2bce6ei.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1d2ffc19b6a24602a4d691f5503351adc.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S58115410501441e3ae93e7b93cd65530b.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa0d43fe0d2714476bdefbe9ae8aa4768t.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S5f453656af3542b4bb0478ee3f2ad711A.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S9e05f66451434d6c92b12128f5fbe929k.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb61bec7713e545eeb72af064c89a32b9f.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S5b87d6b4d3aa474f8679b62e6953b8dcK.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sdc8b56a4813642dd821c566be7929c42R.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S346914e38b6f4f89b8648951361895d78.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb9ee5e4c529d4fcf9e21761ec6fee7603.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S5153dfb902f94caaa74e65b7ad00b93f6.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sbdabed9197e54deabc4deeaf27b13c71V.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S5189aafefa5044b5b982af598a431852W.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S57307175cef443b28e56b8b5fd4750a4O.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S3a1e75306aa840ac8e3c6777ee457bf29.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8a2622486e734f9fb27b553db1f02d5cr.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sbe8754cb551f4e308bf31dff3631f2bc0.jpg\"\u003e\u003c\/p\u003e","brand":"Authority Asset Brand","offers":[{"title":"8\" \/ france","offer_id":67702518087924,"sku":"200007763:201336342;5:1954509310","price":131.99,"currency_code":"USD","in_stock":true},{"title":"8\" \/ Germany","offer_id":67702518153460,"sku":"200007763:201336101;5:1954509310","price":123.99,"currency_code":"USD","in_stock":true},{"title":"8\" \/ United States","offer_id":67702518218996,"sku":"200007763:201336106;5:1954509310","price":132.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/0564\/6836\/files\/S4d60b03dd2c142e4b58c917b6001019a9.webp?v=1791228294","url":"https:\/\/authorityassetbrand.com\/products\/8-inch-under-seat-active-subwoofer","provider":"Authority Asset Brand","version":"1.0","type":"link"}