L1 Compact to S1 Pro

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L1 Compact
S1 Pro  This information is applicable to the S1 Pro system

This page describes 'how' to make the connections. Please also see: Stereo / Mono / Distributed Systems to read when and 'why' you would do this.


Use this when you want the same output from a L1 Compact and an S1 Pro System, typically to provide additional coverage in another area or to use the L1 Compact as the front of house PA and the S1 Pro System as a stage monitor.

For best results running a Compacts and an S1 Pro System with the same source, place the two systems so there is no overlap in the coverage areas.

Compact Daisy Chain Excerpt FromManual.gif

Note: The volume settings on the Compact will raise and lower the output to the S1 Pro System. Set the volumes on the Compact first and then bring up the level on the S1 Pro System to set the relative volumes between the two systems.


CompactDaisyChainS1.jpg

S1 Pro System Settings

S1 Pro Settings for mixer.jpg

  • Reverb OFF
  • Bass at 12:00 o'clock
  • Treble at 12:00 o'clock
  • ToneMatch switch OFF

You can adjust the Reverb, Bass, and Treble after you get your basic sound working.

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Gain Staging

Using a Bose device as the source

When connecting a ToneMatch Mixer[1] or an S1 Pro System Line Out to an S1 Pro System channel 1 or channel 2

Set the volume control to 10:00 o'clock with 1/4 inch (6.3 mm) Tip-Ring-Sleeve

The signal strength from a ToneMatch Mixer[1] or an S1 Pro System Line Out is sufficient to achieve the maximum usable volume from the S1 Pro System
Control the overall volume from the ToneMatch Mixer[1] or the first S1 Pro System. If you use an XLR cable, set the volume control to 9:00 o'clock

ToneMatch Mixer to S1 Pro.jpg


Using a third-party source (not a Bose device as the source)

For each channel you are using on the S1 Pro System

  1. Turn the channel volume off
  2. Connect your sound source
  3. Adjust the volume of the source device output to the reference or nominal output level.
    • On analog consoles this may be marked as unity or 0 dB.
    • On digital consoles this may be marked as -18 dBFS[2][3]. The exact value (-18 dBFS to -20 dBFS) may vary depending your location[4].
    • Refer to the manual for the source device for details.
    • If the source device does not have metering or indicators, set the output as high as you can without hearing distortion or seeing red indicator lights.
  4. While playing/singing as loud as you will during your performance, bring up the channel volume until you see solid green on the channel indicator light. Occasional flickers of red are okay. If you see solid red or you hear distortion, turn down the volume.


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