Centre plate for stereo loudspeaker socket ref.-no.:SLA 2 WW, SLA 2 AN Centre plate for for 2-gang supporting frame ref.-no.:UMA-MA2 in connection with universal modular jack socket type A ref.-no.: UMA-CAT6A Centre plate for for USB data interface ref.-no.:2130 USB Centre plate for for USB charger ref.-no.:USB 21-2