1. Securely tighten the base to the thread mount of your microphone.
  2. Adjust the angle of the microphone by swiveling the microphone up and down, then tighten the screw.



  1. Connect the microphone to your PC via the provided USB-C to USB-C cable or USB-C to USB-A cable.
  2. Connect to your headphones via a 3.5mm audio cable.


You might need to manually select PowerCast M300 for your PC system.

  • macOS

System Preferences > Sound > Input

  • Windows

Right-click on the sound icon > Open Sound settings > Choose your input device

Light Show

Press the RGB button on the bottom of the microphone to switch light effects. To turn off the light effects, press and hold the RGB button for 2 seconds.

Adjusting the volume dial corresponds to the brightness of the light effects in the middle of the microphone.





Microphone onPress onceSolid blue
Microphone offPress onceSolid red
Switch to microphone control statusPress and hold for 2 secondsSolid blue
Microphone volume up / downRotate in microphone control statusSolid blue; brightness varying with volume


Switch to headphone control statusPress and hold for 2 secondsSolid green
Headphone volume up / downRotate in headphone control statusSolid green; brightness varying with volume


Input5V 0.2A (Max)
Microphone16mm condenser capsule
Polar patternCardioid
Bit depth24 bit / 96 kHz
Frequency response20 Hz – 20 kHz
CompatibilityWindows® 7 or later, macOS® 10.11 or later
Note: This User's Manual is adapted from the official manual created by Anker in PDF format, without modification of the content. We just rewrite the PDF, into responsive mobile friendly pages.So, you can read this document anytime and anywhere.

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