Griffin Technology Speaker Breakout Cable Pro

This device is a good idea, but, although advertised to work with iMacs, it doesn't. The end of the cable designed to attach the speakers is fine, but the other end does not fit in the jack in my iMac. I tried an adapter that I bought at Radio Shack, and it fit in the computer jack. But, the end of the cable wouldn't go far enough into the adapter to make the connection. I didn't return the cable because shipping would cost too much, and I was tired of the whole project. I did call Griffin Technology, the company that makes the cable, and I was told that they had not made the device for a long time. Maybe the thing will work with older iMacs? Don't order this cable unless you are sure it is compatible with your computer.