{"product_id":"stage20-ref-2539-l-acoustics-sb28-subwoofer","title":"L-Acoustics SB28 Subwoofer – High-Power Dual 18-inch","description":"The L-Acoustics SB28 is a touring-grade, dual 18-inch subwoofer engineered for exceptional low-frequency performance in large-scale sound reinforcement. Designed to partner seamlessly with L-Acoustics line array and point source systems, it delivers deep, controlled bass with impressive headroom, making it ideal for live music, theatre, and high-impact corporate events. The optimised vented enclosure provides tight, musical response with low distortion, while advanced presets in L-Acoustics amplified controllers support cardioid and standard configurations for precise pattern control and reduced stage spill.\n\nBuilt for the road, the SB28 features a robust cabinet and hardware suitable for reliable ground-stacked deployments. Its acoustic performance and system integration enable consistent results across venues, from arenas to outdoor festivals. Whether used as a dedicated low-frequency extension or as part of a broader L-Acoustics ecosystem, the SB28 offers the power, clarity and control demanded by professional engineers.\n\nA solid choice when impactful, articulate sub-bass is required for modern productions.\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDolly board\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003e\u003cstrong\u003eSTAGE20.2.100.050\u003c\/strong\u003e\u003c\/small\u003e\u003c\/p\u003e","brand":"L-acoustics","offers":[{"title":"Used Equipment","offer_id":63948630655353,"sku":null,"price":2357.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0288\/2260\/1776\/files\/Ref-2539-L-acoustics-SB28-Sub-2-300x200.webp?v=1783757891","url":"https:\/\/stage-experts.com\/products\/stage20-ref-2539-l-acoustics-sb28-subwoofer","provider":"Stage Experts Ltd","version":"1.0","type":"link"}