Fifine K669B User Guide

Note:
1. fully plug your earphone into the 3.5mm earphone jack of microphone
2. plug your phone in the mic Jack you can hear your voice at once no need to log in any
recording software or click listen to this device
3. if there is no sound out when you plug earphone into the base of microphone check by
clicking “K678-stereo microphone” – “properties” – “levels” make sure the speaker and
the microphone is on under the levels tab
Listen music from computer
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Specification
Power Supply:
5V
Operating Current:
80mA
Polar Pattern:
Uni-directional
Frequency Response:
40Hz-20KHz
Sensitivity:
-45dB ± 3dB (at 1kHz)
Equivalent Noise Level: 66dB-A
S/N Ratio:
85dB
Max. SPL:
130dB
Typical Frequency Response Curve
Frequency Response (0dB=1V/pa)
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COMPUTER SETUP
Apple MAC OS
1. Plug the free end of the provided USB cable into the USB port on your computer. Your
computer will automatically recognize the USB device and install a driver. There may be
no pop-up window or message though.
2. To select the K678 as your audio input, first, open your System Preferences.
3. Next, click Sound to display the Sound preference pane.
4. Click the Input tab and select the “K678-Stereo Microphone” as the device for sound
input.
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Fifine K669B Specifications

General

Microphone Type	Condenser
Polar Pattern	Cardioid
Frequency Response	20Hz-20kHz
Sensitivity	-34d±30% (at 1kHz)
S/N Ratio	78dB
Max SPL	130dB
Power Source	USB
Power Supply	USB
Compatibility	Mac
Output Connection	USB