Quote Originally Posted by nightflier
I must have been thinking of another unit.

On the receiver, if it's rated at 8 ohms only, then using a 4 ohm speaker, with or without the switch box is going to be problematic. If you then add another pair of speakers to the switchbox, it will be that much harder for the receiver to drive the whole load. You would be better served with a receiver that was rated to 4 ohms or even 2 ohms if you can swing it.
Night

Thanks. I was just curious, I don't own any 4 Ohm speakers at this point but you never know. My Kenwood M-1D I think handles 4 ohm anyway.

BTW-here is a pic of the unit that I copied off of E-bay. Not the best but it gives you some idea.