{"product_id":"theory-audio-sb75-soundbar","title":"Theory sb75 Three-Channel Soundbar for 75\" TVs | The Grid","description":"\u003ch1\u003eTheory Audio Design sb75 High-Output Three-Channel Soundbar\u003c\/h1\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Theory Audio Design sb75 delivers the power, clarity and dynamics of a dedicated home theater system in a sleek architectural soundbar designed to complement 75-inch televisions. Featuring six 5-inch carbon-fiber woofers, three 1.4-inch compression drivers and three independently ported enclosures, the sb75 provides true left, center and right channel reproduction without the visual footprint of conventional speakers.\u003c\/p\u003e\n\u003cp\u003eUnlike typical powered soundbars, the sb75 is a passive, high-performance loudspeaker system designed to operate with three channels of Theory amplification and model-specific DSP processing. Its extended bass response, wide dispersion and substantial dynamic capability make it suitable for luxury living rooms, dedicated media rooms and custom home theater installations. \u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/www.google.com\/s2\/favicons?domain=https:\/\/www.theoryprofessional.com\u0026amp;sz=32\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eTheory Professional\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eThree Independent Channels for Cinematic Sound\u003c\/h2\u003e\n\u003cp\u003eThe sb75 incorporates three separate ported enclosures, each housing two 5-inch carbon-fiber low-frequency drivers and a 1.4-inch Advanced Polymer compression driver. This configuration provides dedicated left, center and right channels, delivering stereo separation, clear dialogue and the dynamic range required for demanding movie soundtracks.\u003c\/p\u003e\n\u003cp\u003eIts ported design extends bass response to 54 Hz (-6 dB), providing substantial low-frequency performance from a cabinet measuring just 3.8 inches deep. Paired with compatible Theory subwoofers and surround speakers, the sb75 can serve as the front soundstage of a complete multichannel home theater.\u003c\/p\u003e\n\u003ch2\u003eHigh-Output Performance and Wide Dispersion\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eCombined maximum output\u003c\/p\u003e\n\u003ch1\u003e124+ dB\u003c\/h1\u003e\n\u003cspan\u003eAll three channels driven\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eHorizontal and vertical coverage\u003c\/p\u003e\n\u003ch1\u003e125°\u003c\/h1\u003e\n\u003cspan\u003eConical dispersion\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eFrequency response (-6 dB)\u003c\/p\u003e\n\u003ch1\u003e54 Hz–23 kHz\u003c\/h1\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eContinuous power handling\u003c\/p\u003e\n\u003ch1\u003e400 W\u003c\/h1\u003e\n\u003cspan\u003ePer channel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan\u003eManufacturer-published specifications. \u003c\/span\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/www.google.com\/s2\/favicons?domain=https:\/\/www.theoryprofessional.com\u0026amp;sz=32\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eTheory Professional\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eWith a maximum output of 117 dB SPL per channel at one meter and more than 124 dB with all three channels operating, the sb75 offers substantial headroom for cinematic soundtracks and high-resolution music.\u003c\/p\u003e\n\u003cp\u003eIts 125-degree conical dispersion helps maintain consistent tonal balance across wide seating arrangements, making it well suited to larger living rooms and dedicated media spaces.\u003c\/p\u003e\n\u003ch2\u003eArchitectural Design for 75-Inch Displays\u003c\/h2\u003e\n\u003cp\u003eMeasuring 66 inches wide, the sb75 is proportioned to match the width of a typical 75-inch television, creating a cohesive appearance in premium entertainment installations.\u003c\/p\u003e\n\u003cp\u003eIts powder-coated and anodized aluminum enclosure provides a rigid foundation for the six woofers and three compression drivers. A black fabric grille conceals the driver array, maintaining a clean architectural aesthetic.\u003c\/p\u003e\n\u003cp\u003eThe slim 3.8-inch cabinet can be installed directly against a wall using the included Theory Z-Clip brackets, resulting in a total installed depth of approximately 3.93 inches. An optional sb-STAND accessory allows placement on entertainment consoles, tabletops and other suitable flat surfaces.\u003c\/p\u003e\n\u003ch2\u003eDedicated Theory Amplification and DSP\u003c\/h2\u003e\n\u003cp\u003eThe sb75 requires three channels of compatible Theory loudspeaker controller amplification with model-specific Theory-certified DSP processing.\u003c\/p\u003e\n\u003cp\u003eEach of its three channels operates independently, allowing the controller to apply the appropriate equalization, crossover management and loudspeaker protection.\u003c\/p\u003e\n\u003cp\u003eThis architecture also allows the sb75 to be integrated into larger surround sound systems using compatible Theory architectural speakers and subwoofers.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cp\u003eSpecification\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth\u003e\n\u003cp\u003eDetails\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eSpeaker type\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eThree-channel passive soundbar\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eDesigned for\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e75-inch televisions\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eEnclosure configuration\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eThree independent ported enclosures\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eLow-frequency drivers\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eSix 5-inch carbon-fiber woofers\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eHigh-frequency drivers\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eThree 1.4-inch Advanced Polymer compression drivers\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eFrequency response (-6 dB)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e54 Hz–23 kHz\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eFrequency response (-10 dB)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e46 Hz–24 kHz\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eCoverage\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e125° conical\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eExtended coverage\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e160° conical (-12 dB at 10 kHz)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eLF sensitivity\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e94 