type: closed, dynamic/ drive unit: 40mm/ maximum power: 45mW/ frequency response range: 20-20 KHZ/ the rated impedance:32Ω/ sensitivity: 108 db/mW / headphone cable:2.1m
type: closed, dynamic/ drive unit: 40mm/ maximum power: 45mW/ frequency response range: 20-20 KHZ/ the rated impedance:32Ω/ sensitivity: 108 db/mW / headphone cable:2.1m