Ok I didn't know where to post this, but the other night my wife woke me up saying the subwoofer suddenly came on and she heard voices for a second thne it went off. I guess I wouldn't be freaked out because I know the subwoofer cables can act as an antenna, but this was in the early morning and my receiver was off. Can this type of thing still happen if the reciever is off or is my house haunted