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NE121S Single 12" Sealed Subwoofer Enclosure | 1.0 Cu Ft MDF Sub Box with Polyfill, Spring Terminals, Black Carpet Finish

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Single 12" Sealed Subwoofer Enclosure Designed for one 12-inch subwoofer with 1.0 cubic foot internal volume, ideal for tight, accurate bass response in car audio systems. Durable MDF Construction Built from 3/4" medium-density fiberboard (MDF) using precision CNC cutting for strength, durability, and reduced vibration. Improved Acoustic Performance Pre-lined with Poly-Fil to enhance sound quality and deliver smoother low-frequency response. Clean Professional Finish Covered in premium black carpet for a clean, factory-style appearance in your vehicle. Easy Installation Includes spring-loaded push terminals, 11.22" cutout diameter, and supports subwoofers up to 10.125" mounting depth. (NOTE: NOT COMPATIBLE with VC-Series, XC-Series, or subwoofers 850W RMS and above.)

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Single 12" Sealed Subwoofer Enclosure Designed for one 12-inch subwoofer with 1.0 cubic foot internal volume, ideal for tight, accurate bass response in car audio systems. Durable MDF Construction Built from 3/4" medium-density fiberboard (MDF) using precision CNC cutting for strength, durability, and reduced vibration. Improved Acoustic Performance Pre-lined with Poly-Fil to enhance sound quality and deliver smoother low-frequency response. Clean Professional Finish Covered in premium black carpet for a clean, factory-style appearance in your vehicle. Easy Installation Includes spring-loaded push terminals, 11.22" cutout diameter, and supports subwoofers up to 10.125" mounting depth.

(NOTE: NOT COMPATIBLE with VC-Series, XC-Series, or subwoofers 850W RMS and above. )

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First Listed on Newegg	August 16, 2026

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Item#: 9SIC8BCM4M7010