: This is the most powerful option for advanced users. It provides a system-wide parametric equalizer that lets you control every aspect of your speaker's output.
For a more professional setup, this tabletop controller provides "purity" in the audio path with zero electronics to color the sound. It is available at B&H Photo or Guitar Center for about $69.99. reguliator zvuka dlia kolonok skachat
: This is widely considered the best free, open-source volume booster for Windows. It is designed specifically to compensate for low-quality hardware by boosting volume and bass without distortion. : This is the most powerful option for advanced users