L1 Pro16 Portable Line Array System

Sold from 2020 – present

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Connecting to a mixer

A mixer can be connected to your Bose speakers. This offers the added connectivity and/or audio processing options available on the mixer.

To connect a mixing board to the Bose system:

Getting connected

  1. Connect each source (i.e. instruments and microphones) to the desired channels on the mixer
  2. Connect the Main Output of the mixing board to the Bose system:
    1. If the mixer has 1/4" output, connect to Input 1 or 2 on the Bose system
    2. If the mixer has XLR output, connect to Input 1 or 2 on the Bose system
    3. If the mixer has 3.5mm, RCA or other output, use an appropriate cable or adapter to connect to to one of the Bose inputs
  3. If connecting the mixer to Input 1 or 2 on the Bose system:
    1. Set the Bose input's ToneMatch switch to "Off"
    2. Set the Bose input's Reverb knob all the way down to avoid applying reverb to the entire mix
    3. Set the Bose input's Bass and Treble knobs to half / neutral. Then, if needed, adjust the knobs to achieve the desired sound

Note: The XLR and 1/4" inputs on the Bose system are mono. If the mixer does not have a mono output, pan each mixer channel all the way to the Left and connect the mixer's Left output to the Bose system.

Adjusting volume and trim levels

  1. Lower the volume of your system to avoid volume spikes or feedback while making adjustments
  2. For each mixer channel, play the connected audio source (i.e. instrument or microphone) as loud as you will while performing
  3. While the source is playing, set the input trim on each mixer channel so it is as high as it can be without the mixer clip indicator illuminating
  4. Set the master volume on the mixer to 0 dB / unity gain
    Tip: On Bose ToneMatch mixers, this is 10 o' clock
  5. Adjust the Bose system volume to the desired level
  6. Adjust each mixer channel volume control to the desired level.
    Tip: Be sure the channel and master volume levels are not clipping to avoid distorted sound.
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