{"product_id":"sonus-faber-gravis-i-powered-subwoofer-the-grid-hifi","title":"Sonus faber Gravis I Powered Subwoofer | The Grid HiFi","description":"\u003ch3 dir=\"auto\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Pursuit of Depth.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003eSonus faber Gravis I\u003c\/strong\u003e is the most compact powered subwoofer in the Gravis collection, designed to add deeper, more authoritative bass without overwhelming smaller listening spaces.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eWith a long-throw 8-inch woofer, a 150-watt RMS Class AB amplifier, and a sealed enclosure with down-firing driver, Gravis I is engineered to extend the low-frequency capabilities of a stereo or home theater system while maintaining the refined aesthetic Sonus faber is known for.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eIts compact footprint makes Gravis I an especially natural complement to the \u003cstrong\u003eSonus faber Lumina collection and smaller Sonetto bookshelf speakers\u003c\/strong\u003e, including Sonetto I and Sonetto II. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eCompact Size. Serious Bass.\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eA subwoofer doesn't need to dominate the room to make a significant difference.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eGravis I uses a \u003cstrong\u003e210 mm (8-inch) very-long-throw woofer\u003c\/strong\u003e with a treated paper cone and wide rubber surround. The down-firing configuration allows the driver to work with the floor and enclosure to produce low-frequency energy while keeping the cabinet visually clean.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe sealed-box design provides a controlled acoustic environment for the driver, while the integrated Class AB amplifier delivers \u003cstrong\u003e150 watts RMS and 250 watts peak power\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe result is a compact subwoofer designed to add depth and weight to music, movies, and television without requiring a large cabinet. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"auto\"\u003e8-Inch Very Long Throw Woofer\u003c\/h2\u003e\n\u003cdiv class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 not-first:mt-4\"\u003e\n\u003cdiv class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\"\u003e\n\u003cdiv class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"\u003e\n\u003cdiv\u003e\u003cimg alt=\"https:\/\/images.openai.com\/static-rsc-4\/M5932axwuZQK9vCblOnfLl8HQuXSRa_eHJHXohGa0vVQE8ncCCeBVNB1pEti-L-XY_EP2-xhFg1bgKrN3Dq7msJeA78sd_O1G4PkLJ763KbWXnFRjc1tIUfB1DqT_aGa5gscU0-KL33x4A11n7skam8xr_sQJzBIgthQKl1ZQxhDMUpB65qsAqGnUiA-oam5?purpose=fullsize\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/eVE4HJlvF7Gvl7e9pif82Tz4kPZ7CAPjJPgE0h8Sl9NdsY76NzDEFRuQHCLywGzY0cMlpWoDhRxqUdWN6LJIQebBkPjWyJCsX4HCZDj9tgLM8ci5-jx39W58bMCSjvt7ZQebxNsZg5hJ7yvj2485A2IHu_G4TT8Nj1tqf9dcSkM?purpose=inline\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"absolute end-2 top-2 z-10\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)]\"\u003e\n\u003cdiv class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"\u003e\n\u003cdiv\u003e\u003cimg alt=\"https:\/\/images.openai.com\/static-rsc-4\/ltk-XOerDfisiLM5N6uazYAziuc3jXNHUa3RBzCpSNcn3Mv10Pb-Y9-ZALC24xhvFE_tNCJAIB7sIgMb0_NoEdVeZgOjtRAP_jYTUGIjhbjdUx4amni-ceBKKU1vM8AOeWCOl-TM4GWAvybCQ7vNZc-4mLVJUP_JMkl33BMsDh3LZKX1lPaQNXyBUViNaNI4?purpose=fullsize\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/tZcYideH0Rlu34Mh-TL4Mwtb5gf1oQKt0kmJ4U0QGOMk32sgnq1XpZp4FOca-B0neP2S1F7A5HarWQSTx21ugh5C0nk8XStZ7c-zIOElXDUay8ga1XWOe9LXR0Skl9mQ2qtO7IcmrGdxyywyU-S2difs8A8C3k9uuf9E4FoSRJ4?purpose=inline\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"absolute end-2 top-2 z-10\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-e-xl\"\u003e\n\u003cdiv class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"\u003e\n\u003cdiv\u003e\u003cimg