Features:

1. Dual monaural amplified circuit design

2. Two special made audio input transformer input from left and right channel separately.

3. Three special made power transformer supply power for left IC, right IC and control circuit separately.

4. Adopts Xindak " Bias Technology for Avoiding the Dynamic Invalidation of Capacitor" Patent Patent no: 2006200356267

5. 2mm gold-plated PCB