Bose L1 Model II Owners Manual

The Bose L1 Model II is a portable line array speaker system designed for musicians, DJs, and presenters. It features a modular design with a power stand, speaker arrays, and optional bass modules, delivering 180-degree horizontal sound coverage. The system includes tone controls, multiple input channels with independent volume and EQ, built-in feedback suppression, and remote control capability. Below are key sections for safety, features, setup, operation, and maintenance.

1. Features at a Glance 2. System Components 3. Initial Setup & Assembly 4. Specifications 5. Controls and Connections 6. Connecting Audio Sources 7. Operating the System 8. ToneMatch Settings 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Power Stand, L1 Speaker Arrays (one or two), optional B1 or B2 Bass Module, Remote Control, ToneMatch audio engine.

FeatureDescription
Power StandContains amplifiers, tone controls, and input channels
L1 Speaker ArrayColumn speaker providing 180-degree horizontal coverage
B1/B2 Bass ModuleOptional powered subwoofer for extended low-frequency response
ToneMatch Audio EnginePreset EQ settings optimized for specific instruments and microphones
Channel InputsThree independent channels with XLR/TRS combo jacks and 1/4" inputs
Feedback SuppressionBuilt-in system to reduce acoustic feedback
Remote ControlWireless remote for volume and mute adjustments from a distance
Power SwitchTurns system on/off; includes standby mode
Master VolumeControls overall system output level
Zone ControlsIndependent volume for main output and monitor output

System Components

Unpack and verify all components are present.

  1. Power Stand: Main control unit with amplifiers and processing.
  2. L1 Speaker Array(s): One or two column speakers.
  3. Bass Module (optional): B1 or B2 for enhanced bass.
  4. Remote Control: Wireless infrared remote.
  5. Power Cables: For power stand and bass module.
  6. Speaker Cables: For connecting arrays to power stand.

WARNING! System components are heavy; use care when lifting and assembling. Ensure stable placement.

Initial Setup & Assembly

Assemble the system on a flat, stable surface.

  1. Attach Speaker Array(s): Connect array(s) to top of power stand; secure with locking mechanism.
  2. Connect Bass Module (if used): Use included cable to connect bass module to power stand.
  3. Power Connections: Plug power stand (and bass module) into grounded AC outlets.
  4. System Power On: Turn power switch to ON; allow system to initialize (LED indicators will illuminate).
  5. Audio Connections: Connect microphones, instruments, or playback devices to input channels.

CAUTION! Do not connect or disconnect cables while system is powered on. Ensure all connections are secure before powering up.

Specifications

Controls and Connections

Front Panel: POWER switch, Channel volume knobs, Master Volume, Zone controls, ToneMatch selector.

Rear Panel: Input jacks (Channels 1-3), Bass Module output, Monitor output, Remote sensor, Power connector.

Channel Controls: VOLUME, BASS, MID, TREBLE, ToneMatch preset button. Master Section: MASTER VOLUME, MUTE (via remote), ZONE level (main/monitor). Remote: POWER, MUTE, MASTER VOLUME up/down, ZONE select.

Connecting Audio Sources

Connect microphones, instruments, or line-level devices to input channels.

  1. Turn system power OFF before making connections.
  2. Use balanced cables (XLR or TRS) for best noise rejection.
  3. Connect microphone to Channel 1 combo jack (XLR).
  4. Connect instrument to Channel 2 or 3 (1/4" TRS).
  5. Connect line-level device (e.g., music player) to Channel 3 (1/4" or RCA adaptor).
  6. Adjust channel volume and EQ as needed.

Tip: Start with channel volume at minimum, then gradually increase to avoid sudden loud sounds.

Operating the System

Basic operation for live sound or playback.

  1. Power On: Switch power stand to ON; wait for system ready (LED steady).
  2. Set ToneMatch: Press ToneMatch button on desired channel; select preset for your microphone or instrument.
  3. Adjust Channel Levels: Set each channel's volume and EQ to suit source.
  4. Set Master Volume: Adjust overall level with MASTER VOLUME.
  5. Use Zone Controls: Adjust balance between main output and monitor output if used.
  6. Mute: Press MUTE on remote to silence system temporarily.
  7. Power Off: Switch power stand to OFF after use.

WARNING! Avoid extreme volume levels that may cause hearing damage or speaker distortion.

ToneMatch Settings

ToneMatch presets optimize EQ for specific sources.

To select: Press ToneMatch button on channel, then use selector knob to choose preset. LED indicates selected preset.

Care & Maintenance

Unplug system before cleaning. Wipe exterior with dry, soft cloth. Do not use liquids or solvents.

CAUTION! Keep system away from moisture, extreme heat, and direct sunlight. Store in a dry, cool place when not in use.

Regulatory Information

FCC Compliance: This device complies with Part 15 of FCC rules. Operation is subject to interference that may cause undesired operation. Copyright © Bose Corporation. All rights reserved. Bose and L1 are trademarks of Bose Corporation. For support, visit www.bose.com/support or contact Bose Customer Service at 1-800-999-2673.

Troubleshooting

SymptomPossible CauseCorrective Action
No sound from systemPower/Mute/VolumeEnsure power is on; check mute status; increase master and channel volumes.
Distorted soundOverloaded inputReduce channel volume; check source level; ensure proper ToneMatch preset.
Feedback (howling)Microphone placementReposition microphone away from speakers; engage feedback suppression if available.
Remote not workingBatteries/obstructionsReplace remote batteries; ensure clear line of sight to remote sensor on power stand.
One array not workingConnection/cableCheck cable connection between array and power stand; ensure array is securely attached.
No bass outputBass module connectionVerify bass module is connected and powered on; check cable integrity.

Reset: Power cycle system (turn off, wait 30 seconds, turn on).

Service: For technical support, contact Bose Customer Service at 1-800-999-2673 or visit www.bose.com/support.

Bose L1 Model II Owners Manual © - All Rights Reserved 2025