Aluminum-butyl is not the same as aluminum-butyl

a lightweight yet extremely rigid carbon cone

Coated silk dome

Speaker size: 16

T3S1/S2-19 Tiefmitteltöner Aluminum-butyl is not the sameRockford Fosgate T Series The POWER T3 can rightly be classified as a SUPERWOOFER due to its effective cone area of a whopping 19 inches! The T3 subwoofer features technologies never before seen in car audio, such as the injection molded surround, the foam is extremely strong and durable, similar to a rubberized material. The edge wound voice coil ensures that the windings are very close together, with no air gap, so it always remains sufficiently