Channel strip controls in Logic Pro for Mac
Each channel strip has a set of controls (also called components), which varies according to channel strip type. You can adjust the channel strip volume and pan position, mute and solo channel strips, add and adjust effects, and send the output to auxiliary or output channel strips.
Audio Device controls: The following audio channel strip controls are visible only when you are using a compatible audio interface. See your audio interface user guide for more information.
Input type slot: Choose the type of audio device connected to the input, for example microphone, instrument, line level equipment, and so on.
Phantom power button: Sends phantom power to an attached microphone. Check your microphone documentation to determine if your microphone needs phantom power.
Filter button: Activates a low-cut filter across the input. This can reduce the amount of low-frequency rumble recorded, if present in the source signal.
Phase reverse button: Use this button to reverse the phase of the audio signal. This can be useful when recording the same signal with multiple microphones. When the button is lit, the phase is reversed.
Input gain field: Displays the amount of input gain added to the audio signal.
Input gain knob: Use to set the amount of input gain.
Direct hardware monitoring button: Activates or deactivates direct hardware monitoring for the channel. This allows you to hear your recorded material without the latency incurred by monitoring your signal through Logic Pro. See your audio interface’s documentation for details on how it implements direct hardware monitoring.
Setting button: Use to load, browse, or save channel strip settings for the selected track. These settings represent the entire routing configuration of a single channel strip, including plug-ins and their settings. See working with channel strip settings.
Gain Reduction meter: Displays the gain reduction of the first Compressor plug-in, or (if no compressor is inserted), the gain reduction of an inserted Limiter or Adaptive Limiter plug-in on the channel strip.
EQ display: Do any of the following:
Click to insert a Channel EQ into the first unused Insert slot, or to open the topmost inserted Channel or Linear Phase EQ.
Option-click to insert a Channel EQ into the first slot and move any inserted plug-ins down one slot.
Shift-click to insert a Linear Phase EQ into the first unused Insert slot.
Option-Shift-click to insert a Linear Phase EQ into the first slot and move any inserted plug-ins down one slot.
You can use EQ effects to shape an audio signal by adjusting specific frequency range levels. See use the Channel EQ in Logic Pro.
MIDI Effect slot: Inserts a MIDI effect into the software instrument channel strip. See Use MIDI plug-ins in Logic Pro.
Input/Instrument slot: Choose the channel strip’s input source—the input source that your microphone or instrument is connected to.
Audio Effect slot: Inserts an audio effect into the channel strip. Use effects to alter signals in real time. See overview of plug-ins in Logic Pro.
Send slot: Routes the signal to an aux channel strip. The Send Level knob that appears defines the amount of signal to route. Use sends to process effects for multiple signals at the same time. See send signals to multiple destinations in Logic Pro.
Send Level knob: Controls the amount of signal sent to an aux channel strip. Use sends to process effects for multiple signals at the same time.
Output slot: Choose the channel strip’s output destination—where the channel strip signal is sent to. You can also choose the output type, and pan or balance type.
Group slot: Controls a channel strip’s group assignment. Use the Group Settings window to define which parameters are controlled for the entire group at once. See overview of groups in Logic Pro.
Automation Mode button: Sets how channel strip and plug-in changes are handled during recording and playback. See Choose automation modes in Logic Pro for Mac.
Track icon: Displays the track icon of the track assigned to the channel strip, for easier cross-referencing.
Pan/Balance knob: Sets the channel strip signal’s position. On mono channel strips, it controls the signal’s left/right position. On stereo channel strips, it controls the balance between the left and right signals. See set channel strip pan or balance positions in Logic Pro.
VCA slot: Assigns the channel strip to an existing VCA group. See use VCA groups in the Logic Pro Mixer.
Peak level display: Updates during playback to show the highest peak level reached. A red display indicates signal clipping.
Volume display: Shows the playback volume.
Volume fader: Adjusts the playback volume of the channel strip signal.
Level meter: Shows the level of the input signal—when playing an instrument or singing, for example. Amber and yellow signals are safe. Red indicates signal clipping.
Record Enable button: Arms the track or channel strip for recording.
Input Monitoring button: Allows you to hear incoming audio on audio tracks that aren’t record-ready. Use to set audio levels or to practice parts before recording.
Bounce button: Used to bounce the output of any output channel strip to an audio file.
Mute button: Removes the signal from the overall composition so that it can’t be heard.
Solo button: Isolates the signal from the overall composition so that it can be heard alone.
Channel Mode button: Switches the channel strip input format between Mono and Stereo. Click to choose Left, Right, or Surround format.
Dim button: Turns on Dim Volume mode. This sets the playback volume to the Dim value set in the Logic Pro > Settings > Audio > General pane.
