OpTic TeeP on Twitter: "I love customization and there's so many options with the @JBLaudio JBL Quantum ONE's especially with the Quantum Engine software. Quality is just unmatched with these headsets. Make
JBL Synthesis SDEC3500 Equalizer Boosts Sound for Home Stereo Systems - Electronic House
Here's mine JBL Tune 230nc personal eq. show yours : r/JBL