USA SPEC is a manufacture and engineering company that markets a full line of OEM integration products for the 12 Volt industry. We both engineer and manufacture all our products. USA SPEC maintains manufacturing and engineering in Korea and assembly, engineering and warehousing in the US. We also warehouse and distribute on both coast.

All USA SPEC products are exhaustively field tested in real world environments to insure highest quality. USA SPEC products are sold and installed in most quality car stereo stores across the US and at major US retailers like Circuit City and Crutchfield.