2PCS Car Audio Modification, 6.5-inch Ultra-thin Square Speaker Shell, Car Mounted Subwoofer Box

DIY Car Audio Modification, 12- Inch Trapezoidal Wooden Box, Car/Home Passive Subwoofer Shell, Sealed/Perforated Speaker Box

Car Audio Modification, 10- Inch Speaker Empty box, Car/Household Solid Wood Subwoofer Box

Vehicle Audio Modification DIY 8 -inch/ 10-inch Speaker Case, Car Sound Automotive Box, Car Subwoofer Box

DIY Car Audio Modification,12 Inch Labyrinth Speaker Housing, Passive Subwoofer Empty Box Suitable Lockford Fosgate/JBL/FACAL/FL

Vehicle Audio Modification Wooden Box Accessories 10- Inch Tunnel Dual Bass/Dual Treble Shell for Car/Home subwoofer Empty Box

DIY Car Audio Modification, Maze Perforated Speakers Shell, 12-inch Car Subwoofer Box, Suitable for JL /Lockford Fosgate/JBL

Vehicle Audio Modification Accessory12- Inch Tunnel Speaker Shell, Car Mounted Subwoofer Empty Box, Sound DIY Wooden Box

DIY Vehicle Audio Modification, 1 Pcs10 - inch Subwoofer Empty Box, Wooden Shell for Car/Home Speakers

Vehicle Audio Modification, 6X9- Iinch Subwoofer Empty Box, Speaker Trapezoidal Wooden Box, Passive Subwoofer Shell

Vehicle Audio Modification, 4-Inch Octagonal Honeycomb Shape Speaker Shell, Wooden Speaker Empty Box, Car/Home Subwoofer Box

DIY Vehicle Audio Modification, Solid Wood Speaker Housing, 3.5-inch Car/Household High Pitched, Mid Pitched Subwoofer Empty Box