1. Audio Products
   1. Magnet Connector Series
      1. Power Conditionner
         1. Isolation Transformer
         2. Tunnel Diodes
         3. Varistor
      2. D/A Converter
         1. FPGA Design
         2. ESS Sabre
         3. Burr Brown
         4. Cirrus
      3. Preamp
         1. Transformers
         2. Transistors
         3. Op Amps
         4. Tubes
      4. Amplifier
         1. Tubes
            1. EL34
            2. KT88
         2. Hybrid
            1. Tubes - Chip Amp
            2. Tubes - Transistors
         3. Transistors
            1. Full Class A
            2. Class A/B
         4. Chip amp
            1. LM3886
            2. Class D
   2. Speaker line
      1. Subwoofer
      2. Tower line
      3. Sattelite line
      4. High output, high precision line
2. Electronic conception
   1. Aeronautics
   2. Aerospace
   3. Automotive
   4. Commercial
   5. Consumer
3. House Wiring
   1. Audio systems
   2. Security systems
   3. LAN and phone
   4. Camera and communications
4. Car Wiring
   1. Security systems
   2. Audio systems
   3. Customs lighting systems