{"product_id":"sonus-faber-gravis-iii","title":"Gravis III","description":"\u003cdiv class=\"sf-editorial\"\u003e\n\u003csection class=\"sf-section sf-tb sf-lt\"\u003e\u003cdiv class=\"sf-tb__i\"\u003e\n\u003ch2 class=\"sf-h\"\u003eTHE ULTIMATE DEPTH\u003c\/h2\u003e\n\u003cp\u003eExemplifying unmatched power and elegance, the Gravis III active subwoofer is meticulously crafted to deliver striking bass performance. It seamlessly harmonizes with various sound systems and shares both an acoustic and visual affinity with the Sonus faber Olympica Nova collection.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003cdiv class=\"sf-fi sf-lt\"\u003e\u003cimg src=\"https:\/\/a.storyblok.com\/f\/259299\/2880x1620\/e19ab7411f\/gravis-iii-full-image-d-1.jpg\" alt=\"Sonus faber Gravis III subwoofer in walnut wood, complementing Olympica Nova speakers in a home audio setup with a TV.\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003csection class=\"sf-section sf-tb sf-lt\"\u003e\u003cdiv class=\"sf-tb__i\"\u003e\n\u003ch2 class=\"sf-h\"\u003eICONIC SONUS FABER DESIGN\u003c\/h2\u003e\n\u003cp\u003eEach subwoofer boasts an artisan-crafted wooden or lacquer top, enhancing its aesthetic allure. With its sleek, unembellished body, the design radiates a sense of purity and sophistication, complemented by Sonus faber’s signature leather finish on the sides.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003cdiv class=\"sf-fi sf-lt\"\u003e\u003cimg src=\"https:\/\/a.storyblok.com\/f\/259299\/2496x1404\/5e65d9c06f\/gravis-iii-full-image-d2.jpg\" alt=\"Close-up of the intricate black leather details on a Sonus faber Gravis III subwoofer, showcasing the craftsmanship.\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003csection class=\"sf-section sf-shi sf-dk\"\u003e\n  \u003cdiv class=\"sf-shi__img\"\u003e\u003cimg src=\"https:\/\/a.storyblok.com\/f\/259299\/2560x2560\/4f2d9485f7\/split-banner-gravis-iii-tech-specs-highlights.jpg\" alt=\"Close-up view of a Sonus faber Gravis III subwoofer in piano black lacquer with intricate black leather finishes.\" loading=\"lazy\"\u003e\u003c\/div\u003e\n  \u003cdiv class=\"sf-shi__bd\"\u003e\n\u003ch2 class=\"sf-h\"\u003eGravis III Specs Highlights\u003c\/h2\u003e\n\u003cdiv class=\"sf-shi__row\"\u003e\n\u003cspan\u003eSYSTEM\u003c\/span\u003e\u003cstrong\u003eSealed box loading, single driver, active subwoofer\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sf-shi__row\"\u003e\n\u003cspan\u003eSPEAKERS\u003c\/span\u003e\u003cstrong\u003eSw: Ø 250 mm, long throw, sandwich honeycombcone, wide rubber surround LF unit\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sf-shi__row\"\u003e\n\u003cspan\u003eAMPLIFICATION\u003c\/span\u003e\u003cstrong\u003eHigh performance Class AB600 W rms, 900 W (peak)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"sf-section sf-ht sf-lt\"\u003e\u003cdiv class=\"sf-ht__i\"\u003e\u003ch2 class=\"sf-h\"\u003eNATURAL SOUND WITH POWER \u0026amp; DEPTH\u003c\/h2\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003cdiv class=\"sf-fi sf-lt\"\u003e\u003cimg src=\"https:\/\/a.storyblok.com\/f\/259299\/3840x2160\/0f98291e9a\/gravis-iii-full-image-d1.jpg\" alt=\"\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003csection class=\"sf-section sf-tb sf-lt\"\u003e\u003cdiv class=\"sf-tb__i\"\u003e\n\u003ch2 class=\"sf-h\"\u003eEXPERTISE AND ARTISANSHIP\u003c\/h2\u003e\n\u003cp\u003eGravis melds decades of Sonus faber design and audio expertise into a contemporary package, enhancing the depth and clarity of our Natural Sound signature in a seamlessly integrated design.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"sf-section sf-ht sf-dk\"\u003e\u003cdiv class=\"sf-ht__i\"\u003e\u003ch2 class=\"sf-h\"\u003eThe Pursuit of Depth\u003c\/h2\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003cdetails id=\"specifications\" class=\"sf-acc sf-dk\"\u003e\n  \u003csummary\u003eSpecifications\u003c\/summary\u003e\n  \u003cdiv class=\"sf-acc__b\"\u003e\u003cdl\u003e\n\u003cdiv class=\"sf-sr\"\u003e\n\u003cdt\u003eSystem\u003c\/dt\u003e\n\u003cdd\u003eSealed box loading, single driver, active subwoofer\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sf-sr\"\u003e\n\u003cdt\u003eLoudspeakers\u003c\/dt\u003e\n\u003cdd\u003eSw: Ø 250 mm, long throw, sandwich honeycombcone, wide rubber surround LF unit\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sf-sr\"\u003e\n\u003cdt\u003eFrequency response\u003c\/dt\u003e\n\u003cdd\u003e@ - 6dB acoustic Linkwitz 4th order roll-on, default settingfrom 25 Hz to Fc (user continuously adjustable)\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sf-sr\"\u003e\n\u003cdt\u003eOn