With fastening clip 3,5 mm stereo plug. Cable length: 180 cm. Sensitivity: -38 ± 3 dB. Driver unit: -38 dB at 3.0 V/2.2 kOhm. Operational voltage: 1-10 V DC. Power consumption: 150-450 µA. Frequency range: 30Hz–16 kHz.
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