We are a business dedicated in creating car audio subwoofer enclosures. Fiberglass Speaker Enclosures (FGSEonline) is well known for our vehicle spec forged box enclosures and our unique universal enclosure designs. All of our products are handmade in the USA and created with premium quality materials such as: Industrial grade fiberglass resin, 2oz chopped fiberglass ...mat, High quality MDF wood which is used for mounting rings and framing, Upholstered with high quality automotive carpet or paint. Our focus is to provide impeccable customers service and create a solution for your car audio needs.

Sick of big square speaker boxes moving around your trunk? Tired of having No Trunk Space? Are you looking for that factory look with competition sound??? Our fiberglass custom Forged Box subwoofer enclosures is just what you're looking for. Our Forged Box subwoofer enclosures delivers Big Bass and still utilize 95% of your trunk space. They are built to accommodate an array of subwoofers on the market. Our fiberglass custom Forged Box subwoofer enclosures offer outstanding durability with an OEM appeal.