alt=\"https:\/\/images.openai.com\/static-rsc-4\/Np5UrSMTroSWJAkodJYAHvmhxKHa0A43v8dykXAw7QIH4Xuq2gHiqU-Wazc9Vr6pGDdC54fO9sDKQ-jukSoMfFhGl-9sfQJE6v4fVX4mEezNJOANzg-FR9poR0_SSOJGRADWDdjtPIOQnwftYkFcTEcqpf6yW6GjNE-TQxD4Sp7Wic1OEvgNuUfftK0fsY5T?purpose=fullsize\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/1ZfdtF4_pHdXs3PYh4jPwAAyRNuKJbHeA5R54a0INAjSnZKRNZyxiv0dYY2QzepU3EY2eU3yK9LXV_kqcZctMYlU8QO49_M_ZMbu8sGXRqpIhhuq_uM1mJyg6tnrbSeCkBk83mGYC89n6LPXbYbmufSPI7Pj93mF98efEYcKRXc?purpose=inline\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"absolute end-2 top-2 z-10\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp dir=\"auto\"\u003eAt the heart of Gravis I is a \u003cstrong\u003e210 mm \/ 8-inch very-long-throw woofer\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe treated paper cone and wide rubber surround are designed to allow substantial excursion while maintaining controlled movement.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe driver fires downward into the space beneath the cabinet, allowing Gravis I to produce substantial low-frequency output from a relatively compact enclosure.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eSonus faber specifies response beginning at \u003cstrong\u003e30 Hz at -6 dB\u003c\/strong\u003e, with the upper crossover frequency continuously adjustable according to the system and room. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eHigh-Linearity Class AB Amplification\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eGravis I incorporates its own dedicated amplifier, eliminating the need for an external power amplifier.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe integrated \u003cstrong\u003ehigh-linearity Class AB amplifier\u003c\/strong\u003e delivers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e150 W RMS\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e250 W peak\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eThe amplifier and driver were designed as an integrated system, allowing Sonus faber to optimize the relationship between power, enclosure volume, and driver performance. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eDesigned for Both Music and Home Theater\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eGravis I provides multiple connection options so it can be integrated into both stereo and home theater systems.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eA dedicated \u003cstrong\u003eLFE input\u003c\/strong\u003e makes it compatible with AV processors and home theater receivers, while a conventional line input provides a straightforward connection for stereo systems.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eFor systems where the subwoofer needs to blend directly with the main loudspeakers, the \u003cstrong\u003eHigh Level input uses a Neutrik 4-pole Speakon connection\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eIndependent Master and LFE volume controls allow separate calibration for music and home theater applications. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eFlexible Crossover Control\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThe crossover frequency is continuously adjustable from \u003cstrong\u003e30 Hz to 120 Hz\u003c\/strong\u003e, with a 24 dB\/octave slope.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eA \u003cstrong\u003e0°\/180° phase inversion switch\u003c\/strong\u003e provides additional flexibility when integrating the subwoofer with the main speakers and room.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eAn automatic power-on function can also be enabled or disabled. