QKZ DM-7 Zink Alloy In-Ear Headphone Earphone
- Brand: QKZ
- Model: DM7
- 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
