{"title":"Subwoofers - 12 inch","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"},{"product_id":"alusonic-ex-12","title":"12\" Alusonic EX | Subwoofer","description":"\u003ch2\u003eAluminum Cone Performance Without the Premium Price Tag\u003c\/h2\u003e\n\n\u003cp\u003eYou shouldn't have to empty your wallet to experience real aluminum-cone bass. The Alusonic EX puts Alumapro's proven cone technology in a subwoofer that punches way above its price point. It's not a stripped-down budget sub — it's a purpose-built performer designed to deliver serious, hard-hitting bass for enthusiasts who want the real thing without overspending.\u003c\/p\u003e\n\n\u003ch3\u003eAlumapro's Proven Aluminum Cone\u003c\/h3\u003e\n\n\u003cp\u003eThe Alusonic EX uses the same proven aluminum alloy cone technology that put Alumapro on the map. Rigid, lightweight, and naturally heat-dissipating — this cone doesn't flex or distort under pressure the way paper and poly cones do. The result is bass that's tight, accurate, and detailed at any volume. Once you hear aluminum, you don't go back.\u003c\/p\u003e\n\n\u003ch3\u003eVented Extended Motor Assembly\u003c\/h3\u003e\n\n\u003cp\u003eThe extended motor structure gives the Alusonic EX the muscle to move serious air. The vented design allows heat to escape efficiently, keeping the voice coil cool and the sub performing consistently even during extended listening sessions. No thermal compression, no power loss — just reliable output when you need it.\u003c\/p\u003e\n\n\u003ch3\u003eHeavy Gauge Steel Frame\u003c\/h3\u003e\n\n\u003cp\u003eA solid foundation makes all the difference. The heavy gauge steel frame provides the structural rigidity the Alusonic EX needs to perform without introducing unwanted vibration or resonance. It's built tough and built to last.\u003c\/p\u003e\n\n\u003ch3\u003eSantoprene Rubber Surround\u003c\/h3\u003e\n\n\u003cp\u003eThe high-roll Santoprene surround delivers smooth, consistent excursion across a wide temperature range. Hot summers, cold winters — the Alusonic EX performs the same no matter what the weather throws at it. Long-term durability you can count on.\u003c\/p\u003e\n\n\u003ch3\u003eLaminated Nomex Suspension\u003c\/h3\u003e\n\n\u003cp\u003eThe Nomex spider keeps the cone centered with precision, maintaining linear movement and distortion-free bass throughout the full range of excursion. A full inch of cone travel means the EX can move the air it needs to fill your cabin with deep, powerful bass.\u003c\/p\u003e\n\n\u003ch3\u003eLooks the Part Too\u003c\/h3\u003e\n\n\u003cp\u003eThe Alusonic EX doesn't just sound expensive — it looks it. The cosmetic magnet cover and powder-coat finish give this sub a premium appearance that belies its price tag. Your install will look as good as it sounds.\u003c\/p\u003e\n\n\u003ch3\u003eBuilt for Your Setup\u003c\/h3\u003e\n\n\u003cp\u003eThe Alusonic EX 12\" is optimized for sealed and bandpass enclosures, making it ideal for tight, punchy bass in daily drivers and first builds. Available in Single 4-ohm, Single 8-ohm, Dual 4-ohm, and Dual 6-ohm voice coil configurations, giving you flexibility in how you wire your system — and make it easy to add multiple EXs down the road.\u003c\/p\u003e\n\n\u003cp\u003eAvailable in Silver, Frost, Black, and Custom cone colors.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHandmade in the USA by Alumapro.\u003c\/strong\u003e\u003c\/p\u003e\n","brand":"Alumapro","offers":[{"title":"Single 4 ohm \/ Silver","offer_id":52374282699041,"sku":"120402-A04","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Single 4 ohm \/ Frost","offer_id":52374282731809,"sku":"120402-A05","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Single 4 ohm \/ Black","offer_id":52374282764577,"sku":"120402-A06","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Single 4 ohm \/ Custom","offer_id":52374282797345,"sku":"120402-A0_","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm \/ Silver","offer_id":52374282830113,"sku":"124402-A04","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm \/ Frost","offer_id":52374282862881,"sku":"124402-A05","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm \/ Black","offer_id":52374282895649,"sku":"124402-A06","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm \/ Custom","offer_id":52374282928417,"sku":"124402-A0_","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Dual 6 ohm \/ Silver","offer_id":52374282961185,"sku":"126602-A04","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Dual 6 ohm \/ Frost","offer_id":52374282993953,"sku":"126602-A05","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Dual 6 ohm \/ Black","offer_id":52374283026721,"sku":"126602-A06","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Dual 6 ohm \/ Custom","offer_id":52374283059489,"sku":"126602-A07","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Single 8 ohm \/ Silver","offer_id":52374283092257,"sku":"120802-A04","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Single 8 ohm \/ Frost","offer_id":52374283125025,"sku":"120802-A05","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Single 8 ohm \/ Black","offer_id":52374283157793,"sku":"120802-A06","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Single 8 ohm \/ Custom","offer_id":52374283190561,"sku":"120802-A07","price":219.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/1145\/9873\/files\/Bazaart_1c8facb6-d713-40a6-b982-a3a9d473883f.jpg?v=1772083370"},{"product_id":"alusonic-ex-free-air-12","title":"12\" Alusonic EX Free Air | Subwoofer","description":"\u003ch2\u003eAluminum Cone Free-Air Bass — Without the Premium Price Tag\u003c\/h2\u003e\n\n\u003cp\u003eWant real aluminum-cone bass in a free-air setup without breaking the bank? The Alusonic EX Free-Air delivers. Purpose-tuned for infinite baffle and vented applications, the EX Free-Air lets you mount directly into your trunk wall, rear deck, or custom baffle — no box required. Deep, clean bass that fills your cabin naturally, at a price that leaves room in the budget for the rest of your build.\u003c\/p\u003e\n\n\u003ch3\u003eWhat Is Free-Air?\u003c\/h3\u003e\n\n\u003cp\u003eA free-air (infinite baffle) subwoofer is designed to play without a traditional sealed or ported box. Instead, it uses the trunk or cargo area of your vehicle as its rear air volume. The result is smooth, natural-sounding bass with less weight, less bulk, and more usable space in your vehicle. If you want serious low end without sacrificing your entire trunk, free-air is the way to go.\u003c\/p\u003e\n\n\u003ch3\u003ePurpose-Tuned for Open-Air Performance\u003c\/h3\u003e\n\n\u003cp\u003eThis isn't just a standard Alusonic EX without a box — the suspension and motor parameters have been specifically tuned for free-air use. The higher Qts values mean the driver controls its own cone movement without relying on enclosure air pressure, delivering smooth, controlled bass in infinite baffle and vented setups where a standard sub would sound loose and undefined.\u003c\/p\u003e\n\n\u003ch3\u003eAlumapro's Proven Aluminum Cone\u003c\/h3\u003e\n\n\u003cp\u003eThe same proven aluminum alloy cone technology that put Alumapro on the map. Rigid, lightweight, and naturally heat-dissipating — it doesn't flex or distort under pressure the way paper and poly cones do. In a free-air application where there's no enclosure to help control the sound, cone rigidity matters even more. The EX delivers tight, accurate bass in any mounting configuration.\u003c\/p\u003e\n\n\u003ch3\u003eVented Extended Motor Assembly\u003c\/h3\u003e\n\n\u003cp\u003eThe extended motor structure gives the Alusonic EX Free-Air the muscle to move serious air. The vented design allows heat to escape efficiently — especially important in a free-air install where the back of the sub is exposed to the trunk space. Consistent output, no thermal compression, session after session.\u003c\/p\u003e\n\n\u003ch3\u003eHeavy Gauge Steel Frame\u003c\/h3\u003e\n\n\u003cp\u003eA solid foundation makes all the difference. The heavy gauge steel frame provides the structural rigidity needed for a clean, resonance-free install. Whether you're mounting in a trunk wall or a custom baffle, the frame holds everything tight and true.\u003c\/p\u003e\n\n\u003ch3\u003eSantoprene Rubber Surround\u003c\/h3\u003e\n\n\u003cp\u003eThe high-roll Santoprene surround delivers smooth, consistent excursion across a wide temperature range. Hot summers, cold winters — the Alusonic EX Free-Air performs the same no matter what the weather throws at it.