Headphone Type : Over-The-Head. Type : Closed, dynamic. Magnet : Neodymium. Impedance : 40 ohms at 1 kHz. Power Handling Capacity : 1000 mW. Open Circuit Output Level : -42 dB (0 dB=1 V/Pa). Microphone Input : Electret Condensor Microphone (Omni-Directional).
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