{"title":"Bandpass - 12\"","description":"","products":[{"product_id":"bp-12","title":"BP-12 | Alumapro 12 inch 400 watt Band Pass Enclosure","description":"\u003ch2\u003eMaximum Bass in Minimum Space — Hand-Built in Huntley, IL\u003c\/h2\u003e\n\n\u003cp\u003eThe BP-12 is the flagship of the BP-Series — a 12\" bandpass enclosure that delivers chest-thumping, competition-level bass from a design that outperforms subwoofers rated at much higher power. Alumapro's dual chamber bandpass design reaches down to 20Hz with 97dB sensitivity, meaning this box gets loud — seriously loud — without demanding a massive amplifier. For enthusiasts who want maximum impact, the BP-12 is the real deal.\u003c\/p\u003e\n\n\u003ch3\u003eDual Chamber Bandpass Design\u003c\/h3\u003e\n\n\u003cp\u003eThe BP-12's precisely tuned dual chamber system harnesses both the front and rear energy of the 12\" woofer simultaneously. This is the most efficient enclosure design in car audio — delivering higher SPL per watt than sealed, ported, or free-air setups. The frequency response is specifically shaped to complement car cabin acoustics, with deep, authoritative bass that extends to 20Hz and beyond.\u003c\/p\u003e\n\n\u003ch3\u003eAlumapro Aluminum Alloy Cone Woofer\u003c\/h3\u003e\n\n\u003cp\u003eInside the BP-12 is a full-size 12\" Alumapro woofer featuring the signature aluminum alloy cone — immune to temperature and humidity extremes that destroy paper and poly cones. The massive motor structure, rigid frame, Kevlar spider, and Santoprene surround handle sustained high-output punishment without breaking a sweat.\u003c\/p\u003e\n\n\u003ch3\u003eAero-Port Technology\u003c\/h3\u003e\n\n\u003cp\u003eLarge flared aero-ports eliminate compression and port noise that plague lesser enclosures. At competition-level output where cheap boxes fall apart, the BP-12 stays clean, tight, and composed. Zero port noise. Zero compression. Just bass.\u003c\/p\u003e\n\n\u003ch3\u003eBuilt to Last, Built to Impress\u003c\/h3\u003e\n\n\u003cp\u003ePremium durable black carpet, heavy-duty bolted and clamped construction, and a thick gasketed plexi viewing window with carbon-pattern accents. The BP-12 isn't just an enclosure — it's a statement. Show it off at the meet. It can take it.\u003c\/p\u003e\n\n\u003ch3\u003eSpecs at a Glance\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eEnclosure: Bandpass with 1x12\" Alumapro woofer\u003c\/li\u003e\n\u003cli\u003eFrequency Response: 20–80 Hz\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 or 8 ohms\u003c\/li\u003e\n\u003cli\u003eSensitivity: 97dB \/ 2.83v \/ 1m\u003c\/li\u003e\n\u003cli\u003eDimensions: 15.5\"W x 16\"H x 19.5\"D\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eEngineered and assembled in the USA by Alumapro.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Alumapro","offers":[{"title":"Default Title","offer_id":52357267128609,"sku":"112BBC-0402-_ _","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/1145\/9873\/files\/PXL_20260310_192705818.RAW-01.MP.COVER.png?v=1773199589"}],"url":"https:\/\/www.shopalumapro.com\/collections\/bandpass-12.oembed","provider":"ShopAlumapro.com","version":"1.0","type":"link"}