High-performance DriversnFrequency Response: 13Hz-22.5kHznInput Impedance: 16 OhmsnSensitivity: 121dBn High-performance drivers Closed-back design Silicone sleeves Distinctive colors and graphics 99.99% oxygen-free cable Custom JBL/Tim McGraw carrying pouch Connection 3.5mm jack Frequency Response: 13Hz-22.5kHz Input Impedance: 16 ohms Sensitivity: 121dB