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- frequency range: 20Hz —- 20KHz
- driving coil/diameter: ∅ 50mm
- cable: 2.2m (rubber cable)
- rated sensitivity: 99dB±3dB
- unbalanced degree: ≤3dB
- impedance: 20Ω
- speaker diameter: 50mm
- interface: 3.5mm jack
- maximum power: 30mW
- compatibility: PCs, laptops and other devices with 3.5mm audio output
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