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Wired communication condenser desktop microphone electret 3.5mm port
Model Number: RKCM-9403
Brand Name: Rayking
Key Specifications/Special Features:
Specification:Productparametersensitivity‘-55db±2dbimpedancelessthan2.2kΩpolarpatternomni-directionalfrequencyresponse’50hz-16khzstandardvoltage1.5vworkvoltage1.5vS... |
2017-09-03 |
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Electric use USB headset for calling center, China factory price
Model Number: RKT11-1
Brand Name: Rayking
Key Specifications/Special Features:
SpecificationSpeaker:Sensitivity: 113 ±3dB (at178mV1kHz)Impedance: 150 ±5Ω (at1kHz)Frequency response: 100Hz-10KHzDistortionfactor: ≤5% (at178mv1KHZ)Dimension: Φ28mmM... |
2017-09-02 |
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Call Center Telephone with Noise Cancellation Headset
Model Number: RK228
Brand Name: Rayking
Key Specifications/Special Features:
SpecificationSpeaker:Sensitivity: 113±3dB (at178mV1KHz)Impedance: 150±5Ω (at1KHz)Frequencyresponse: 100Hz-10KHzDistortionfactor: ≤5% (at178mv1KHz)Dimensions: Φ28mmMic:S... |
2017-08-13 |
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Call Center Telephone, Noise Cancellation Headset
Model Number: RKAJ26-01
Brand Name: Rayking
Key Specifications/Special Features:
SpecificationsSpeaker:Sensitivity: 113±3dB(at178mV1KHz)Impedance: 150±5Ω(at1KHZ)Frequencyresponse: 100Hz-10KHzDistortionfactor: ≤5%(at178mv1KHZ)Dimension: Φ28mmMic:... |
2017-08-04 |
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