4 ms·Same here. I believe the Z600 series was specifically designed to be quiet.by radiowave 7y agoSame here. I believe the Z600 series was specifically designed to be quiet.luxpir 7y agoBMW designed the case iirc.behringer 7y agoIt's a great design. My only desire for change really is that I had the z800 which is a bit bigger so I could hold more stuff :)