Bose L1 Pro32 Portable Line Array

Important Safety Instructions

Please read and keep all safety and use instructions.

Bose Corporation declares this product complies with essential requirements of Directive 2014/53/EU and other applicable EU directives. Declaration of conformity available at: www.Bose.com/compliance.

1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block any ventilation openings. Install per manufacturer's instructions.
8. Do not install near heat sources (radiators, stoves, amplifiers).
9. Do not defeat the safety purpose of polarized or grounding plugs. Consult an electrician for outlet replacement if needed.
10. Protect the power cord from being walked on or pinched.
11. Only use manufacturer-specified attachments/accessories.
12. Use only with specified carts, stands, tripods, brackets, or tables. Use caution when moving cart/apparatus combinations to avoid tip-over.
13. Unplug during lightning storms or long periods of non-use.
14. Refer all servicing to qualified personnel. Servicing is required for damage (cord, plug, liquid spill, object insertion, exposure to rain/moisture, abnormal operation, drops).

Warnings and Cautions

⚠️ This symbol indicates uninsulated, dangerous voltage within the enclosure, posing a risk of electrical shock.

ℹ️ This symbol indicates important operating and maintenance instructions in this guide.

Contains small parts, choking hazard. Not suitable for children under 3.

Contains magnetic material. Consult physician if you have an implantable medical device.

Use at altitude less than 2000 meters only.

• Do NOT make unauthorized alterations.
• Do NOT use in vehicles or boats.
• Do NOT place in confined spaces (wall cavity, enclosed cabinet) while in use.
• Do NOT place near heat sources (fireplaces, radiators, amplifiers).
• Keep away from fire and heat sources. Do NOT place naked flame sources (e.g., candles) on or near the product.
• To reduce fire/shock risk, do NOT expose to rain, liquids, or moisture.
• Do NOT expose to dripping or splashing; do not place liquid-filled objects (vases) on or near the product.
• Do NOT use a power inverter.
• Ensure protective earthing connection before connecting to mains socket outlet.
• The mains plug or appliance coupler shall remain readily operable as a disconnect device.

When wrapping or coiling the cable, ensure the coil diameter is at least 20 cm (8 inches) to prevent stress and damage.

The SubMatch Cable is intended for use with Bose L1 Pro32, Sub1, and Sub2 products only. Do NOT use it to connect more than two Sub1/Sub2 subwoofers together.

Regulatory Information

This product complies with Ecodesign Requirements for Energy Related Products Directive 2009/125/EC, Regulation (EC) No. 1275/2008, and Regulation (EU) No. 801/2013.

Required Power State Information

Specifications

This equipment should be installed and operated with a minimum distance of 20 cm between radiator and your body.

The product label, including Model: 431389L32 and CMIIT ID, is located on the bottom of the product.

FCC Compliance Notice (US): This equipment complies with Part 15 of the FCC Rules for a Class B digital device. It generates, uses, and can radiate radio frequency energy. If it causes harmful interference to radio or television reception, try reorienting the antenna, increasing separation, connecting to a different circuit, or consulting a technician. Changes not expressly approved by Bose Corporation may void the user's authority to operate.

This device complies with Part 15 of the FCC Rules and ISED Canada's license-exempt RSS standard(s). Operation is subject to two conditions: (1) no harmful interference, and (2) acceptance of any interference received.

For Europe: Frequency band 2400 to 2483.5 MHz. Maximum transmit power < 20 dBm EIRP. SAR testing not required.

Disposal Symbol: This symbol indicates the product must not be discarded as household waste. Deliver to an appropriate collection facility for recycling to protect natural resources, human health, and the environment. Contact your local municipality, disposal service, or retailer for more information.

Management Regulation for Low-power Radio-frequency Devices (Article XII & XIV): Prohibits unauthorized frequency changes, power enhancement, or alteration of characteristics. Devices shall not interfere with aircraft security or legal communications. Users must cease operation if interference occurs.

China Restriction of Hazardous Substances Table

O: Below limit requirement of GB/T 26572. X: Above limit requirement of GB/T 26572.

Taiwan Restriction of Hazardous Substances Table

Note 1: "o" indicates percentage content does not exceed reference value. Note 2: "-" indicates exemption.

Manufacturer and Importer Information

Date of Manufacture: The eighth digit in the serial number indicates the year of manufacture; "0" is 2010 or 2020.

China Importer: Bose Electronics (Shanghai) Company Limited, Part C, Plant 9, No. 353 North Riying Road, China (Shanghai) Pilot Free Trade Zone.

EU Importer: Bose Products B.V., Gorslaan 60, 1441 RG Purmerend, The Netherlands.

Mexico Importer: Bose de México, S. de R.L. de C.V., Paseo de las Palmas 405-204, Lomas de Chapultepec, 11000 México, D.F. For service or importer information, call +5255 (5202) 3545.

Taiwan Importer: Bose Taiwan Branch, 9F-A1, No. 10, Section 3, Minsheng East Road, Taipei City 104, Taiwan. Phone Number: +886-2-2514 7676.

Bose Corporation Headquarters: 1-877-230-5639.

