Rock zircon Wired Earphone
Rock zircon ওয়্যারড ইয়ারফোন
Material: Zircon.
Speaker: 8 mm (8 mm NdFeB speaker)
Rated input power: 1Mw, Maximum input power: 3mW.
IMPEDANCE: 16Ω±15%
Speaker Sensitivity: 93±3dB (at 1KHz 1mW)
Speaker Frequency Response: 20-20K Hz.
Microphone Sensitivity: -40dB±3dB(1kHz), 0dB=1V/pa.
OPERATION TEMPERATURE: -10Celsius --- +55Celsius.
