Black 8 Inch Subwoofer, Size/Dimension: Box Size 19x19x10
Amazon.com: Atrend 8 inch Vented Enclosure Carpeted Car Subwoofer Speaker Box - Improves Audio Quality, Sound and Bass - High Grade MDF Construction with Nickel Finish Speaker Terminal - Black : Electronics
8" Speaker Box Enclosure Sub Subwoofer Box Car Speaker Box 7.25" Hole – AK Audio
IWISTAO 1 PC 3 Way Speaker Empty Cabinet 8 Inch Passive Enclosure Wood – IWISTAO HIFI MINIMART
8" WEDGE SPEAKER BOX – FOX ACOUSTICS
STL file 8 Inch Dual Speaker Box - Dual Speaker Stack・Model to download and 3D print・Cults
RetroSound® Full-range Speaker System R-TB8 – Retro Manufacturing
Amazon.com: Atrend 8 inch Single Vented SPL Tune Subwoofer Box - Improves Audio Quality, Sound & Bass - Woofer Specific Enclosure Certified - Designed, Engineered in USA - Nickel Finish Speaker Terminal : Electronics