拜亚动力耳机　beyerdynamic　DT331

■Transducer type: Dynamic
■Frequency response: 20 - 20,000 Hz
■Nominal impedance acc. to IEC 60268-7: 40 Ω
■Nominal SPL acc. to IEC 60268-7: 86 dB
■Nominal THD acc. to IEC 60268-7: < 0.3%
■Power handling capacity acc. to IEC 60268-7: 100 mW
■Weight without cable: 210 g