User manual
Table Of Contents
6 • English L1 Pro8/Pro16 Portable Line Array System • Owner's Guide
PRO.BOSE.COM
System Setup
System Setup
q Channel Parameter Control: Adjust the level of 
volume, treble, bass, or reverb for your desired 
channel. Press the control to switch between 
parameters; rotate the control to adjust the level 
of your selected parameter.
w Signal/Clip Indicator: The LED will illuminate 
green when a signal is present and will illuminate 
red when the signal is clipping or the system is 
entering limiting. Reduce the channel or signal 
volume to prevent signal clipping or limiting.
e Channel Mute: Mute the output of an individual 
channel. Press the button to mute the channel. 
While muted, the button will illuminate white.
r Channel ToneMatch Button: Select the 
ToneMatch preset for an individual channel. Use 
MIC for microphones and use INST for acoustic 
guitar. The corresponding LED will illuminate 
white while selected.
t Channel Input: Analog input for connecting 
microphone (XLR), instrument (TS unbalanced), 
or line level (TRS balanced) cables.
y Phantom Power: Press the button to apply 48-
volt power to channels 1 and 2. The LED will 
illuminate white while phantom power is applied.
u USB Port: USB-C connector for Bose service use. 
Note: This port is not compatible with 
Thunderbolt 3 cables.
i XLR Line Output: Use an XLR cable to connect 
the line-level output to a Sub1/Sub2 or another 
bass module.
o ToneMatch Port: Connect your L1 Pro to a T4S or 
T8S ToneMatch mixer via a ToneMatch cable.
 CAUTION: Do not connect to a computer or 
phone network. 
a Power Input: IEC power cord connection.
s Standby Button: Press the button to power on 
the L1 Pro. The LED will illuminate white while the 
system is on.
d System EQ: Press the button to scroll through 
and select a master EQ suitable for the use case. 
The corresponding LED will illuminate white while 
selected.
f TRS Line Input: Use a 6.4-millimeter (¼-inch) TRS 
cable to connect line-level audio sources.
g Aux Line Input: Use a 3.5-millimeter (⅛-inch) TRS 
cable to connect line-level audio sources.
h Bluetooth® Pair Button: Set up pairing with 
Bluetooth capable devices. The LED will flash 
blue while the L1 Pro is discoverable and 
illuminate solid white when a device is paired for 
streaming.
MUTE MUTE MUTE
PUSH
VOLUME
TREBLE
BASS
REVERB
VOLUME
TREBLE
BASS
REVERB
VOLUME
TREBLE
BASS
TREBLE
BASS
REVERB
VOLUME
TREBLE
BASS
REVERB
VOLUME
TREBLE
BASS
SYSTEM EQ
INST INST
OFF
SPEECH
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Connections and Controls










