A4 Headset AH-980 [001661] |
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Technical data Headphones:
Driver unit: 40mm dia. Dome
Impedance: 32O
Frequency: 20Hz ~ 20KHz
Sensitivity: 105dB ± 3dB
Max Input: 100mW
Length of wire: 250cm ± 5cm
Technical data microphone:
Directivity: 0 mni
Impedance: 2.2KO
Frequency: 30Hz ~ 20KHz
Sensitivity:-58dB ± 3dB
Operating Voltage: 4.5V |
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