{"product_id":"fbt-cla-118s","title":"FBT VERTUS CLA 118S Passive Subwoofer","description":"\u003ch2\u003eFBT VERTUS CLA 118S Passive Subwoofer\u003c\/h2\u003e\n\u003cp\u003eFBT VERTUS CLA 118S is a passive subwoofer with one 18-inch B\u0026amp;C driver in a bass-reflex cabinet.\u003c\/p\u003e\n\u003cp\u003eFBT recommends an external 1600 W RMS amplifier. The loudspeaker has a 600 W long-term rating and 4 Ω nominal impedance; it has no built-in amplifier or internal crossover.\u003c\/p\u003e\n\u003cp\u003eOperation requires an external processor or processed amplifier with an FBT-authorised DSP preset. Two Neutrik NL4M Speakon connectors provide input and link on the rear panel.\u003c\/p\u003e\n\u003cp\u003eThe birch-plywood cabinet has a port designed to reduce airflow turbulence. Side handles help with handling, while mounting points support FBT-specified system configurations.\u003c\/p\u003e\n\u003ch3\u003eMain Features\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eAn 18-inch B\u0026amp;C driver with a 3-inch voice coil supplies bass in a CLA system.\u003c\/li\u003e\u003cli\u003eThe 1600 W RMS value specifies a recommended external amplifier, not built-in electronics.\u003c\/li\u003e\u003cli\u003eAn FBT DSP preset is required for system alignment and driver protection.\u003c\/li\u003e\u003cli\u003eThere is no internal crossover, so frequency division takes place externally.\u003c\/li\u003e\u003cli\u003eTwo Speakon connectors accept the amplifier feed and link it to another loudspeaker.\u003c\/li\u003e\u003cli\u003eThe 4 Ω nominal impedance matters when selecting a compatible power amplifier.\u003c\/li\u003e\u003cli\u003eSuitable external DSP presets support cardioid configurations with multiple subwoofers.\u003c\/li\u003e\u003cli\u003eThe cabinet port is designed to reduce turbulence at high output levels.\u003c\/li\u003e\u003cli\u003eTwo aluminium handles assist with moving the 39.5 kg enclosure.\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e passive bass-reflex subwoofer\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eFBT Product Code:\u003c\/strong\u003e 46251\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eLow-Frequency Driver:\u003c\/strong\u003e 1 × 18 in, 3 in coil\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eRecommended External Amplifier:\u003c\/strong\u003e 1600 W RMS\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eLong-Term Power:\u003c\/strong\u003e 600 W\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eShort-Term Power:\u003c\/strong\u003e 3200 W\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eImpedance:\u003c\/strong\u003e 4 Ω\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e from 33 Hz (-6 dB), upper limit depends on DSP preset\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eSensitivity:\u003c\/strong\u003e 97 dB (1 W \/ 1 m)\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eMaximum SPL:\u003c\/strong\u003e 134 \/ 138 dB (continuous \/ peak, half-space)\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eRecommended High-Pass Filter:\u003c\/strong\u003e 30 Hz, 24 dB\/oct\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eRequired DSP:\u003c\/strong\u003e FBT-authorised external processor preset\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eConnectors:\u003c\/strong\u003e 2 × Neutrik NL4M Speakon (input \/ link)\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003ePole Mount:\u003c\/strong\u003e M20\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eCabinet:\u003c\/strong\u003e 15 mm birch plywood\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eDimensions (W × H × D):\u003c\/strong\u003e 555 × 572 × 660 mm\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eProduct Weight:\u003c\/strong\u003e 39.5 kg\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e1 × FBT VERTUS CLA 118S passive subwoofer\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eWho Is It For\u003c\/h3\u003e\n\u003cp\u003eFor live and installed FBT CLA systems that need low-frequency reinforcement. A compatible external amplifier and FBT-authorised DSP preset must be selected before use.\u003c\/p\u003e\n\u003ch3\u003eCan’t find the FBT product you are looking for?\u003c\/h3\u003e\n\u003cp\u003eContact us: info@stageiq.lt or +370 636 55536.\u003c\/p\u003e","brand":"FBT","offers":[{"title":"Default Title","offer_id":56945518150018,"sku":"CLA118S","price":1270.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0931\/9736\/9730\/files\/fbt-cla-118s-02.jpg?v=1790331470","url":"https:\/\/stageiq.lt\/en\/products\/fbt-cla-118s","provider":"STAGE IQ","version":"1.0","type":"link"}