From Bose Portable PA Encyclopedia
This page is preliminary
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S1 Pro system
Introduced January 23, 2018.
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Documentation
S1 Pro system Owners Guide
Downloads
Firmware
Different Models
How to Tell the Difference Between L1 Models
This is how to tell which L1® unit you have.
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| 2020 - Present |
| L1 Pro8, L1 Pro16, L1 Pro32 |
| 2020 - Present |
| Sub module for L1 Pro32 |
| 2018 - Present |
| 4 channel ToneMatch Mixer (stereo) |
| 2018 - Present |
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8 channel ToneMatch Mixer (stereo) |
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| 2018 - Present |
| Extremely Portable PA Battery powered |
| 2015 - Present |
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Flexible Array Loudspeaker and Subwoofer |
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| 2003 - 2007 |
 | Rounded front. The Output Panel has Amp1 Out, Amp2 Out, Amp3 Out |
| 2007 - 2012 |
 | Rounded front. The Output Panel has no outputs for Amp1, Amp2, Amp3.
The Output Panel and L1 Cylindrical Radiator® loudspeaker sections have orange L1® markers.
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| 2012 - 2020 |
 | Extending legs, one Cylindrical Radiator® (Top Array), Bottom Extension |
| 2007 - 2020 |
| Extending legs, two Cylindrical Radiator®s, Bass Line Out, |
| 2003 - 2020 |
 | Up to two per Power Stand (above). More if using the PackLite® power amplifier model A1. 2 x 5.25" drivers, 26.6 lb |
| 2012 - 2020 |
| Up to one per Power Stand (above). More if using the PackLite® power amplifier model A1. 2 x 10" drivers 45 lb. 3 position switch. |
| 2005 - 2020 |
| Allows bass expansion for L1 Classic L1 Model I L1 Model II (not L1 Compact not L1 Model 1S) |
| 2007 - 2018 |
 | T1 ToneMatch Audio Engine |
| 2009 - 2021 |
 | Integrated Power Stand and Bass Unit, two Extensions |
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Input/Output Panel
Overview
Input Gain
- Channels 1 and 2
- XLR infinity to + 49 dB
- 1/4" (6 mm) Balanced input infinity + 42 dB
- Aux
