【Knowles Acoustics】EJ-60005-000,扬声器与变频器 6.33 X 4.32 X 5.97MM 121 SENS, 12S PORT
EJ601S-005,
EJ643,BOX STEEL 6.0X4.0X3.0" GREY
EJ644,BOX STEEL 6X4X4" GREY
EJ644S16,Electrical Enclosures 6 x 4 x 4" 316 SS W/PANEL
EJ644SS,BOX ST STEEL 6X4X4" NAT
EJ664,BOX STEEL 6.0X6.0X4.0" GREY
EJ664S16,Electrical Enclosures 6 x 6 x 4" 316 SS W/PANEL