Bose L1 System Manual

The Bose L1 System is a professional portable line array sound system designed for musicians, DJs, and presenters. It features compact column speakers with multiple drivers, a powered base unit with mixing capabilities, integrated tone match technology, multiple input channels, remote control options, and versatile mounting. Below are key sections for safety, features, setup, operation, and troubleshooting.

Features at a Glance

Key components: L1 Column Speaker, Powered Base Unit, Remote Control, ToneMatch input channels, multiple audio inputs, carrying bags.

Feature	Description
L1 Column Speaker	Line array design for wide, even sound dispersion
Powered Base Unit	Integrated amplifier and mixer with multiple channels
ToneMatch Processing	Optimizes sound for specific instruments and microphones
Channel Inputs	XLR, 1/4", and RCA inputs for various audio sources
Remote Control	Wireless remote for volume and basic controls
Carrying Bags	Protective transport for column and base unit
Power Switch	Turns system on/off
Volume Controls	Master volume and individual channel controls
Tone Controls	Bass, mid, treble adjustments per channel
Power Input	Standard AC power connection

System Components

Unpack and verify all components are present.

1. L1 Column Speaker: Contains multiple drivers in vertical array.
2. Powered Base Unit: Houses amplifier, mixer, and controls.
3. Remote Control: For wireless operation.
4. Power Cable: Standard AC power cord.
5. Audio Cables: Selection of XLR, 1/4", and RCA cables.
6. Carrying Bags: For transport and protection.

WARNING! System components are heavy; lift with proper technique. Ensure stable placement.

Setup & Installation

Assemble system in performance location.

1. Place Base Unit: Set on stable, level surface.
2. Attach Column: Align column with base unit connector and secure.
3. Connect Power: Plug power cable into base unit and wall outlet.
4. Connect Audio Sources: Use appropriate cables for microphones, instruments, or players.
5. Power On: Turn on base unit power switch.

CAUTION! Do not place near heat sources or in direct sunlight. Allow ventilation around base unit.

Specifications

• System Type: Portable line array sound system.
• Power Output: Varies by model (typically 250W-500W).
• Frequency Response: Full range coverage.
• Inputs: Multiple channels with XLR, 1/4", RCA connectors.
• ToneMatch: Preset EQ for common instruments and microphones.
• Coverage: 180-degree horizontal dispersion.
• Power Requirements: 120V AC, 60Hz (or local voltage).
• Operating Temp: Standard indoor performance conditions.

Controls and Connections

Base Unit Front Panel: Power switch, channel volume controls, master volume, tone controls.

Rear Panel: Input connectors for each channel, power input, remote receiver.

Remote: Power, volume up/down, mute, channel select.

Channel Controls: Gain, bass, mid, treble, reverb. Master Controls: Overall volume, system mute. ToneMatch: Select presets for guitar, vocals, keyboard, etc.

Connecting Audio Sources

Connect microphones, instruments, and audio players.

1. Turn off system before connecting devices.
2. Microphones: Use XLR cables to channel inputs.
3. Instruments: Use 1/4" cables for guitars, keyboards.
4. Audio Players: Use RCA or 1/8" to dual RCA cables.
5. Adjust input gain for each channel to avoid clipping.

Tip: Start with all volume controls at minimum, then gradually increase.

Operating the System

Basic operation for performances.

1. Power On: Switch on base unit; wait for system initialization.
2. Set Levels: Adjust channel gains so peak indicators flash occasionally.
3. Select ToneMatch: Choose appropriate preset for each input source.
4. Master Volume: Set overall volume to suit venue.
5. Performance: Use remote for volume adjustments during performance.
6. Power Off: Reduce volumes, then turn off power switch.

WARNING! Avoid feedback by proper microphone placement. Do not exceed maximum input levels.

ToneMatch Processing

ToneMatch technology optimizes sound for specific sources.

Access via ToneMatch button on each channel. Presets include: VOCAL (for microphones), ACOUSTIC GUITAR, ELECTRIC GUITAR, KEYBOARD, BASS, LINE (for recorded music). Each preset applies optimal EQ and processing for that source type.

Care & Maintenance

Unplug before cleaning. Wipe exterior with dry, soft cloth. Store in carrying bags when not in use.

CAUTION! Do not use liquids or aerosols. Keep away from moisture and extreme temperatures.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. Copyright © Bose Corporation. For support, visit www.bose.com or contact Bose customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound from system	Power/connections	Ensure power is connected and switched on; check audio cable connections.
Distorted sound	Input levels too high	Reduce channel gain; check for clipping indicators.
Feedback	Microphone placement	Reposition microphones away from speakers; reduce channel volume.
Remote not working	Batteries/obstructions	Replace batteries; ensure clear line of sight to base unit.
Hum or buzz	Ground loop/cable issues	Use balanced cables; ensure all connections are secure.

Reset: Power cycle system if issues persist.

Service: Contact Bose customer support or authorized service center.