{"product_id":"stage22-l-acoustics-ks21-subwoofers","title":"L-Acoustics KS21 Subwoofers – Compact High-Output Bass","description":"The L-Acoustics KS21 is a compact, high-performance 21-inch subwoofer designed to deliver fast, musical low-frequency extension with impressive output. Its refined enclosure and laminar airflow design provide tight, controlled bass with minimal turbulence, making it an excellent partner for modern line array and point source systems across touring, corporate events and fixed installations. The KS21 integrates seamlessly with L-Acoustics systems and workflows, offering presets via LA Controllers for consistent, reliable results show after show. Flexible deployment options include ground-stacked, flown and cardioid configurations (using multiple enclosures) to manage stage spill and improve audience coverage. Built with the robust construction L-Acoustics is known for, the KS21 balances power, portability and rigging efficiency, helping crews move quickly without compromising sound quality. These units are pre-owned and in great condition, ready to add authoritative low end to your inventory with the reliability demanded by professionals. Ideal for rental fleets, performance venues and production companies seeking compact sub-bass that punches well above its size. A dependable, rider-friendly choice for events where clarity, impact and controlled low-end directivity are essential.\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\u003eL-Acoustics KS21 subwoofers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003e\u003cstrong\u003eSTAGE22.3.100.975\u003c\/strong\u003e\u003c\/small\u003e\u003c\/p\u003e","brand":"L-Acoustics","offers":[{"title":"Used Equipment","offer_id":63772458484089,"sku":null,"price":4569.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0288\/2260\/1776\/files\/SI-429250623706-SI-429250623706-1_e99455e4-d968-4708-a73a-200b04379d2a.jpg?v=1781601623","url":"https:\/\/stage-experts.com\/products\/stage22-l-acoustics-ks21-subwoofers","provider":"Stage Experts Ltd","version":"1.0","type":"link"}