For most people, the built-in sound application that Windows 7 came with is more than enough for their listening experience. However, there are some people who are a lot more particular when it comes to their sound standards. Profound Sound Lite developed by Quickfilter Technologies is a useful software that will allow users to customize their sound to better suit their preferences. The program has sliders that the users can edit to change the frequency of the sound output. The software also has several presets that the users can choose so that they won’t have to spend time figuring out what the best settings are for specific uses. This program isn’t entirely necessary, but if you need to customize your audio, go ahead and use it.