{"product_id":"ka-s9004-as","title":"KA-S9004‑AS","description":"\u003cp\u003e\u003cstrong\u003eKA-S9004‑AS Single‑18‑Inch Active Subwoofer Overview\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eCore Advantages\u003c\/strong\u003e\u003cbr\u003e1. Powerful Low‑Frequency Output\u003cbr\u003eEquipped with a neodymium‑based 18‑inch driver with a 4‑inch voice coil, this subwoofer delivers 1400W RMS power with a peak 136dB SPL and covers 35Hz‑400Hz. Its built‑in active design removes reliance on external amplifiers while the 8‑ohm impedance achieves seamless pairing with full‑range speakers.\u003cbr\u003e2. Heavy‑Duty Build with Practical Design\u003cbr\u003eConstructed from 18mm birch plywood with polyurea‑paint finish to reduce cabinet vibration. At 57kg, it balances structural sturdiness and convenient transportation for touring events and fixed‑site installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Scenarios\u003c\/strong\u003e\u003cbr\u003eMatched with line‑array loudspeakers, it provides robust bass output for stadium‑level concerts, outdoor music festivals and large‑scale banquet venues.\u003cbr\u003e\u003c\/p\u003e","brand":"Kevyson Pro Audio","offers":[{"title":"Default Title","offer_id":52106213458140,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1245\/3596\/files\/5_d025ff35-fd3a-4206-abf5-9a55dfd32b62.jpg?v=1784966323","url":"https:\/\/kevysonaudio.com\/es\/products\/ka-s9004-as","provider":"Kevyson Pro Audio","version":"1.0","type":"link"}