dB SPL \/ 2.83V \/ 1m\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eHF sensitivity\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e108 dB SPL \/ 2.83V \/ 1m\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eNominal impedance\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e4 ohms per channel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eAES power handling\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e200W per channel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eContinuous power handling\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e400W per channel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003ePeak power handling\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e800W per channel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eMinimum recommended power\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e50W RMS per channel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eMaximum output\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e117 dB SPL at 1m per channel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eCombined maximum output\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eGreater than 124 dB SPL\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eEnclosure\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003ePowder-coated and anodized aluminum\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eGrille\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eBlack fabric\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eConnections\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eTwin spring-loaded push terminals\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eMounting\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eDual VersaSlot T-slots with four M5 captive nuts\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eDimensions\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e66\" W × 9.5\" H × 3.8\" D\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eInstalled depth with Z-Clips\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e3.93\"\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eWeight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e68 lbs\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eFinish\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eBlack\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eEnvironmental suitability\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eIndoor use only\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/www.google.com\/s2\/favicons?domain=https:\/\/www.theoryprofessional.com\u0026amp;sz=32\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eTheory Professional\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eThree independent left, center and right channels\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eSix 5-inch carbon-fiber low-frequency drivers\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eThree 1.4-inch Advanced Polymer compression drivers\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eThree individually ported enclosures for extended bass response\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eDesigned to complement 75-inch televisions\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eMore than 124 dB SPL with all three channels driven\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e400-watt continuous and 800-watt peak power handling per channel\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eWide 125-degree conical coverage\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eFrequency response extending to 54 Hz (-6 dB)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eSlim, 3.8-inch-deep aluminum enclosure\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eBlack fabric grille\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eIntegrated Theory VersaSlot mounting system\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eIncluded Z-Clip wall-mounting brackets\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eOptional sb-STAND for tabletop placement\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eRequires three channels of Theory amplification and model-specific DSP processing\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation and System Integration\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eAmplification requirement\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe sb75 is a passive three-channel soundbar requiring three channels of compatible Theory loudspeaker controller amplification and model-specific Theory-certified DSP processing. Amplification and optional mounting accessories are sold separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe included Z-Clip brackets provide a low-profile wall installation, while the optional sb-STAND accommodates installations using entertainment consoles or other suitable flat surfaces.\u003c\/p\u003e\n\u003cp\u003eFor a complete home theater, the sb75 can be paired with compatible Theory subwoofers, surround loudspeakers and multichannel amplification.\u003c\/p\u003e\n\u003ch2\u003eCustom Home Theater Design at The Grid HiFi\u003c\/h2\u003e\n\u003cp\u003eDiscover Theory Audio Design at The Grid HiFi in Houston, Texas. Our team designs and installs premium home theater systems that combine powerful cinematic sound with discreet architectural integration.\u003c\/p\u003e\n\u003cp\u003eWhether you're creating a luxury living room entertainment system or a dedicated private cinema, The Grid can integrate the Theory sb75 with compatible amplification, subwoofers, surround speakers and Control4 automation for a complete entertainment experience.\u003c\/p\u003e\n\u003cdiv id=\"block-699ab3ad8c364c6d206b\" class=\"sqs-block markdown-block sqs-block-markdown custom-table-inside\" data-block-type=\"44\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"block-b3fa871bc7e306a0f623\" class=\"sqs-block spacer-block sqs-block-spacer sized vsize-1\" data-aspect-ratio=\"1.8181818181818181\" data-block-type=\"21\"\u003e\n\u003cdiv id=\"yui_3_17_2_1_1744747480547_259\" class=\"sqs-block-content sqs-intrinsic\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"block-8dfcf058f58fe265800a\" class=\"sqs-block horizontalrule-block sqs-block-horizontalrule\" data-block-type=\"47\"\u003e\u003c\/div\u003e","brand":"Theory Audio Design","offers":[{"title":"Default Title","offer_id":53953929183569,"sku":null,"price":3575.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1047\/7178\/0945\/files\/sb75VisualReference11.jpg?v=1780580858","url":"https:\/\/gridhifi.com\/products\/theory-audio-sb75-soundbar","provider":"The Grid","version":"1.0","type":"link"}