The Dangerous Music BAX EQ stereo Baxandall shelving equalizer is about as close as you can get to a "magic box" for your mix. Tighten up the bottom end while adding a healthy dose of air to your mix or any stereo groups. This broad-curve shelving EQ takes the classic Baxandall design and packs it with studio-grade components and switched controls for precision and repeatability and mastering and mixing applications.