Nice set-up there Max. With regard to the sound problems, as someone mentioned earlier, make sure you have the polarities correct when connecting the speaker cables. Basically ensure you have the positive and negative connections from the amp connected correctly to the speaker at the other end. I can't see any markings on the cables you are using so it may be worth just using a marker pen to distinguish between them on the cable itself. Also I know it sounds daft but make sure you have the speakers connected to the correct connections. It little things that like that that are easy to miss. I once spent 4 hours trying work out why I was getting no sound from my amp from any of my equipment. After disonnecting and reconnecting everything over and over again, checking the polarities and making sure everything was set to output to the amp, and getting more and more frustrated I started swearing at the bloody thing, it turned out I had accidently pushed the "Speaker On/Off" button on the front of the amp. Are you planning on running a sound cable form the projector at some point. I dont think a DVI cable carries sound, and also if you have you DVD player connected to the amp why not just use the sound from that. That adaptor you are using to connect the sky box to your projector. Is a it a 21 pin Scart block or not. If not then you may only be transmitting a composite signal to your projector (basically the worst picture you can get). It might be worth using the s-video connection from the Sky box to the projector directly. You will get a much better picture than composite, however as s-video doesn't carry sound you'll need run a optical cable from the optical out on the sky box to the optical in on the amp.