Bose L1 Model 2 B2 Manual

The Bose L1 Model 2 B2 is a portable line array loudspeaker system designed for musicians, DJs, and presenters. It features a modular design with a power stand, bass module (B2), and line array columns, delivering wide, even coverage with minimal setup. Key elements include ToneMatch audio processing, multiple input channels, remote control capability, and integrated carrying cases. Below are essential sections covering safety, features, setup, operation, and troubleshooting.

Features at a Glance

Core system elements: Power Stand with built-in amplifier and ToneMatch processing, B2 Bass Module, Line Array Columns, Remote Control, and carrying solutions.

Feature	Description
Power Stand	Integrated amplifier, ToneMatch processing, and input channels
B2 Bass Module	Extended low-frequency response, connects to power stand
Line Array Columns	Provide wide, even coverage with minimal feedback
ToneMatch Processing	Preset EQ and processing for various instruments and mics
Input Channels	Multiple channels with combo XLR/TRS jacks and individual controls
Remote Control	Optional remote for adjusting volume and basic settings
Carrying Cases	Integrated bags for transport and protection
Power Input	Universal voltage support (100-240V AC)
Output Connectors	Link output for connecting additional systems
Setup Height	Adjustable column configuration for different venues

System Components

Unpack and verify all items are present.

1. Power Stand: Main control unit with amplifier and processing.
2. B2 Bass Module: Handles low frequencies; connects to power stand.
3. Line Array Columns: Two columns that attach to power stand.
4. Cables: Power cable and link cables for bass module.
5. Remote Control (optional): For wireless control.
6. Carrying Bags: For each major component.

WARNING! The bass module is heavy; lift with proper technique or use two people.

Initial Setup & Assembly

Follow these steps to assemble the system safely.

1. Place the Power Stand on a stable, level surface.
2. Connect the B2 Bass Module to the Power Stand using the provided link cable.
3. Attach the Line Array Columns to the top of the Power Stand, ensuring they click into place securely.
4. Connect the power cable to the Power Stand and then to a grounded AC outlet.
5. Power on the system using the switch on the back of the Power Stand.

CAUTION! Ensure all connections are secure before applying power. Do not stack components improperly.

Technical Specifications

• System Type: Portable Line Array with Bass Module.
• Amplifier Power: Integrated Class-D amplifier (Power Stand).
• Frequency Response: Full-range coverage with extended bass (B2 module).
• Inputs: 4 channels with combo XLR/TRS jacks, stereo RCA aux input.
• Processing: Bose ToneMatch presets for instruments and microphones.
• Coverage: 180-degree horizontal dispersion.
• Maximum SPL: Sufficient for small to medium venues.
• Power Requirements: 100-240V AC, 50/60Hz.
• Operating Temperature: 0°C to 40°C (32°F to 104°F).

Controls & Connections

Primary controls are located on the top panel of the Power Stand.

Front/Top Panel: Channel volume knobs, master volume, ToneMatch selector knobs per channel, power indicator.

Rear Panel: Power switch, AC input, link output for bass module, system link output.

Remote Control (optional): Controls master volume, mute, and channel on/off.

ToneMatch Settings: Select presets for acoustic guitar, vocal mic, keyboard, etc., using the selector knobs.

Connecting Audio Sources

Connect microphones, instruments, and playback devices to the input channels.

1. Turn off the system and all audio sources before making connections.
2. Use balanced XLR or TRS cables for microphones and line-level instruments.
3. Connect a stereo playback device (e.g., smartphone, tablet) to the RCA AUX input.
4. For each channel, select the appropriate ToneMatch preset based on the source.
5. Power on the system, then power on your audio sources.

Tip: Start with all volume controls at minimum and gradually increase to avoid loud surprises.

Operating the System

Basic operation for performance or playback.

1. Power On: Switch on the Power Stand; indicator lights will illuminate.
2. Set Levels: Adjust each channel's volume knob while monitoring the source.
3. Select ToneMatch Preset: Turn the ToneMatch knob for each channel to match the connected source (e.g., "Vocal Mic," "Acoustic Guitar").
4. Master Volume: Use the master volume knob to set the overall level.
5. Muting: Press a channel's ToneMatch knob to mute/unmute that channel.
6. Using the Remote: Point the optional remote at the Power Stand's front to adjust master volume or mute the system.

WARNING! Do not expose the system to excessive volume levels for extended periods to prevent hearing damage and equipment stress.

ToneMatch Processing

The ToneMatch system provides optimized audio settings for common sources.

• Presets Include: Various microphone types, acoustic guitar, electric guitar (with direct box), keyboard, and line-level devices.
• Usage: Rotate the ToneMatch knob on a channel until the desired preset name is displayed near the knob.
• Customization: While presets are optimized, you can make further adjustments using the channel's volume and, if available, a connected external EQ.

Note: Using the correct preset can significantly reduce feedback and improve sound quality.

Care & Maintenance

Proper care ensures long-term reliability.

• Unplug the system from AC power before cleaning.
• Wipe exterior surfaces with a soft, dry cloth.
• Do not use liquid cleaners, aerosols, or solvents.
• Store components in their provided carrying cases when not in use.
• Keep the system away from excessive heat, moisture, and dust.

CAUTION! Never allow liquid to enter any vents or connectors. Do not attempt to open or service internal components yourself.

Regulatory & Compliance

This device complies with relevant FCC and international standards as a Class B digital device. It is designed to minimize interference with other electronic equipment. The Bose L1 Model 2 system incorporates proprietary technologies protected by patents and trademarks. For detailed warranty information, regulatory declarations, and software license terms, visit the official Bose website. For technical support, contact Bose Customer Service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power / No lights	Power cable not connected; outlet issue	Check AC cable connections; try a different outlet; ensure power switch is ON.
No sound from system	Volume settings; mute active; input source	Check master and channel volumes; ensure no channels are muted; verify source is active and connected properly.
Distorted sound	Overloaded input; faulty cable	Reduce channel volume; check for damaged cables; ensure correct ToneMatch preset is selected.
Feedback or howling	Microphone too close to speakers; gain too high	Reposition microphone or speakers; reduce channel volume; use appropriate ToneMatch preset.
Remote not working	Batteries; line of sight	Replace remote batteries; ensure you are pointing remote at the front of the Power Stand within range.
One column not working	Loose connection	Power off system and check that both array columns are fully seated on the Power Stand.

Reset: If the system behaves unexpectedly, power it completely off, wait 30 seconds, and power it back on.

Service: For persistent issues, contact Bose Customer Support or an authorized service provider. Do not disassemble the product.