{"product_id":"jbl-691991001659-jbl-srx818s-18-inch-passive-subwoofer-subwoofer","title":"JBL SRX818S 18-inch Passive Subwoofer","description":"\u003ch1\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eJBL SRX818S 18-inch Passive Subwoofer\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cem\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFEATURES\u003c\/span\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Differential Drive® Technology —\u003c\/strong\u003e Utilizes JBL’s patented Differential Drive drivers with lightweight ferrite magnets and 3″ voice coil for increased efficiency and reduced distortion.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Tunings \u0026amp; Presets Available —\u003c\/strong\u003e Supported presets for Crown amps (e.g., ITech HD \/ XTI 2) and dbx signal processors integrate the sub into larger systems with optimal performance.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Flexible Deployment —\u003c\/strong\u003e Features M10 suspension points, indexing feet for standard or cardioid stacking, and a standard M20 pole cup for mounting additional tops.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Powerful Low-Frequency Output — \u003c\/strong\u003eDelivers strong, deep bass with a large 18″ woofer (model 2279H) engineered for low distortion and extended LF response. \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Passive Design for Flexibility — \u003c\/strong\u003ePassive subwoofer can be driven by external amplifiers, allowing system designers to tailor power and DSP as needed. \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Purposeful, Road-Ready Design —\u003c\/strong\u003e Built with rugged 18 mm plywood enclosure and Obsidian DuraFlex™ finish to withstand touring and heavy use.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Professional System Integration —\u003c\/strong\u003e Fully supported in JBL’s Audio Architect system-design software for advanced setup and control.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• High Power Handling — \u003c\/strong\u003eHandles up to 2400 W peak, 1200 W program, and 600 W continuous power for robust performance. \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Strong SPL Capability — \u003c\/strong\u003eProduces up to 129 dB peak sound pressure level for impactful coverage in large venues.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Wide Low-End Frequency Range —\u003c\/strong\u003e Supports 28 Hz – 150 Hz (–10 dB) response for deep sub-bass performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cem\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSPECIFICATIONS\u003c\/span\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Inputs - \u003c\/strong\u003eNL4 (Speakon) input and NL4 loop-through (±1 or ±2 selectable)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Dimensions (H × W × D) -\u003c\/strong\u003e 26.9″ × 26.9″ × 22.6″  (683 × 684 × 575 mm)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Enclosure Material -\u003c\/strong\u003e 18 mm plywood with Obsidian DuraFlex™ coating\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Grille - \u003c\/strong\u003ePowder-coated steel with acoustically transparent cloth\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• System Type - \u003c\/strong\u003ePassive 18″ subwoofer system (bass-reflex design) \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Crossover Frequency -\u003c\/strong\u003e ~80 Hz (internal passive alignment)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Operational Mode -\u003c\/strong\u003e Passive (requires external amplifier)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Frequency Response (±3 dB) -\u003c\/strong\u003e 45 Hz – 150 Hz\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Frequency Range (–10 dB) -\u003c\/strong\u003e 28 Hz – 150 Hz\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• LF Driver -\u003c\/strong\u003e 1 × 18″ woofer (JBL 2279H)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Pole Mount - \u003c\/strong\u003eM20 threaded pole socket\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Sensitivity -\u003c\/strong\u003e ~95–96 dB (1 W\/1 m)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• Power Handling:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e                - 600 W Continuous\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e                - 1,200 W Program\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e                - 2,400 W Peak\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Maximum SPL (Peak) - \u003c\/strong\u003e~135 dB \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Finish - \u003c\/strong\u003eObsidian DuraFlex™ \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Handles -\u003c\/strong\u003e 4 rugged handles\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Nominal Impedance -\u003c\/strong\u003e 8 Ω \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• Weight -\u003c\/strong\u003e 78 lb (35.4 kg)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e• UPC -\u003c\/strong\u003e 691991001659\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cem\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eIN THE BOX\u003c\/strong\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• 1 × SRX818S 18″ passive subwoofer cabinet \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• Owner's manual\u003c\/span\u003e\u003c\/p\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":51813439406354,"sku":null,"price":1689.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0029\/7998\/7515\/files\/SRX818S-18-inchPassiveSubwoofer8.png?v=1766881002","url":"https:\/\/www.allthissound.com\/products\/jbl-691991001659-jbl-srx818s-18-inch-passive-subwoofer-subwoofer","provider":"All.This.Sound","version":"1.0","type":"link"}