Redback® A 4450 4 x 4 Audio Matrix/SwitcherUser manual revision number: 1.5 25/11/2022Operating ManualA 4450 4 x 4 Audio Source Matrix/SwitcherOptional AccessoriesA 4461 7” Master Wall Plate BlackA 4462 4.3” Zone Wall Plate BlackA 4463 7” Master Wall Plate WhiteA 4464 4.3” Zone Wall Plate WhiteA 4660 Paging Microphone ConsoleIMPORTANT NOTE:Please read these instructions carefully from front to back prior to installation.They include important setup instructions. Failure to follow these instructions may prevent theunit from working as designed.Redback® Proudly Made In AustraliaDistributed by Altronic Distributors Pty. Ltd. Phone: 08 9428 2199 Internet: altronics.com.auA 4461 Master Plate A 4464 Zone Selector PlateA 4660 Paging ConsoleA 4450 Controller