Can I extend the Rear and Center channel speaker cables? Related Searches Arena 9 extend speaker cables speaker cables SteelSeries Yes, the rear speakers and center channel speaker use standard "RCA" connectors that can be used with an extension cable. Related articles Can I listen to Bluetooth and USB audio at the same time? Does 5.1 surround work on PlayStation? Are the rear speakers fully wireless? Some surround sound audio is missing on my Arena 9? Can I use the Arena 9 without an USB-C port?