Excerpt: Those who follow PC speakers closely would surely know about Logitech’s Z-5500 speakers and how much everyone loves them. They are indeed one of the best 5.1 PC speakers we have come across. The Z-5450, the one we are reviewing, are a slightly less powerful version of the Z-5500. What sets the Z-5450 apart from its predecessors are its rear wireless satellites. Let’s see if they sound as good as they look.