{"product_id":"helix-k-12w-svc2-subwoofer-chassis-12in-300w","title":"HELIX K 12W SVC2 Subwoofer Chassis 12in 300W","description":"The HELIX K 12W delivers deep, powerful bass from a remarkably compact chassis. Its hand-crafted paper cone and robust motor system convert amplifier power into clean, distortion-free sound pressure. Choose between a single 2-ohm voice coil (SVC2) or dual 2-ohm voice coils (DVC2) for flexible amplifier matching. The package includes a protective grille and cover ring, plus detailed enclosure recommendations for optimal DIY performance.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpeaker Size\u003c\/strong\u003e: 12 inch (300 mm)\u003cbr\u003e\u003cstrong\u003eRMS Power\u003c\/strong\u003e: 300 W\u003cbr\u003e\u003cstrong\u003eMax Power\u003c\/strong\u003e: 600 W\u003cbr\u003e\u003cstrong\u003eImpedance (SVC2)\u003c\/strong\u003e: 1 x 2 Ohm\u003cbr\u003e\u003cstrong\u003eImpedance (DVC2)\u003c\/strong\u003e: 2 x 2 Ohm\u003cbr\u003e\u003cstrong\u003eCone Material\u003c\/strong\u003e: Hand-crafted paper fibre\u003cbr\u003e\u003cstrong\u003eSurround Material\u003c\/strong\u003e: Long-throw rubber\u003cbr\u003e\u003cstrong\u003eVoice Coil Diameter\u003c\/strong\u003e: 50.8 mm\u003cbr\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e: 31 Hz - 500 Hz\u003cbr\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e: 89 dB (1W\/1m)\u003cbr\u003e\u003cstrong\u003eOverall Diameter\u003c\/strong\u003e: 316 mm\u003cbr\u003e\u003cstrong\u003eMounting Diameter\u003c\/strong\u003e: 286 mm\u003cbr\u003e\u003cstrong\u003eMounting Depth\u003c\/strong\u003e: 144 mm\u003cbr\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e: 5.68 kg\u003cbr\u003e","brand":"HELIX","offers":[{"title":"SVC2 – 1 x 2 Ohm","offer_id":53773330284881,"sku":"K331201","price":189.0,"currency_code":"GBP","in_stock":true},{"title":"DVC2 – 2 x 2 Ohm","offer_id":53773330317649,"sku":null,"price":189.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1041\/2772\/5905\/files\/HELIX-K-12W_Pers-Membran_970x1280px_16-04-20_2e2ed985-f7b4-486d-8dce-deda13ff44c4.jpg?v=1778713943","url":"https:\/\/shoponyxac.co.uk\/products\/helix-k-12w-svc2-subwoofer-chassis-12in-300w","provider":"Onyx Auto Care","version":"1.0","type":"link"}