\u003c\/p\u003e\n\n\u003ch3\u003eLaminated Nomex Suspension\u003c\/h3\u003e\n\n\u003cp\u003eThe Nomex spider keeps the cone centered with precision. In a free-air setup where there's no enclosure air spring helping control the cone, a well-engineered suspension system is critical. A full inch of cone travel means the EX can dig deep and move the air it needs to fill your cabin.\u003c\/p\u003e\n\n\u003ch3\u003eLooks the Part Too\u003c\/h3\u003e\n\n\u003cp\u003eThe cosmetic magnet cover and powder-coat finish give the Alusonic EX Free-Air a premium appearance that punches well above its price point. Your install will look as good as it sounds.\u003c\/p\u003e\n\n\u003ch3\u003eBuilt for Your Setup\u003c\/h3\u003e\n\n\u003cp\u003eThe Alusonic EX 12\" Free-Air is designed for infinite baffle and vented enclosure applications. Perfect for trunk wall mounts, rear deck installs, custom baffles, and vented boxes tuned at 28–36 Hz. Available in Single 4-ohm, Single 8-ohm, Dual 4-ohm, and Dual 6-ohm voice coil configurations, giving you flexibility in how you wire your system — and make it easy to add multiple EXs down the road.\u003c\/p\u003e\n\n\u003cp\u003eAvailable in Silver, Frost, Black, and Custom cone colors.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHandmade in the USA by Alumapro.\u003c\/strong\u003e\u003c\/p\u003e\n\n","brand":"Alumapro","offers":[{"title":"Single 4 ohm \/ Silver","offer_id":52374283223329,"sku":"120402-A04F","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Single 4 ohm \/ Frost","offer_id":52374283256097,"sku":"120402-A05F","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Single 4 ohm \/ Black","offer_id":52374283288865,"sku":"120402-A06F","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Single 4 ohm \/ Custom","offer_id":52374283321633,"sku":"120402-A0_F","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm \/ Silver","offer_id":52374283354401,"sku":"124402-A04F","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm \/ Frost","offer_id":52374283387169,"sku":"124402-A05F","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm \/ Black","offer_id":52374283419937,"sku":"124402-A06F","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm \/ Custom","offer_id":52374283452705,"sku":"124402-A0_F","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Dual 6 ohm \/ Silver","offer_id":52374283485473,"sku":"126602-A04F","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Dual 6 ohm \/ Frost","offer_id":52374283518241,"sku":"126602-A05F","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Dual 6 ohm \/ Black","offer_id":52374283551009,"sku":"126602-A06F","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Dual 6 ohm \/ Custom","offer_id":52374283583777,"sku":"126602-A07F","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Single 8 ohm \/ Silver","offer_id":52374283616545,"sku":"120802-A04F","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Single 8 ohm \/ Frost","offer_id":52374283649313,"sku":"120802-A05F","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Single 8 ohm \/ Black","offer_id":52374283682081,"sku":"120802-A06F","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Single 8 ohm \/ Custom","offer_id":52374283714849,"sku":"120802-A07F","price":219.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/1145\/9873\/files\/Bazaart_5ee342b6-a268-4750-b80e-8f9e15ae4da1.jpg?v=1772083439"},{"product_id":"alchemy-mx-12","title":"12\" Alchemy MX | Subwoofer","description":"\u003ch2\u003eAward-Winning Subwoofers, Hand-Built in Huntley, IL\u003c\/h2\u003e\n\u003cp\u003eThe Alchemy MX didn't win awards by accident. Years of engineering obsession went into creating a subwoofer that doesn't just move air — it moves you. Clean, powerful, and built to last, the MX is for enthusiasts who refuse to settle for muddy, one-note bass.\u003c\/p\u003e\n\u003ch3\u003eUnitized Aluminum Cone Technology\u003c\/h3\u003e\n\u003cp\u003eThis isn't just an aluminum cone bolted to a voice coil — it's a unitized structure where the cone and voice coil are fused into a single integrated assembly. The coil is bonded to a thermally-conductive former that's actually part of the aluminum cone itself, creating a direct heat path from the voice coil straight into the heat-sinking alloy cone. Heat doesn't get trapped — it gets pulled out. The result is dramatically higher power capacity, lower distortion, and longer life than conventional designs.