board amplifiers\u003c\/dt\u003e\n\u003cdd\u003eHigh performance Class AB600 W rms, 900 W (peak)\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sf-sr\"\u003e\n\u003cdt\u003ePower consumption\u003c\/dt\u003e\n\u003cdd\u003e\u0026lt; 2 W (Stand-by)700 W (Rated power)\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sf-sr\"\u003e\n\u003cdt\u003eAudio Input \/ Output\u003c\/dt\u003e\n\u003cdd\u003e2x LINE (unbalanced), Left and Right\/LFE - RCA plugsLINE (balanced) - XLR plugHIGH LEVEL - Neutrik 4-pole Speakon© plug\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sf-sr\"\u003e\n\u003cdt\u003eMains Input Voltage\u003c\/dt\u003e\n\u003cdd\u003e100 - 120 Vac – 50 \/ 60 Hz or 220 - 240 Vac – 50 \/ 60 HzFactory selected\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sf-sr\"\u003e\n\u003cdt\u003eDecoupling Systems\u003c\/dt\u003e\n\u003cdd\u003eRubber pad\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sf-sr\"\u003e\n\u003cdt\u003eProduct dimensions (HxWxD)\u003c\/dt\u003e\n\u003cdd\u003e415 x 400 x 495 mm \/ unit16.3 x 15.7 x 19.5 in \/ unit\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sf-sr\"\u003e\n\u003cdt\u003eDimensions with packaging (HxWxD)\u003c\/dt\u003e\n\u003cdd\u003e540 x 590 x 510 mm \/ unit21.3 x 23.2 x 20.1 in \/ unit\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sf-sr\"\u003e\n\u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e26,7 Kg \/ unit58.8 lb \/ unit\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sf-sr\"\u003e\n\u003cdt\u003ePackaging weight\u003c\/dt\u003e\n\u003cdd\u003e38 Kg \/ unit83.8 lb \/ unit\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sf-sr\"\u003e\n\u003cdt\u003eCabinet\u003c\/dt\u003e\n\u003cdd\u003eSquared shapeSemi gloss\/ high gloss woodBlack leatherAluminum\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sf-sr\"\u003e\n\u003cdt\u003eFuse\u003c\/dt\u003e\n\u003cdd\u003eT6.3A L250V (100 -120 Vac – 50\/60 Hz)T3.15A L250V (220 -240 Vac – 50\/60 Hz)\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sf-sr\"\u003e\n\u003cdt\u003eControls\u003c\/dt\u003e\n\u003cdd\u003eDirect access Master volume.APP control featuring: 4 selectable presets, volume, continuously adjustable crossover frequency (40 to 150 Hz , filtering slope 24 dB\/oct); continuously adjustable signal phase (0° to 360°); up to 8 parametric EQ filters, delay (1 to 20 ms); automatic room calibration; selectable threshold auto power on\/off\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003c\/dl\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails id=\"downloads\" class=\"sf-acc sf-dk\"\u003e\n  \u003csummary\u003eDownloads \u0026amp; Documentation\u003c\/summary\u003e\n  \u003cul class=\"sf-dl\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/a.storyblok.com\/f\/259299\/x\/7cca745f70\/low-res_sf_owners_gravis-collection_a5.pdf\"\u003eOwner's Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/a.storyblok.com\/f\/259299\/x\/077937aed5\/gravis_appsubcontrol_depliant-a5.pdf\"\u003eQuick Start Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/a.storyblok.com\/f\/259299\/x\/10990b0c33\/gravis-iii-v-vi-firmware-upgrade_2025.zip\"\u003eFirmware Update\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n\/* Reset theme interference — .rte adds margin-block to img\/video which breaks layout *\/\n.sf-editorial :is(img,video){margin-block:0!important;margin:0!important}\n.sf-editorial{font-family:inherit;color:inherit;line-height:inherit;width:100%}\n.sf-section{width:100%}\n.sf-lt{background:#F5F3EF;color:#1A1A1A}\n.sf-dk{background:#141414;color:#F0EDE8}\n\/* !important required — Shopify theme selectors have higher specificity *\/\n.sf-h{font-size:clamp(1.05rem,2.4vw,1.65rem);font-weight:700;text-transform:uppercase;letter-spacing:.07em;margin:0 0 1.1rem;line-height:1.1}\n.sf-lt .sf-h{color:#1A1A1A!important}\n.sf-dk .sf-h,.sf-dk h1,.sf-dk h2,.sf-dk h3,.sf-dk h4{color:#F0EDE8!important}\n.sf-fb .sf-h,.sf-fb h1,.sf-fb h2,.sf-fb h3,.sf-fb h4,.sf-fb p{color:#fff!important}\n.sf-section p{margin:0 0 .9rem;opacity:.78;line-height:1.65;font-size:.93em}\n.sf-section 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.sf-acc__b dl{grid-template-columns:1fr}\n  .sf-gal__g{grid-template-columns:1fr}\n  .sf-tb{padding:3rem 1.5rem}\n}\n\u003c\/style\u003e","brand":"Sonus faber","offers":[{"title":"Default Title","offer_id":54170301464913,"sku":"GRAVIS-III","price":3000.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1047\/7178\/0945\/files\/gravis-iii-hero-d-m-2.jpg?v=1782778230","url":"https:\/\/gridhifi.com\/products\/sonus-faber-gravis-iii","provider":"The Grid","version":"1.0","type":"link"}