D-163
¡¡ Function parameter
The sum settles the power:4 ¦¸ / 50W ¡Á 2
Place inside+ surround 8 ¦¸ / 30W ¡Á 3
Plastics front-panel
Importing the big power outputs the tube/4 with big electrolysis electric capacity
Complete protection in intelligence electric circuit
The color a form fluorescence holds
The clear and crisp figures card pulls the electric circuit design