Only Skullcandy headphones are custom-tuned to deliver music you can feel. From the lyrics in your soul to the bass in your bones. We spend hundreds of hours designing, testing and perfecting every Skullcandy product in our park City, Utah headquarters. But our engineers aren’t your typical corporate lab-coat-wearing Technicians. They're people who love music. They live for adventure. And they know what it’s like to out on the go. Probably a lot like you. Impedance: 16 Ohms, Sound Pressure Level: 92dB ± 3dB and Frequency Response: 20kHz - 20Hz.