QKZ DM7 In-Ear Earphone

• Type: Piston In-Ear Earphone
• Material: Zinc alloy Metal CNC
• Line Length:1.2m
• Speaker: 9 mm NdFeB speaker
• Speaker Power: Rated input power: 3mW, Maximum input power: 5mW
• Impedance: 32Ω±15%
• Speaker Sensitivity: 120±2dB (at 1KHz 1mW)
• Speaker Frequency Response: 8-22K Hz
• Microphone Sensitivity: -42dB±3dB1kHz, 3V 0dB=1V/pa
• Operation Temperature: -10 Celsius --- +40 Celsius