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"url": "/python/html5/menu_attr_pair/1000/175000/menu_attr_pair_ProductTypeName_SPEAKERS_1_fd768b043b.html" } ], "name_url": "/python/html5/menu_attr_pair/1000/175000/menu_attr_pair_ProductTypeName_SPEAKERS_1_fd768b043b.html" }, { "name": "Product_description", "values": [ { "value": "

Massive Audio BT12 12\" 600 Watt 2 Ohm Loaded Subwoofer Ported Enclosure



Our Massive Audio BT12 is the perfect Bass solution for those with limited space and an unlimited thirst for sound quality. The BT12 is a 12\" Subwoofer pre-installed within an Industrial Grade Carpeted ported enclosure. The BT12 pre-loaded Subwoofer is conservatively rated to handle 300 Watts RMS, yet efficient enough to yield high Sound Pressure Levels. It utilizes an internally wired 2\" Inch, 4 Layer, 2 Ohm Voice Coil and incorporates tight Red stitching that is sewn through a UV Treated Non-Pressed Paper Cone with an EROM Foam Surround. The entire cone assembly is bonded to a heavy gauge steel basket that bolts to High-Grade Double Stacked Strontium Ferrite Magnets.



This Listing Includes:

- Die-Cast Basket with Black Textured Finish

- UV Treated Laminated Paper Cone

- EROM Foam Surround with Red Stitching

- 4-Layer Hi-Temp Voice Coil

- Fiberglass Woven Dust Cap

- Double Stacked High Energy Magnets

- Enhanced Cooling T-yoke Design with Black Anodized Finish

- Customized Rubber Gasket and Magnet Boot

- Triple Black Poly Cotton Spiders with Mirror Image Layout

- Customized Rubber Gasket & Magnet Boot

- Black Anodized Deep Steel Woofer Bars

- High-Quality Industrial Grade Carpet Ported Enclosure



Specifications:

Size: 12\"

Watts RMS: 300w

Peak Power: 600w

Cone: Laminated Paper

Voice Coil: 2\"

Surround: EROM Foam

Magnet: Double Stacked High Flux Y30 Strontium Ferrite

Terminals: 5 Way Binding Push Terminals

Basket: Heavy Gauge Cast Aluminum

Tinsel Leads: Poly Cotton Spider

X-Max: 8mm (1-way)

SPL: 89.5 dB @ 2.83V/1m

FS: 35Hz



Dimensions: 21.6\" x 15.8\" x 14\"

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Massive Audio BT12 12\" 600 Watt 2 Ohm Loaded Subwoofer Ported Enclosure



Our Massive Audio BT12 is the perfect Bass solution for those with limited space and an unlimited thirst for sound quality. The BT12 is a 12\" Subwoofer pre-installed within an Industrial Grade Carpeted ported enclosure. The BT12 pre-loaded Subwoofer is conservatively rated to handle 300 Watts RMS, yet efficient enough to yield high Sound Pressure Levels. It utilizes an internally wired 2\" Inch, 4 Layer, 2 Ohm Voice Coil and incorporates tight Red stitching that is sewn through a UV Treated Non-Pressed Paper Cone with an EROM Foam Surround. The entire cone assembly is bonded to a heavy gauge steel basket that bolts to High-Grade Double Stacked Strontium Ferrite Magnets.



This Listing Includes:

- Die-Cast Basket with Black Textured Finish

- UV Treated Laminated Paper Cone

- EROM Foam Surround with Red Stitching

- 4-Layer Hi-Temp Voice Coil

- Fiberglass Woven Dust Cap

- Double Stacked High Energy Magnets

- Enhanced Cooling T-yoke Design with Black Anodized Finish

- Customized Rubber Gasket and Magnet Boot

- Triple Black Poly Cotton Spiders with Mirror Image Layout

- Customized Rubber Gasket & Magnet Boot

- Black Anodized Deep Steel Woofer Bars

- High-Quality Industrial Grade Carpet Ported Enclosure



Specifications:

Size: 12\"

Watts RMS: 300w

Peak Power: 600w

Cone: Laminated Paper

Voice Coil: 2\"

Surround: EROM Foam

Magnet: Double Stacked High Flux Y30 Strontium Ferrite

Terminals: 5 Way Binding Push Terminals

Basket: Heavy Gauge Cast Aluminum

Tinsel Leads: Poly Cotton Spider

X-Max: 8mm (1-way)

SPL: 89.5 dB @ 2.83V/1m

FS: 35Hz



Dimensions: 21.6\" x 15.8\" x 14\"

", "features": [ "SOLD INDIVIDUALLY | CUSTOM DESIGNED ENCLOSURE WITH SUBWOOFER | This CEA 2031 Certified Subwoofer is rated at 300 watts RMS / 600 watts MAX power with High Impedance Aluminum Former with EISV. Our Massive Subwoofer is used by countless high end Car Audio enthusiasts for accurate sound reproduction and powerful low frequency!", "12 INCH SUBWOOFER WITH GREAT SOUND QUALITY | The sound that comes out of this 12 inch Loaded Subwoofer enclosure will greatly improve the sound quality of your car audio system! It’s bonded to a heavy gauge steel basket that’s bolted to double stacked high flux Y30 Strontium ferrite magnets with a 8mm top plate, producing great sound that lasts longer than your factory subwoofers and other more expensive brands!", "HIGHLY RATED CAR SUBWOOFER | Our Massive Subwoofers produce great sound and are built for any vehicle! The CEA 2031 compliant pre-loaded TKO12 has the classic red Massive logo centered on the PP Vacuum Dust Cap. Also found on the BT12 is the tight Red stitching that’s sewn through a UV treated non-pressed paper cone onto a Pressed foam surround.", "TAKE THE GUESS WORK OUT | This 12 Inch Loaded Subwoofer will improve the sound quality of your car audio system and features 300 RMS Watts to 600 MAX Watts, High Impedance Aluminum Former with EISV Voice Coil, Poly Cotton Spider Tinsel Leads, Laminated Paper Cone with Pressed Foam Surround, Round Shape PP Vacuum Dust Cap. The carpeted black enclosure comes with black anodized steel grills to help protect your subwoofer from damage.", "MASSIVE AUDIO QUALITY GUARANTEED | Since 1999, Massive Audio has been an industry leader in high performance audio products. Massive Audio laid its roots in high quality audio reproduction through in-house engineering and a dedication to customers." ] } ] }, "metadata": { "generated_date": "2026-04-26", "last_updated": "2026-04-26", "data_sources": [ "onlinecarstereo.com", "Amazon" ], "completeness": 0.9, "version": "1.2" } } }, "pagination": null, "nav": { "home": "/python/html5/index.html", "brands": "/python/html5/menu_brand_index/menu_brand_index_brands_87101ba214.html", "parts": "/python/html5/menu_part_index/menu_part_index_parts_909e6bf0ca.html", "attributes": "/python/html5/menu_attr_index/menu_attr_index_attributes_d7f67a250d.html" } }