Product: 10" Subwoofer Speaker Depth Extender Extending Ring - 1/2" Thick - ID: 9 1/8" OD: 10 7/8" - SSK10QS - Stackable - Perfect for Framing Fiberglass Enclosures
Brand: MJM Car Speaker Adapters
Allows for extra depth spacing to install deeper speakers
PVC construction is tough as nails
Stack 2 or more spacers for more depth clearance

Search query: 10 subwoofer spacer ring
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