| Number of layers | 4th floor |
| Plates | FR4 |
| Surface technology | OSP |
| Line width/line | 3/3 MIL |
| Application area | sound |
| Number of layers | 4th floor |
| Plates | FR4 |
| Surface technology | OSP |
| Line width/line | 3/3 MIL |
| Application area | sound |
| Number of layers | 4th floor |
| Plates | FR4 |
| Surface technology | OSP |
| Line width/line | 3/3 MIL |
| Application area | sound |