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- frequency range: 20Hz —- 20KHz
- driving coil/diameter: ∅ 40mm
- cable: 2.2m (rubber cable)
- rated sensitivity: 122dB±3dB
- unbalanced degree: ≤4dB
- impedance: 32Ω ± 15%
- speaker diameter: 40mm
- interface: USB 2.0 port
- load impedance: 2.2kΩ
- maximum power: 30mW
- current: ≤100mA
- voltage: DC 5V±5%
- compatibility: PCs, laptops and other devices with 3.5mm audio output
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