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eItalian Design in a Compact Form\u003c\/h2\u003e\n\u003cdiv class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 not-first:mt-4\"\u003e\n\u003cdiv class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\"\u003e\n\u003cdiv class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"\u003e\n\u003cdiv\u003e\u003cimg alt=\"https:\/\/images.openai.com\/static-rsc-4\/hDlxf6dohIUDmCPl8TqAuA9FhncbtlVztmDOow-0X7nVWQbgcKIFTRrLIYakoByyOYQ9kkblxnbODmZ-cu_dGpBtaXm5KyS-f2rPjah_1xXkJSjECyVN67pswHUSawO7LkgdlireKc7AoSfo29Z0exCwJBVGd6zFpLY_7SfDehK06b-BEfnpahnBKY2s0-73?purpose=fullsize\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/YcWUntiAqr4mHEHNHEq6RpJNniTAHlhEPGpLg7CQviBk-A4TtiXHsKQtMHtYBEYTpMcWEOKePSXXo5oQTdPSp7qOFzMMwCF0_S0Elh2qf1L8JG-mwFiM8XVnNenO4ACaEvSIKCYZnVgYLGFdIMJwyUnodgXNoROt82vlLbUifDk?purpose=inline\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"absolute end-2 top-2 z-10\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)]\"\u003e\n\u003cdiv class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"\u003e\n\u003cdiv\u003e\u003cimg alt=\"https:\/\/images.openai.com\/static-rsc-4\/3vi7brxbjU6EIVzX3_uk3IJZYEWGxii-OpGRR-aDj6KMqgy5dSVGXXki1z-PndtokvhOtty4SAMtPGQs_zofKQxn4uuYiEUZRYLd4Ql4rGioMNxOTzqZgWqUTcFke3-uz9Pp7dfK43zIhN9SAbIIlxhBDqzeuUrQgeSRAzIjXqXTgaIT3CDugF-PqqowUkIi?purpose=fullsize\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" 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class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/M7xQR8TxIoXtjSnbaFDodO9wS_oj1llUOYsKQtH1Og5lrkqIp2cIgNT45zIM80UKUnQ7IHNx9S_S5qAyKB0088j4mgTRIm2E9E958XIrr_Fy2Gn-PKuXTJ6wEZMrhjb08eQirJ32fBHvoglykOibVkHtKKDnzx00ttITT-RC2tk?purpose=inline\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"absolute end-2 top-2 z-10\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"pointer-events-none absolute inset-x-2 bottom-2 z-10 flex max-w-[calc(100%-1rem)] flex-wrap items-end justify-end gap-1.5\"\u003e\n\u003cdiv class=\"shrink-0\"\u003e\n\u003cdiv class=\"flex items-center gap-1 rounded-full px-2 py-1.5 text-white backdrop-blur-md backdrop-brightness-75\"\u003e\n\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" class=\"h-4 w-4\"\u003e\u003cuse href=\"\/cdn\/assets\/sprites-core-406f0b1a.svg#411393\" fill=\"currentColor\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003cspan class=\"text-xs font-semibold\"\u003e5\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp dir=\"auto\"\u003eGravis I doesn't look like a conventional subwoofer.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eIts compact square cabinet incorporates Sonus faber's signature combination of natural materials and refined detailing. The top is finished in leather and embossed with the Sonus faber logo, while the cabinet is available in four distinct finishes.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe result is a subwoofer that can sit comfortably alongside Sonus faber loudspeakers without looking like an afterthought.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eAt just \u003cstrong\u003e13.1 × 11.2 × 12.4 inches\u003c\/strong\u003e, Gravis I is easy to integrate into smaller listening spaces while still providing meaningful low-frequency extension. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1 dir=\"auto\"\u003eAvailable Finishes\u003c\/h1\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eGravis I is available in four finishes:\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"no-scrollbar flex min-h-36 flex-nowrap 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font-semibold\"\u003e4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 dir=\"auto\"\u003eWalnut Wood\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eNatural walnut tones provide a warm, traditional Sonus faber appearance.