EW22HA - d=155 mm, 65dB, F90-A, RC2, a=625 mm
EW22HA - d=205 mm, 69dB, F90-A, RC2, a=625 mm
EW22HA - d=255 mm, 70dB, F90-A, RC2, a=625 mm
EW22HA - d=155 mm, 65dB, F90-A, RC3, a=312,5 mm
EW22HA - d=205 mm, 69dB, F90-A, RC3, a=312,5 mm
EW22HA - d=255 mm, 70dB, F90-A, RC3, a=312,5 mm