How to Select Mono or Stereo in Audacity
This guide explains how to quickly select between mono and stereo recording channels in Audacity. Whether you are using the modern Audio Setup toolbar or the classic Device toolbar, choosing the correct channel configuration ensures your hardware records appropriately for your project, saving time during editing and export.
Method 1: Using the Audio Setup Button (Audacity 3.2 and Newer)
In modern versions of Audacity, the input channel setting is located in the primary control bar:
- Locate and click the Audio Setup button in the top toolbar.
- Hover your cursor over the Recording Channels sub-menu.
- Select 1 (Mono) Recording Channel if you are recording a single voice or solo instrument.
- Select 2 (Stereo) Recording Channels if you are recording instruments with stereo outputs, field audio, or using a stereo microphone pair.
Method 2: Using the Device Toolbar (Audacity 3.1 and Older)
If you are using an older version of Audacity or have enabled the classic interface:
- Look at the Device Toolbar near the top of the workspace (identifiable by the microphone and speaker icons).
- If the toolbar is hidden, navigate to View > Toolbars and check Device Toolbar.
- Click the dropdown menu located directly to the right of the microphone icon.
- Choose either 1 (Mono) Recording Channel or 2 (Stereo) Recording Channels.
Method 3: Setting the Default in Preferences
To ensure Audacity always opens with your preferred channel mode:
- Open the preferences window by pressing Ctrl + P (Windows/Linux) or Cmd + , (Mac), or navigate to Edit > Preferences.
- Select the Audio Settings tab (labeled Devices in older releases) from the left-hand menu.
- Locate the Recording section and find the Channels dropdown menu.
- Choose 1 (Mono) or 2 (Stereo).
- Click OK to save your changes.
When to Choose Mono vs. Stereo
- Mono: Best for standard voice recordings, podcasts, audiobooks, and single microphone setups. Using mono prevents issues where your voice only plays out of the left or right headphone speaker.
- Stereo: Best for music production, environmental soundscapes, or hardware setups where two distinct signals are routed into the left and right channels simultaneously.