\u003c\/p\u003e\n\u003cdiv class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 not-first:mt-4\"\u003e\n\u003cdiv class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\"\u003e\n\u003cdiv class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"\u003e\n\u003cdiv\u003e\u003cimg 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w-full\"\u003e\n\u003cdiv\u003e\u003cimg alt=\"https:\/\/images.openai.com\/static-rsc-4\/Rx4s77AWxZ_pIxdzKNvVCHZOQi82Ay8UyH3Q94R-E1rMpeq-LKJVoLM9W_-N7x6QWwX-699UKe2qVXTTZIAbtp3wFRuQbogUdwmt53_Wn2Q6hrKPQ4BHg4Kt4BLxyS2uyOw2IaQE5Z1hBrAMjTncraE_kiv_NQrPjTI_PoTajK2ddBPK87NSCf5GUf1-dY5A?purpose=fullsize\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/SXyGj5FboS7Ewa_-Pc4CsWFhusXKtsLkY1aGo1zbESrgspPi86Y7QU3tqfMf2TLGIKbtPifOnRALWcWhXPCTVATUDdOzq0cRWytvnmnpnSNIWYymfOCS7hr6eaXH9aX95b1_BWOkIfYejCvic05VVe4F9PgPqTKn0lRTWHKyVYo?purpose=inline\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"absolute end-2 top-2 z-10\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 dir=\"auto\"\u003eWenge Wood\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eA darker wood finish with a sophisticated, understated appearance.\u003c\/p\u003e\n\u003cdiv class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 not-first:mt-4\"\u003e\n\u003cdiv class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\"\u003e\n\u003cdiv class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"\u003e\n\u003cdiv\u003e\u003cimg alt=\"https:\/\/images.openai.com\/static-rsc-4\/9tyyRI1nOjGXrQfyAQI0DDDasRWyEYlpg7ljGPieT1TwFXLI9iY2IepnRIJO2vHaHXD6hyzUQxhLBYqOuVKdvwsN_BR-e5AsK9C6am0FAgC_6o3nB5krDK0V8azWy2ePZW9eZrvz_IZc3Xr0jSRtEgfvsXEl_rY16FDjBK4U9PukDnZRaAa5rOmyGYYT2eCM?purpose=fullsize\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/xeCN-aeLjAaOupv5pgsGFbURqL-HsC1SCOafhV3RwzPji5EdOq-LeNK5Q-oomFB8NZ5L1Ic9TgWZHkK8aDasoITbKdL8Tw_gxso5yexbho9NZzrelXh3W7pGQsZ3zis1twTUJsSC48cw4a9EendJCVV6h8AKb6iVdpKKSX6iZ2E?purpose=inline\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"absolute end-2 top-2 z-10\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)]\"\u003e\n\u003cdiv class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"\u003e\n\u003cdiv\u003e\u003cimg alt=\"https:\/\/images.openai.com\/static-rsc-4\/aMsMRffqFV5cW_niq1B8tWQe9i1IhaJw9dT8bKX6ktuXZCjihgZumFRKd26yBwNEtWqURV5fzcGERm7v7tWIwB1yUfJAudSDfiE2pdLStDwJ_J23Cl1Xm8_DVULu1YuDv-MAVADlRkQ8dGehw-52gh2BYsAbDIRmfVw4GALAhXTp-hbhvRkaYgj6yhHo9e-I?purpose=fullsize\" class=\"bg-token-main-surface-tertiary m-0 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class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/va86dcmI3xsQkK4zGcZqYGqM3UFt8NBO3mhG4nSLxgSrkNSW7hwVyOTw1lO_GBKwQn6yKC8ggOnaD_A93CkM1RQ-PIKwBP78jw_xb5CLRg26Mhz1r2qJqhlLy5UfxQqWwu4ES-ZEanAviYXBYP1JD7EPv0q6GfJWDvAVmrN41n0?purpose=inline\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"absolute end-2 top-2 z-10\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"pointer-events-none absolute inset-x-2 bottom-2 z-10 flex max-w-[calc(100%-1rem)] flex-wrap items-end justify-end gap-1.5\"\u003e\n\u003cdiv class=\"shrink-0\"\u003e\n\u003cdiv class=\"flex items-center gap-1 rounded-full px-2 py-1.5 text-white backdrop-blur-md backdrop-brightness-75\"\u003e\n\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" class=\"h-4 w-4\"\u003e\u003cuse href=\"\/cdn\/assets\/sprites-core-406f0b1a.svg#411393\" fill=\"currentColor\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003cspan class=\"text-xs font-semibold\"\u003e4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 dir=\"auto\"\u003eMatte White Lacquer\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eA clean, contemporary finish for modern interiors.\u003c\/p\u003e\n\u003cdiv class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 not-first:mt-4\"\u003e\n\u003cdiv class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\"\u003e\n\u003cdiv class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"\u003e\n\u003cdiv\u003e\u003cimg alt=\"https:\/\/images.openai.com\/static-rsc-4\/JDALz5EG2_QQ8yROAzEt5Q7FfeKe1uahx5osV4MwO8tK8kATTUWgIZ_kOz37lM8P1QCjnSqh-2oaqfnmoUIVqPZmfKFumWsrWtZCosniBWf7-YfuJI3qyDU9bhUvbCq5Oiu2JFJUWfJ3MO-x6PW59UF5jdILegnYMbYEswWL7kfIJqogiw60MM5OpH357jk_?purpose=fullsize\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/wmpuP5lCcihJ-_HQDmHaW_Xm9EwYntWimXv8mVx2lMLndZO-wusdEu8rEPXNTVNaZMiw6vXp-oXbhD2LjRhCpcZCjxZV1p2JhE-R8ywvq2Up04aLE1M9iDk5rIpOMAkg5DhWaNGKJm9Px7UJC0tDDsivt3sPt75aKQ0Vy_CeSMw?purpose=inline\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"absolute end-2 