Headphone Impedance and Sensitivity - Benchmark Media Systems, Inc.
Headphone Model Voltage Sensitivity (dB SPL at 1 Vrms) Impedance (Ohms) Power Sensitivity (dB SPL @ 1 mW) Sennheiser HD 650 112 300 107 Sennheiser HD 600 112 300 107 Audeze LCD-X 112.5 22 96 Grado SR325 113 32 98 PSB M4U 1 117 32 102 Sony ......