\u003c\/p\u003e\n\u003cp\u003eThe cone itself is a curvilinear shape — not a standard straight-sided cone. The curved profile is inherently more rigid across all axes, with a reinforcing rib at the rim for extra strength. No cone flexing, no breakup, no harsh distortion — just clean, accurate bass at any volume.\u003c\/p\u003e\n\u003cp\u003eTo take it even further, the aluminum alloy is electrochemically strengthened with a hard sandwich of aluminum oxide ceramic. This constrained-layer construction makes the cone significantly more rigid than competitive designs, while also providing permanently anodized colors that are bright, weatherproof, and scratch-resistant.\u003c\/p\u003e\n\u003ch3\u003eFerrofluidic Motor Structure\u003c\/h3\u003e\n\u003cp\u003eDistortion kills clarity. That's why the Alchemy MX uses a Ferrofluid-cooled motor assembly that keeps the voice coil running cool while virtually eliminating harmonic distortion. The result is bass that stays clean and controlled, even when you're pushing the sub hard. More power in, more music out — without the harshness.\u003c\/p\u003e\n\u003ch3\u003eAero-Vented Cast Alloy Frame\u003c\/h3\u003e\n\u003cp\u003eMost subwoofer frames are just there to hold things together. The Alchemy MX frame is engineered to perform. The cast alloy construction provides a rock-solid foundation that eliminates unwanted resonance, while Alumapro's proprietary aero-venting channels airflow beneath the spider to reduce turbulence noise and keep the motor structure cool under sustained output.\u003c\/p\u003e\n\u003ch3\u003eSantoprene Rubber Surround\u003c\/h3\u003e\n\u003cp\u003eThe high-roll Santoprene surround gives the Alchemy MX smooth, linear excursion across a wide temperature range. Whether it's a freezing Chicago winter or a summer competition in the sun, this surround performs consistently — delivering reliable bass and long-term durability that cheaper materials can't match.\u003c\/p\u003e\n\u003ch3\u003eLaminated Nomex Suspension\u003c\/h3\u003e\n\u003cp\u003eThe dual-layer Nomex spider keeps the cone centered with precision, maintaining linear movement even at high excursion levels. This means accurate, distortion-free bass throughout the entire stroke — not just at low volumes.\u003c\/p\u003e\n\u003ch3\u003eBuilt for Your Setup\u003c\/h3\u003e\n\u003cp\u003eThe Alchemy MX 12\" is optimized for sealed and bandpass enclosures, making it ideal for tight, punchy bass in both daily drivers and competition builds. Available in Single 4-ohm, Single 8-ohm, Dual 4-ohm, and Dual 6-ohm voice coil configurations, giving you flexibility in how you wire your system — and make it easy to add multiple MXs down the road.\u003c\/p\u003e\n\u003cp\u003eAvailable in Silver, Frost, Black, and Custom cone colors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHand-built in Huntley, Illinois by Alumapro.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Alumapro","offers":[{"title":"Single 4 ohm \/ Silver","offer_id":52374284796193,"sku":"120413-B04","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Single 4 ohm \/ Frost","offer_id":52374284828961,"sku":"120413-B05","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Single 4 ohm \/ Black","offer_id":52374284861729,"sku":"120413-B06","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Single 4 ohm \/ Custom","offer_id":52374284894497,"sku":"120413-B0_","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm \/ Silver","offer_id":52374284927265,"sku":"124413-B04","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm \/ Frost","offer_id":52374284960033,"sku":"124413-B05","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm \/ Black","offer_id":52374284992801,"sku":"124413-B06","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm \/ Custom","offer_id":52374285025569,"sku":"124413-B0_","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 6 ohm \/ Silver","offer_id":52374285058337,"sku":"126613-B04","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 6 