top-2 z-10\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)]\"\u003e\n\u003cdiv class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"\u003e\n\u003cdiv\u003e\u003cimg alt=\"https:\/\/images.openai.com\/static-rsc-4\/v93914mA3o1AUJ60M85iW8ksTjOrcWVUGa6eUYZbkrxMhr5bBCDLvMHU82VoD9QI_XUTY3ZjD_8vMW8k_tyV1TsMWhK3hdmVIXAnzkL47FjEgcsgkoIjivmuTjZjah7kcccro0qzrWXzTzQFkwuTmXXmZ6CnN3crUt03G0gV9DK0MUBy3Hs0NKfjVH3r5bM6?purpose=fullsize\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/u2RYZbwiI33LCSX3UJJ79cJKffADjfgqKbZ40ta9dbmDTXcl82dvmLe24imKRfapt1WWyyRN1b4fzjE_fyiplmDu1LNeHcgJP0WnMTDsq1L72IIjKvO1tYQu9krq_qVmUmKLq3mKrH9pNeuBZwTpJoPEEY6Ry6lJzirr6x2-R4c?purpose=inline\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"absolute end-2 top-2 z-10\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-e-xl\"\u003e\n\u003cdiv class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"\u003e\n\u003cdiv\u003e\u003cimg alt=\"https:\/\/images.openai.com\/static-rsc-4\/Np5UrSMTroSWJAkodJYAHvmhxKHa0A43v8dykXAw7QIH4Xuq2gHiqU-Wazc9Vr6pGDdC54fO9sDKQ-jukSoMfFhGl-9sfQJE6v4fVX4mEezNJOANzg-FR9poR0_SSOJGRADWDdjtPIOQnwftYkFcTEcqpf6yW6GjNE-TQxD4Sp7Wic1OEvgNuUfftK0fsY5T?purpose=fullsize\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/images.openai.com\/static-rsc-4\/1ZfdtF4_pHdXs3PYh4jPwAAyRNuKJbHeA5R54a0INAjSnZKRNZyxiv0dYY2QzepU3EY2eU3yK9LXV_kqcZctMYlU8QO49_M_ZMbu8sGXRqpIhhuq_uM1mJyg6tnrbSeCkBk83mGYC89n6LPXbYbmufSPI7Pj93mF98efEYcKRXc?purpose=inline\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"absolute end-2 top-2 z-10\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 dir=\"auto\"\u003ePiano Black Lacquer\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eA deep gloss-black finish for a more dramatic presentation.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eRecommended Shopify finish variants:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWalnut Wood\u003c\/li\u003e\n\u003cli\u003eWenge Wood\u003c\/li\u003e\n\u003cli\u003eMatte White Lacquer\u003c\/li\u003e\n\u003cli\u003ePiano Black Lacquer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMost compact Gravis subwoofer\u003c\/strong\u003e in the Sonus faber collection.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e8-inch \/ 210 mm very-long-throw woofer.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eTreated paper cone with wide rubber surround.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e150 W RMS \/ 250 W peak Class AB amplifier.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eSealed-box loading.\u003c\/li\u003e\n\u003cli\u003eDown-firing woofer configuration.\u003c\/li\u003e\n\u003cli\u003eFrequency response from \u003cstrong\u003e30 Hz at -6 dB\u003c\/strong\u003e, with adjustable upper crossover.\u003c\/li\u003e\n\u003cli\u003eContinuously adjustable crossover from \u003cstrong\u003e30–120 Hz\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e24 dB\/octave crossover slope.\u003c\/li\u003e\n\u003cli\u003e0°\/180° phase inversion.\u003c\/li\u003e\n\u003cli\u003eIndependent Master and LFE volume controls.\u003c\/li\u003e\n\u003cli\u003eLFE and Line RCA inputs.\u003c\/li\u003e\n\u003cli\u003eHigh Level Neutrik 4-pole Speakon input.\u003c\/li\u003e\n\u003cli\u003eSelectable automatic power-on function.\u003c\/li\u003e\n\u003cli\u003eCompact 13.1-inch-tall cabinet.\u003c\/li\u003e\n\u003cli\u003eLeather top with embossed Sonus faber logo.\u003c\/li\u003e\n\u003cli\u003eFour available finishes.