CODE: A4-H005
Headphone Specification Driver unit: 30mm dia. Dome Impedance: 32 Frequency: 20Hz ~ 20KHz Sensitivity: 105dB ± 3dB Max. Input: 100mW Length of wire: 250cm ± 5cm Microphone Specification Directivity: 0 mni Impedance: 2.2K Frequency: 30Hz ~ 20KHz Sensitivity: -58dB ± 3dB Operating voltage: 4.5V