Now I'm getting worried. I posted something earlier with regards to low sub volume when not in DD mode. I've realized that my sub is switching on and off while I'm watching something. Not only in PL2 mode but also in Dolby digital. The sound of the sub's amp turning on and off happen intermittantly every 5-10 minutes, and a couple of times, it took forever to switch back on. What's going on here? Have I once again purchased something I'll have to return within the first week? The sub I'm using is the B&W 1000.