Westone 4 Specifications Sensitivity: 118 dB SPL/mW Frequency response: 10 Hz -18 kHz Impedance: 31 ohms Driver: Four balanced armature drivers with a passive three-way crossover Features: Premium comfort tips, Travel Case Cleaning Tool, one-year parts and labor warranty on internal components, 25 dB average acoustic separation, user manual
Westone 4 Specifications Sensitivity: 118 dB SPL/mW Frequency response: 10 Hz -18 kHz Impedance: 31 ohms Driver: Four balanced armature drivers with a passive three-way crossover Features: Premium comfort tips, Travel Case Cleaning Tool, one-year parts and labor warranty on internal components, 25 dB average acoustic separation, user manual