Centre plate with supporting frame, screw fixing only for 2 loudspeaker sockets up to 18.5 mm Ø or with flange mounting 22.5 mm hole spacing.
In connection with mounting plate ref.-no. 63 WBT (not included) for loudspeaker terminal ref.-no. LPK 63 RT/SW and RCA socket ref.-no. CIB 63. Second hole can be broken out.