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

DIY Audio Modification 1 Pcs 4-inch Car/Home Subwoofer Box Body, Passive Speaker Empty Box,Wooden Shell of Subwoofer

1Pcs Vehicle Audio Modification 6.5-inch Car/Home Speaker Housing Pure Solid Wood Two Division Frequency/Full Frequency Maze Box

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

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

DIY Car Speaker Modification, 6.5-inch Dual Speaker Housing, Home/Car Subwoofer Box

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

Vehicle Audio Modification 12- Inch Car/Home Subwoofer Housing Passive Opening/Ssealed Ultra-low Frequency Honeycomb Box

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