[h=I've seen many websites offering an online test sound feature that checks speaker performance directly from the browser. They usually play tones through each speaker separately, making it easy to identify stereo balance issues, distortion, or missing audio channels. This seems like a convenient alternative to downloading diagnostic software, especially when you only need a quick test. I also noticed that some tools include frequency sweeps and additional audio checks for more detailed diagnostics. Has anyone compared these browser-based sound tests with traditional desktop applications? I'm curious whether the results are accurate enough for everyday troubleshooting or if they're mainly useful for basic speaker checks.]2[/h]