Mixer View

Input Channel 2 and Input Channel 3/4 are located on the rear control panel of Spark LIVE. While the physical knobs provide manual control, adjusting them during a performance can be inconvenient—especially when you're on stage.
Thankfully, the Mixer View feature in the Spark app lets you control these channels more easily and in real time.


  1. Connect your instrument to Input 2 or Input 3/4 on Spark LIVE.

  2. Open the Spark app and tap the "Mixer View" icon (located next to the "ToneCloud" icon).

    Mixer View icon on the Tone page (top-right, next to ToneCloud)

  3. Adjust the volume for each input channel, as well as Music, Master, and Line Out levels, by dragging their corresponding knobs.

    Mixer View controls - Input 1 / 2 / 3-4, Music, Output (Master Vol. + Line Out)
    Turning the knobs all the way down does not mute the channel. Please power off Spark LIVE before unplugging any input.
    If the Line Out control is greyed out, go to the product card and check if "Line Out Volume Linking" is enabled.

    Line Out control greyed out in the Mixer (left), with Line Out Volume Linking toggle in the product card settings (right)


  4. Toggle Input 3/4 between Stereo and Mono by tapping the blue badge:

    • Stereo - Input 3/4 works as a single stereo input with one shared Pan/Volume.
    • Mono - Input 3 and Input 4 become two independent inputs, each with its own Pan/Volume.

    Input 3/4 Stereo/Mono toggle - tap the blue badge to switch between combined stereo (left) and split mono inputs (right)

  5. To adjust impedance, tap the dropdown menu on the right side of each input channel.

    Dropdown Menu

    For Input 1 & Input 3/4:

    Input 1 and 3/4 Impedance Options

    For Input 2:

    Input 2 Impedance Options

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