Turn the gain/volume down on the mics if this is happening and you will get a better quality recording. Remember to keep an eye on the levels either way and ensure they are not passing into orange or red.This is good for a sound test although you may choose to turn one or both off while recording if the feedback becomes too much. Select the icon to the right of the red dots, the dot with curved lines below it, to listen to feedback from the mics.Select the red dots on each track that you want to record and press record when you want to go!.Right click on one of the tracks and select Configure Track Header and check the box next to Record Enable and this will display red dots on the tracks.Repeat step 2 to create another track and select input 3&4 – if you don’t see these options you need to check your Aggregate Device is selected as your input (see step 1).Create a track, selecting Audio, Mic, and then in the input select 1&2.Open Garageband and check that your Aggregate Device is set as the input via Preferences > Audio Midi Preferences > Input Device (dropdown menu) > select Aggregate Device.Well that was easy! But now how do you record multiple USB mics using Garageband? How To Record Multiple USB Microphones In Garageband Tick the boxes next to the microphones that you want to use and also select the Drift Correction checkboxes as this will help to keep the mics in sync.Select the + icon at the bottom left and choose “Create An Aggregate Device.”.Open Audio Midi Setup on your computer – you could use Spotlight to search for this to find it quickly.Firstly, how do you set up an Aggregate Device? How To Set Up An Aggregate Device

Setting up multiple desktops on mac