ohm \/ Frost","offer_id":52374285091105,"sku":"126613-B05","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 6 ohm \/ Black","offer_id":52374285123873,"sku":"126613-B06","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 6 ohm \/ Custom","offer_id":52374285156641,"sku":"126613-B0_","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Single 8 ohm \/ Silver","offer_id":52374285189409,"sku":"120813-B04","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Single 8 ohm \/ Frost","offer_id":52374285222177,"sku":"120813-B05","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Single 8 ohm \/ Black","offer_id":52374285254945,"sku":"120813-B06","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Single 8 ohm \/ Custom","offer_id":52374285287713,"sku":"120813-B0_","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/1145\/9873\/files\/PXL_20250523_013015862.RAW-01.MP.COVER_7e881ece-d23c-43d8-b688-f4f4458c330b.jpg?v=1772152143"},{"product_id":"alchemy-mx-free-air-12","title":"12\" Alchemy MX | Subwoofer Free Air","description":"\u003ch2\u003eAward-Winning Subwoofers, Tuned for Free-Air — Hand-Built in Huntley, IL\u003c\/h2\u003e\n\u003cp\u003eNot every build has room for a box — and not every build needs one. The Alchemy MX Free-Air takes everything that makes the MX legendary and re-tunes it for infinite baffle and vented applications. Mount it in your trunk wall, rear deck, or a custom baffle and let it breathe. No enclosure. No compromises. Just clean, deep bass that fills your cabin naturally.\u003c\/p\u003e\n\u003ch3\u003eWhat Is Free-Air?\u003c\/h3\u003e\n\u003cp\u003eA free-air (infinite baffle) subwoofer is designed to play without a traditional sealed or ported box. Instead, it uses the trunk or cargo area of your vehicle as its rear air volume. The result is smooth, natural-sounding bass with less weight, less bulk, and more usable space in your vehicle. If you want serious low end without sacrificing your entire trunk, free-air is the way to go.\u003c\/p\u003e\n\u003ch3\u003eSpecifically Tuned for Open-Air Performance\u003c\/h3\u003e\n\u003cp\u003eThis isn't just a standard MX without a box recommendation — it's a purpose-built free-air subwoofer. The suspension and motor parameters have been specifically tuned for higher Qts values, which means the driver controls its own cone movement without relying on the air pressure inside a sealed enclosure. The result is smooth, controlled bass response in free-air and vented applications where a standard sub would sound loose and undefined.\u003c\/p\u003e\n\u003ch3\u003eUnitized Aluminum Cone Technology\u003c\/h3\u003e\n\u003cp\u003eThis isn't just an aluminum cone bolted to a voice coil — it's a unitized structure where the cone and voice coil are fused into a single integrated assembly. The coil is bonded to a thermally-conductive former that's actually part of the aluminum cone itself, creating a direct heat path from the voice coil straight into the heat-sinking alloy cone. Heat doesn't get trapped — it gets pulled out. The result is dramatically higher power capacity, lower distortion, and longer life than conventional designs.\u003c\/p\u003e\n\u003cp\u003eThe cone itself is a curvilinear shape — not a standard straight-sided cone. The curved profile is inherently more rigid across all axes, with a reinforcing rib at the rim for extra strength. No cone flexing, no breakup, no harsh distortion — just clean, accurate bass at any volume.\u003c\/p\u003e\n\u003cp\u003eTo take it even further, the aluminum alloy is electrochemically strengthened with a hard sandwich of aluminum oxide ceramic. This constrained-layer construction makes the cone significantly more rigid than competitive designs, while also providing permanently anodized colors that are bright, weatherproof, and scratch-resistant.\u003c\/p\u003e\n\u003ch3\u003eFerrofluidic Motor Structure\u003c\/h3\u003e\n\u003cp\u003eDistortion kills clarity. The Alchemy MX Free-Air uses a Ferrofluid-cooled motor assembly that keeps the voice coil running cool while virtually eliminating harmonic distortion. The result is bass that stays clean and controlled, even during long listening sessions at high output.