{"product_id":"kef-blb-outdoor-bollard-subwoofers","title":"KEF BLb Outdoor Bollard Subwoofers","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eKEF BLb Outdoor Bollard Subwoofers\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eA passive outdoor bollard subwoofer designed to add proper low-frequency weight to distributed landscape audio without relying on indoor-style cabinets.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe BLb range is built for outdoor systems where satellites or bollard speakers need dedicated bass support. Both models use a cylindrical landscape-friendly enclosure, 360-degree coverage and published ground-stake and hardscape dimensions for permanent installation planning.\u003c\/p\u003e\n\u003cp\u003eBL8b is the compact option with an 8-inch driver, while BL12b moves to a 12-inch driver, higher recommended amplifier power, greater maximum output and a larger nominal coverage area.\u003c\/p\u003e\n\u003ch3\u003eBass That Belongs in the System\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOutdoor bass needs placement, filtering and amplification planned as one job.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBL8b extends to 27Hz at the published +\/-6dB point and is rated to 109dB maximum SPL. BL12b extends to 24Hz and reaches 115dB maximum SPL. Both are passive, so the final result depends on suitable DSP, crossover settings and amplifier power.\u003c\/p\u003e\n\u003ch3\u003eLandscape Installation\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThe enclosure and mounting dimensions matter before the garden is finished.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEach model has separate dimensions for the cabinet, hardscape mount and ground-stake installation. The IPX5 rating and -25°C to 70°C operating range support permanent outdoor use, while cable entry, drainage and access should still be planned as part of the landscape design.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePassive outdoor bollard subwoofer\u003c\/li\u003e\n\u003cli\u003e360-degree nominal coverage\u003c\/li\u003e\n\u003cli\u003e4-ohm nominal impedance\u003c\/li\u003e\n\u003cli\u003eIPX5 weather protection\u003c\/li\u003e\n\u003cli\u003eBL8b: 8-inch driver, 109dB max SPL, 150W recommended amplifier power\u003c\/li\u003e\n\u003cli\u003eBL12b: 12-inch driver, 115dB max SPL, 400W recommended amplifier power\u003c\/li\u003e\n\u003cli\u003eDesigned for KEF Network DSP Amplifiers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003ePassive outdoor bollard subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModels\u003c\/td\u003e\n\u003ctd\u003eBL8b and BL12b\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver options\u003c\/td\u003e\n\u003ctd\u003e8-inch or 12-inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeather rating\u003c\/td\u003e\n\u003ctd\u003eIPX5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoverage\u003c\/td\u003e\n\u003ctd\u003e360 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eFor those who like to drag out all the useful bits\u003c\/em\u003e\u003c\/p\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eView full technical specifications\u003c\/strong\u003e\u003c\/summary\u003e\u003ch4\u003eBL8b\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpedance:\u003c\/strong\u003e 4 ohms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e 87dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResponse:\u003c\/strong\u003e 27Hz-300Hz (+\/-6dB, with back can\/rear enclosure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e 25Hz-330Hz (-10dB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e 360 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArea:\u003c\/strong\u003e 120m²\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpl:\u003c\/strong\u003e 109dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriver:\u003c\/strong\u003e 200mm (8-inch) LF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmp:\u003c\/strong\u003e KEF Network DSP Amplifiers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecpower:\u003c\/strong\u003e 150W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHpf:\u003c\/strong\u003e 170Hz recommended low-pass filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDims:\u003c\/strong\u003e 771 x 288 x 288mm (H x W x D)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardscape:\u003c\/strong\u003e 781 x 288 x 288mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStake:\u003c\/strong\u003e 1056 x 288 x 288mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 11.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemp:\u003c\/strong\u003e -25°C to 70°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIp:\u003c\/strong\u003e IPX5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBL12b\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpedance:\u003c\/strong\u003e 4 ohms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e 88dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResponse:\u003c\/strong\u003e 24Hz-300Hz (+\/-6dB, with back can\/rear enclosure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e 21Hz-330Hz (-10dB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e 360 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArea:\u003c\/strong\u003e 200m²\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpl:\u003c\/strong\u003e 115dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriver:\u003c\/strong\u003e 300mm (12-inch) LF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmp:\u003c\/strong\u003e KEF Network DSP Amplifiers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecpower:\u003c\/strong\u003e 400W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHpf:\u003c\/strong\u003e 170Hz recommended low-pass filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDims:\u003c\/strong\u003e 816 x 362 x 362mm (H x W x D)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardscape:\u003c\/strong\u003e 826 x 362 x 362mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStake:\u003c\/strong\u003e 1100 x 362 x 362mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 19.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemp:\u003c\/strong\u003e -25°C to 70°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIp:\u003c\/strong\u003e IPX5\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/details\u003e\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThese are passive subwoofers and require external amplification and DSP\/crossover configuration.\u003c\/li\u003e\n\u003cli\u003ePlan placement, cable route, drainage and service access before ground works are completed.\u003c\/li\u003e\n\u003cli\u003eThe price list specifies KEF Network DSP Amplifiers as the required amplifier family.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe Audio Experts Take\u003c\/h3\u003e\n\u003cp\u003eBL8b is suited to distributed outdoor systems where bass support needs to stay visually restrained. BL12b is the more appropriate choice when the zone is larger, playback levels are higher or the system needs more genuine low-frequency headroom.\u003c\/p\u003e\n\u003cp\u003eThe important buying decision is the system around the subwoofer. We would confirm the satellite count, amplifier channels, DSP filtering and cable runs before selecting the final quantity and location.\u003c\/p\u003e\n\u003cp\u003eBrand new. Full Australian warranty. Contact The Audio Experts for current availability, outdoor system design and installation advice.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"KEF","offers":[{"title":"BL8b - 8 inch","offer_id":48299793678523,"sku":"SP4086B0AA","price":2360.0,"currency_code":"AUD","in_stock":true},{"title":"BL12b - 12 inch","offer_id":48299793711291,"sku":"SP4117B0AA","price":3140.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0252\/1956\/3610\/files\/kef-bl8b-outdoor-bollard-subwoofer.jpg?v=1787811386","url":"https:\/\/theaudioexperts.com.au\/products\/kef-blb-outdoor-bollard-subwoofers","provider":"The Audio Experts","version":"1.0","type":"link"}