\u003c\/li\u003e\n\u003cli\u003eDesigned to complement Sonus faber Lumina and smaller Sonetto speakers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv dir=\"auto\" class=\"group TyagGW_tableContainer TyagGW_tableContainerWithTableOfContents\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable dir=\"auto\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eSonus faber Gravis I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003ePowered active subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eSealed box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver\u003c\/td\u003e\n\u003ctd\u003e210 mm \/ 8-inch very-long-throw woofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eTreated paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurround\u003c\/td\u003e\n\u003ctd\u003eWide rubber surround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Orientation\u003c\/td\u003e\n\u003ctd\u003eDown-firing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier\u003c\/td\u003e\n\u003ctd\u003eHigh-linearity Class AB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Power\u003c\/td\u003e\n\u003ctd\u003e150 W RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Power\u003c\/td\u003e\n\u003ctd\u003e250 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e30 Hz to Fc, -6 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrossover Frequency\u003c\/td\u003e\n\u003ctd\u003eContinuously adjustable 30–120 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrossover Slope\u003c\/td\u003e\n\u003ctd\u003e24 dB\/octave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase\u003c\/td\u003e\n\u003ctd\u003e0° \/ 180°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003eLFE RCA, Line RCA, High Level Neutrik 4-pole Speakon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Controls\u003c\/td\u003e\n\u003ctd\u003eIndependent Master and LFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuto Power\u003c\/td\u003e\n\u003ctd\u003eOn\/Off selectable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDecoupling\u003c\/td\u003e\n\u003ctd\u003eRubber pad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions H × W × D\u003c\/td\u003e\n\u003ctd\u003e334 × 286 × 316 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions H × W × D\u003c\/td\u003e\n\u003ctd\u003e13.1 × 11.2 × 12.4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e14 kg \/ 30.9 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCabinet\u003c\/td\u003e\n\u003ctd\u003eSquared shape\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinishes\u003c\/td\u003e\n\u003ctd\u003eWalnut Wood, Wenge Wood, Matte White Lacquer, Piano Black Lacquer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop\u003c\/td\u003e\n\u003ctd\u003eLeather with embossed Sonus faber logo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eFactory-selected 120V\/60Hz or 230V\/50Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp dir=\"auto\"\u003eSpecifications are based on Sonus faber's current official Gravis I technical specifications. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eAdd Depth to Your System at The Grid HiFi\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003eGravis I\u003c\/strong\u003e is a natural choice when you want to add deeper bass to a compact Sonus faber system without introducing a large subwoofer cabinet into the room.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eAt \u003cstrong\u003eThe Grid HiFi in Houston\u003c\/strong\u003e, we can help you determine the right crossover point, placement, and connection method for your system—whether you're pairing Gravis I with Sonetto bookshelf speakers, Lumina, or another compatible stereo or home theater setup.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eContact The Grid HiFi to explore Sonus faber Gravis I and take your system deeper.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Sonus faber","offers":[{"title":"Black","offer_id":55007907610961,"sku":null,"price":1100.0,"currency_code":"USD","in_stock":true},{"title":"Walnut","offer_id":55007907643729,"sku":null,"price":1100.0,"currency_code":"USD","in_stock":true},{"title":"Wenge","offer_id":55007907676497,"sku":null,"price":1100.0,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":55007907709265,"sku":null,"price":1100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1047\/7178\/0945\/files\/1920x1080_68.webp?v=1789773926","url":"https:\/\/gridhifi.com\/products\/sonus-faber-gravis-i-powered-subwoofer-the-grid-hifi","provider":"The Grid","version":"1.0","type":"link"}