\u003c\/p\u003e\n\u003ch3\u003eAero-Vented Cast Alloy Frame\u003c\/h3\u003e\n\u003cp\u003eThe cast alloy frame provides a rock-solid foundation that eliminates unwanted resonance, while Alumapro's proprietary aero-venting channels airflow beneath the spider to reduce turbulence noise. In a free-air install where the back of the sub is exposed to the trunk space, proper venting is critical — the MX frame is designed for exactly this kind of open-air environment.\u003c\/p\u003e\n\u003ch3\u003eSantoprene Rubber Surround\u003c\/h3\u003e\n\u003cp\u003eThe high-roll Santoprene surround delivers smooth, linear excursion across a wide temperature range. Whether it's a freezing Chicago winter or a summer road trip, this surround performs consistently — delivering reliable bass and long-term durability season after season.\u003c\/p\u003e\n\u003ch3\u003eLaminated Nomex Suspension\u003c\/h3\u003e\n\u003cp\u003eThe dual-layer Nomex spider keeps the cone centered with precision, maintaining linear movement even at high excursion levels. In a free-air setup where there's no enclosure air spring to help control the cone, a well-engineered suspension system is everything — and the MX gets it right.\u003c\/p\u003e\n\u003ch3\u003eBuilt for Your Setup\u003c\/h3\u003e\n\u003cp\u003eThe Alchemy MX 12\" Free-Air is designed for infinite baffle and vented enclosure applications. Perfect for trunk wall mounts, rear deck installs, custom baffles, and vented boxes tuned at 30–36 Hz. Available in Single 4-ohm, Single 8-ohm, Dual 4-ohm, and Dual 6-ohm voice coil configurations, giving you flexibility in how you wire your system — and make it easy to add multiple MXs down the road.\u003c\/p\u003e\n\u003cp\u003eAvailable in Silver, Frost, Black, and Custom cone colors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHand-built in Huntley, Illinois by Alumapro.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Alumapro","offers":[{"title":"Single 4 ohm \/ Silver","offer_id":52374285320481,"sku":"120413-B04F","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Single 4 ohm \/ Frost","offer_id":52374285353249,"sku":"120413-B05F","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Single 4 ohm \/ Black","offer_id":52374285386017,"sku":"120413-B06F","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Single 4 ohm \/ Custom","offer_id":52374285418785,"sku":"120413-B0_F","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm \/ Silver","offer_id":52374285451553,"sku":"124413-B04F","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm \/ Frost","offer_id":52374285484321,"sku":"124413-B05F","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm \/ Black","offer_id":52374285517089,"sku":"124413-B06F","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm \/ Custom","offer_id":52374285549857,"sku":"124413-B0_F","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 6 ohm \/ Silver","offer_id":52374285582625,"sku":"126613-B04F","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 6 ohm \/ Frost","offer_id":52374285615393,"sku":"126613-B05F","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 6 ohm \/ Black","offer_id":52374285648161,"sku":"126613-B06F","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Dual 6 ohm \/ Custom","offer_id":52374285680929,"sku":"126613-B0_F","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Single 8 ohm \/ Silver","offer_id":52374285713697,"sku":"120813-B04F","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Single 8 ohm \/ Frost","offer_id":52374285746465,"sku":"120813-B05F","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Single 8 ohm \/ Black","offer_id":52374285779233,"sku":"120813-B06F","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Single 8 ohm \/ Custom","offer_id":52374285812001,"sku":"120813-B0_F","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/1145\/9873\/files\/PXL_20250523_013015862.RAW-01.MP.COVER.jpg?v=1772152103"},{"product_id":"alchemy-rx-12","title":"12\" Alchemy RX | Subwoofer","description":"\u003ch1 style=\"text-align: center;\"\u003eAlchemy RX 12 inch\u003c\/h1\u003e\n\u003ch3 id=\"yui_3_17_2_1_1771646982599_309\" style=\"text-align: center;\"\u003eThe new flagship model of the Alchemy-series, the RX offers bold styling and greater performance. 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