Specifications:

Sensitivity (at 1KHz) : 105 +/-3 dB

Impedance: 32 Ohm +/-15%

Speakers: 40 mm diameter, 16u mylar

Frequency response: 20 - 20000 Hz

Input power: up to 100 mW max

Distortions: < 3 % at 1KHz 40mW

Microphone: condenser omni-directional; sensitivity:-58 ± 3 dB(0 dB=1V/uBar at 1KHz), -38dB (0 dB=1V/Pa at 1KHz), 30 - 16000 Hz

Net weight: 0.2 kg

Cord length: 1.8 m