Bose L1 Model 2 Power Stand Manual

The Bose L1 Model 2 Power Stand is a portable line array loudspeaker system designed for musicians, DJs, and presenters. It features a telescoping column with multiple integrated speakers, a powered base module with built-in mixing and tone controls, and a compact subwoofer. The system provides wide, even coverage for audiences in various venues. Below are key sections for safety, features, setup, operation, and troubleshooting.

1. Features at a Glance 2. Unpacking and Inspection 3. System Setup 4. Specifications 5. Controls and Connections 6. Connecting Audio Sources 7. Operating the System 8. Tonal Adjustments & Presets 9. Care & Maintenance 10. Regulatory & Compliance 11. Troubleshooting

Features at a Glance

Key components: Telescoping Loudspeaker Column, Powered Base Module (with amplifier and mixer), Compact Bass Module, Remote Control, Power Cable, and Connection Cables.

Feature	Description
Telescoping Column	Extends to 8 feet for optimal sound dispersion; locks securely at multiple heights
Powered Base Module	Integrated amplifier, 3-channel mixer, tone controls, and system power
Compact Bass Module	Provides low-frequency reinforcement; connects to base module
Channel Inputs	3 channels with XLR/¼" combo jacks, individual volume and tone controls
Master Controls	Master Volume, Tone (Bass/Treble), and System Power
Remote Control	Wireless remote for volume and mute functions (optional)
Carrying Bags	Included bags for column and base module for easy transport
Power Input	Universal voltage (100-240V AC, 50/60Hz) for worldwide use
Output Connectors	Link output for connecting a second L1 system or subwoofer
Protection Circuits	Thermal and overload protection for amplifier and speakers

Unpacking and Inspection

Carefully unpack all components and inspect for damage.

Column: Remove from bag, inspect speakers and connectors.
Base Module: Check for physical damage to controls and input jacks.
Bass Module: Inspect cabinet and connector.
Cables & Remote: Verify all included cables and remote (if applicable) are present.

WARNING! The column and base are heavy; use proper lifting technique or two people to avoid injury.

System Setup

Assemble and position the system for optimal performance.

Place Base Module: Set on a stable, level surface.
Attach Column: Align column with base module connector and twist to lock securely.
Extend Column: Unlock column sections, extend to desired height, and re-lock.
Connect Bass Module: Use included cable to connect bass module to base module output.
Power Connection: Plug power cord into base module and then into a grounded AC outlet.

CAUTION! Ensure the system is on a stable surface and not in a walkway. Keep cables organized to prevent tripping.

Specifications

System Type: Portable Line Array with Integrated Amplification.
Column Height (Extended): Approx. 8 feet (2.44 meters).
Amplifier Power: Custom-designed Bose amplification for column and bass module.
Input Channels: 3 channels with combo XLR/¼" jacks (mic/line level).
Tone Controls: Global Bass and Treble adjustment; per-channel tone shaping.
Frequency Response: Tailored for vocal and musical instrument reinforcement.
Coverage Pattern: 180-degree horizontal dispersion for even audience coverage.
Power Requirements: 100-240V AC, 50/60Hz, auto-switching.
Operating Temperature: 0°C to 40°C (32°F to 104°F).
Included Accessories: Power cable, connection cables for bass module, carrying bags.

Controls and Connections

Base Module Front Panel: POWER switch, CHANNEL 1-3 VOLUME knobs, CHANNEL TONE knobs, MASTER VOLUME, BASS/TREBLE knobs.

Rear Panel: CHANNEL INPUTS (XLR/¼" combo), LINK OUTPUT, BASS MODULE OUTPUT, AC POWER INPUT, FUSE HOLDER.

Channel Controls: Each channel has VOLUME, TONE (adjusts midrange character), and a switch for MIC/LINE input level. Master Section: MASTER VOLUME, BASS, TREBLE. System: POWER switch. Remote (optional): VOLUME UP/DOWN, MUTE.

Connecting Audio Sources

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

Turn MASTER VOLUME down and power off the system before connecting.
Microphones: Use XLR cable into Channel input; set switch to MIC.
Instruments (e.g., guitar, keyboard): Use ¼" cable; set switch to LINE.
Playback Devices (e.g., phone, laptop): Use ⅛" to dual ¼" or XLR cable into a channel set to LINE.
After connections, power on the system and slowly raise MASTER VOLUME.

Tip: Start with all channel volumes at minimum. Use the LINK output to daisy-chain a second L1 system or an additional Bose subwoofer.

Operating the System

Power on sequence and basic operation for optimal sound.

Power On: Ensure MASTER VOLUME is down. Flip POWER switch on base module rear.
Set Channel Levels: Start with source, then raise channel volume to desired mix level.
Set Master Level: Raise MASTER VOLUME to achieve overall room volume.
Adjust Tone: Use global BASS/TREBLE and per-channel TONE to shape sound.
Muting: Use optional remote MUTE or turn MASTER VOLUME down quickly.
Power Off: Lower MASTER VOLUME, then turn POWER switch off.

WARNING! Avoid turning the system on with volume high to prevent speaker damage and loud pops. Never expose the system to rain or moisture.

Tonal Adjustments & Presets

Optimize sound for different sources and rooms.

Channel TONE Knob: Adjusts midrange character. Center position is flat. Turn clockwise for more presence (vocals), counter-clockwise for warmer sound (acoustic guitar).

Global BASS/TREBLE: Affects all channels. Adjust to suit room acoustics.

Starting Presets (approximate settings):

Vocals: Channel TONE at 12 o'clock, global TREBLE slightly raised.
Acoustic Guitar: Channel TONE slightly counter-clockwise, global settings flat.
Playback Music: Channel set to LINE, global BASS and TREBLE to taste.

Care & Maintenance

Unplug from power before cleaning. Wipe exterior with a dry, soft cloth. For stubborn marks, lightly dampen cloth with water only. Do not use solvents or abrasive cleaners.

CAUTION! Do not spray cleaners directly on the system. Keep vents on base and bass modules clear of obstructions. Store in a dry place. Inspect cables regularly for wear.

Regulatory & Compliance

FCC Part 15: Class B digital device; complies with limits for residential installations. CE marked for European compliance. This product conforms to all applicable EU directive requirements. Copyright and trademarks are property of Bose Corporation. For the latest information, support, and authorized service, visit www.bose.com/support or contact Bose Customer Service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power / No sound	Power cable, fuse, volume	Check power connection and outlet. Verify rear power switch is on. Check fuse in base module. Ensure MASTER VOLUME and channel volumes are up.
Distorted sound	Overload, input level too high	Reduce channel volume and/or MASTER VOLUME. Ensure input switch (MIC/LINE) matches source.
Hum or buzz	Ground loop, cable issues	Try a different AC outlet. Ensure all audio cables are securely connected and in good condition. Use balanced XLR cables for long runs.
No sound from one channel	Source, cable, channel settings	Check source device. Try a different cable. Verify channel volume is up and input switch is correct.
Column not locking	Twist-lock mechanism	Ensure column is fully seated on base connector. Twist firmly clockwise until it clicks and feels secure.
Remote not working	Batteries, range, obstacles	Replace remote batteries. Ensure you are within range (approx. 50 feet) and pointing at the base module front. Remove obstacles.

Reset: Power the system completely off and unplug for 2 minutes, then restart.

Service: Do not open cabinets. For service, contact Bose Customer Support or an authorized Bose service center.