Detailed Product DescriptionSpeaker element:φ40mm
Magnet:Neodymium
Sensitivity:110+ / -3dB / mW at1KHz(each side)
Impedance:32Ω+ / -10%
Frequency range:20-20KHz
Nominal input(Rate power):40mW
Maximum input(Power handling
Capacity):100mW
Active cancellation:Up to 18-20dB cancellation between 150-400Hz
Power:1.5V powered(1.5V BAT.)
Cord lenght:1.5m Single wire
Cord diameter:φ3mm
Plug:3.5mm
Weight(without BAT.):200g