Data source
| Parameter | Indoor sound power |
| Value | 57katalog |
| Note | Heiko single-split; xlsx cennik + EPREL ErP |
Source of this value
HEIKOPrice list
Cennik Heiko (xlsx)
| Parameter | Indoor sound power |
| Value | 57katalog |
| Note | Heiko single-split; xlsx cennik + EPREL ErP |