- Go to your system preferences
![](https://i2.wp.com/www.koalasampler.com/wp-content/uploads/2021/07/Screenshot-2021-07-09-at-10.13.10.png?resize=368%2C232&ssl=1)
2. Open “Security & Privacy”
![](https://i2.wp.com/www.koalasampler.com/wp-content/uploads/2021/07/Screenshot-2021-07-09-at-10.13.21.png?resize=190%2C182&ssl=1)
Click the “Privacy” tab, select “Microphone” on the left, and make sure “koala.app” has a tick next to it. If not, please tick it.
![](https://i2.wp.com/www.koalasampler.com/wp-content/uploads/2021/07/Screenshot-2021-07-09-at-10.13.37.png?resize=905%2C811&ssl=1)
2. Open “Security & Privacy”
Click the “Privacy” tab, select “Microphone” on the left, and make sure “koala.app” has a tick next to it. If not, please tick it.