{"product_id":"stage22-martin-audio-subwoofer-s218","title":"Martin Audio S218 Dual 18-inch Subwoofer Pair | Pro Bass","description":"The Martin Audio S218 is a high-output, dual 18-inch subwoofer designed to deliver deep, authoritative low end for live sound, touring and club installs. This listing is supplied as a set of two S218 subwoofers, each loaded with long-excursion 18-inch drivers featuring high-temperature 4-inch voice coils for reliability under sustained power. With a frequency range of 35–150 Hz (±3 dB), the S218 provides solid sub-bass extension and punch, while a nominal 4-ohm impedance makes it easy to extract maximum performance from modern amplifiers.\n\nRated at 1000 W AES \/ 4000 W peak per cabinet, the S218 achieves up to 136.5 dB continuous and 142.5 dB peak SPL, delivering headroom for demanding productions. The 320-litre birch plywood enclosure is finished in a durable black textured coating and fitted with dual Neutrik NL4 connectors for straightforward system integration. Whether ground-stacked under point-source tops or supporting a line array, the S218 excels in concert venues, theatres, clubs and events where impactful, controlled low frequencies are essential.\n\nIdeal for professional rental and installation applications seeking powerful, consistent sub-bass performance.\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\u003eMartin Audio Subwoofer S218\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003e\u003cstrong\u003eSTAGE22.2.100.100\u003c\/strong\u003e\u003c\/small\u003e\u003c\/p\u003e","brand":"Martin Audio","offers":[{"title":"Used Equipment","offer_id":64898361360761,"sku":null,"price":2414.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0288\/2260\/1776\/files\/Martin_20Audio_20S218_201.webp?v=1792096113","url":"https:\/\/stage-experts.com\/products\/stage22-martin-audio-subwoofer-s218","provider":"Stage Experts Ltd","version":"1.0","type":"link"}