can i Splice A usb socket extension cable into power cable???
I have a little sub woofer box and 4 speakers connected to it, it has a line out 3.5 mm headphone jack which i connect my iphone to,
the Subwoofer box has a power cable which plugs into the mains power. This is for work and it does the job just fine.
my question is though i want to put a USB socket in the subwoofer box so i can charge my iphone at the same time via USB.
Can i splice my usb socket extension cable into the power cable??
The power cable does not have an AC adaptor on the end if it just the plug.
If this cant be done How can i get power to usb.
Thanks in Advance.