In this video I’m doing a real budget car audio upgrade test with Skar TX Series speakers paired up with a little Fosi mini amp. The whole point here is simple: can a low-cost combo actually get you loud, clean sound without turning into a harsh, distorted mess the second you touch the volume? I run it like I run all my gear—real-world testing, listening for clarity, how the mids hit, how the highs behave, and whether the “more power” actually translates into better sound or just more noise. I break down what you’re getting with the Skar TX lineup (different sizes depending on your vehicle) and why a compact mini amp like the Fosi can be a game-changer if you’re still on weak factory power. The big takeaway: speakers matter, but power and tuning matter too—if you want the upgrade to feel like an upgrade. If you’re trying to spend smart and you want an honest comparison before you buy, this one’s for you.