FSA is a professional car audio factory located in Shenzhen, southern part of China, next to Hong Kong. It was established in 1995.With years of experiences in audio industry, we product various car audio products,which include: car amplifiers, FM modulators, Equalizers & etc. Monthly productivity could reach 20,000 sets. We?re currently working with companies like: AudioPipe USA, Clarion, Arc Audio, and Vibe UK.