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1. Diaphragm material: graphene
2. Frequency range: 20Hz - 20KHz
3. Nominal impedance: 32 ohms + / -10%
4. Rated power: 2-3mW
5. Resonance frequency: 400Hz +/-20%
6. Sensitivity: 105dB +/-1.5dB
7. Size: 10mm
8. Weight: about 1g
2pcs 10mm Coaxial Dual Dynamic Unit Graphene Diaphragm HIFI Headphone Speaker
$23.82 NZD
1. Diaphragm material: graphene
2. Frequency range: 20Hz - 20KHz
3. Nominal impedance: 32 ohms + / -10%
4. Rated power: 2-3mW
5. Resonance frequency: 400Hz +/-20%
6. Sensitivity: 105dB +/-1.5dB
7. Size: 10mm
8. Weight: about 1g