Unsure which version of iOS your iPhone can run? Here’s a quick guide ... This means that Apple has now ended support for the iPhones X, 8 and 8 Plus as it is no longer issuing security updates ...

Stereo/Parallel/Bridge-Mono Mode User Selectable Input Sensitivity - 0.775V And 1.4V Electronically Balanced Rca & Xlr Inputs; Binding Post And Speak On Outputs ...