Kicker 48CWR124 Compatible with Compatible with Honda S2000 2000-2009 12" 500W RMS 4 Ohm Sub, 46CXA8001 Class D Mono 1600W Peak Sub Amp and HOND1X12- S2000 Single 12" Trunk Sub Box Sub Enclosure | KICKER16-PACK2388
2000-2009 Honda S2000 Custom Fit Harmony F124 Single 12" Sub Box & CXA400.1 Amp - Walmart.com
Fits 00-09 Honda S2000 Alpine S-W12D4 Type S Single 12" Custom Sub Box Enclosure 793276242143 | eBay
Amazon.com: American Sound Connection Compatible with Honda S2000 Roadster 2000-2009 Single 12" Subwoofer Sub Box Speaker Enclosure : Electronics
2000-2009 Honda S2000 Custom Fit Harmony R124 Single 12" Sub Box Enclosure New - Walmart.com
Best upgrade ever - modernizing the sound system : r/S2000
Custom Sub Enclosure | Affordable Sub Box
Under seat sub woofers - Page 3 - S2KI Honda S2000 Forums