Trademarks: Apple, App Store (Apple Inc.); Bluetooth® (Bluetooth SIG, Inc.); Google Play (Google LLC); Wi-Fi® (Wi-Fi Alliance®). Bose, L1, SubMatch, and ToneMatch are trademarks of Bose Corporation. Other trademarks are property of their respective owners.

Bose Privacy Policy available on the Bose website.

©2020 Bose Corporation. All rights reserved. No part of this work may be reproduced, modified, distributed or otherwise used without prior written permission.

For your records: Serial number: ___________________________________________________ Model number: ___________________________________________________

Warranty Information: This product is covered by a limited warranty. For details, visit global.bose.com/warranty.

Overview

Package Contents

The package includes:

• L1 Pro32 Array & Power Stand Bag
• SubMatch Cable

Visual Description of Package Contents: An illustration shows the L1 Pro32 components: a padded bag with handles, a power stand base with controls, a lower mid-high array section, and an upper mid-high array section, along with a power cord and a SubMatch cable.

Optional Accessories

• L1 Pro32 Array & Power Stand Bag
• SubMatch Cable

For additional information on L1 Pro accessories, visit PRO.BOSE.COM.

Setup

Connections and Controls

The L1 Pro32 features several controls and connection points on its power stand:

• Channel Parameter Control (q): Adjusts volume, treble, bass, or reverb for a channel. Press to switch parameters, rotate to adjust level.
• Signal/Clip Indicator (w): Green LED indicates signal presence; red indicates clipping or limiting. Reduce volume to prevent clipping.
• Channel Mute (e): Press to mute/unmute a channel. Muted button illuminates white.
• Channel ToneMatch Button (r): Selects ToneMatch preset (MIC for microphones, INST for instruments). LED illuminates white when selected. Use OFF if no preset is desired.
• Channel Input (t): Analog input for microphone (XLR), instrument (TS unbalanced), or line level (TRS balanced) cables.
• Phantom Power (y): Applies 48-volt power to channels 1 and 2. LED illuminates white when active. Use for condenser microphones. Press again to turn off. Note: Affects sources connected via XLR cable only.
• USB Port (u): USB-C connector for Bose service use only. Not compatible with Thunderbolt 3 cables.
• XLR Line Output (i): Connects line-level output to a Sub1/Sub2 or another bass module.
• ToneMatch Port (o): Connects to a T4S or T8S ToneMatch mixer via a ToneMatch cable. CAUTION: Do not connect to a computer or phone network.
• Standby Button (a): Press to power on/off the L1 Pro. LED illuminates white when on. Press and hold for 10 seconds to reset to factory settings.
• System EQ (s): Scrolls through and selects master EQ presets (OFF, LIVE, MUSIC, SPEECH). LED illuminates white for selected EQ. Note: Affects power stand/array audio only, not XLR Line Output.
• TRS Line Input (d): 6.4 mm (1/4-inch) TRS cable for line-level audio sources.
• Aux Line Input (f): 3.5 mm (1/8-inch) TRS cable for line-level audio sources.
• Bluetooth® Pair Button (g): Pairs Bluetooth devices. LED flashes blue when discoverable, solid white when paired.
• SubMatch Output (h): Connects a Sub1/Sub2 bass module with a SubMatch cable.
• Power Input (j): IEC power cord connection.

Assembling the Power Stand and Array

Before connecting to power, assemble the L1 Pro32:

1. Insert the lower mid-high array into the power stand.
2. Insert the upper mid-high array into the lower mid-high array.

The L1 Pro32 can be used without the upper array if ceiling height is limited.

Visual Description of Assembly: An illustration shows the power stand base, followed by the lower array being inserted into it, and then the upper array being inserted into the lower array.

Connecting Power and a Sub1/Sub2

Follow these steps to connect power and an optional Sub1/Sub2 bass module:

1. Plug the SubMatch cable into the SubMatch Input on a Sub1/Sub2.
2. Plug the other end of the SubMatch cable into the SubMatch Output of the L1 Pro32.
3. Plug the power cord into the Power Input on the L1 Pro32.
4. Plug the other end of the power cord into a live electrical outlet.

Note: Do not power on the L1 Pro until sources are connected. See "Connecting Sources" on page 9.

Press the Standby Button (a) to power on the L1 Pro. The LED will illuminate white. Press and hold for 10 seconds to reset to factory settings.

For Sub1/Sub2 setup, refer to its owner's guide at PRO.BOSE.COM.

Note: When connecting two Subs, power on the Sub connected directly to the L1 Pro32 first, then the second Sub.

AutoOff/Low-power Standby

The L1 Pro enters AutoOff/Low-power Standby mode after four hours of inactivity to save power. Press the Standby Button to wake it. This mode cuts power to connected Sub1/Sub2 units via SubMatch cable; press the Sub's Standby Button to wake them.

To disable/enable AutoOff/Low-power Standby: Press and hold all three Channel Parameter Controls for 10 seconds, or use the L1 Mix app settings. Disabling increases energy usage when idle.

Connecting Sources

Channel 1 & 2 Controls

Channels 1 and 2 are for microphones, guitars, keyboards, and other instruments. They support various input types with proper gain staging.

1. Connect your sound source to the Channel Input (t) with the appropriate cable.
2. Apply a ToneMatch preset by pressing the Channel ToneMatch Button (r) until the desired preset LED illuminates. Use MIC for microphones and INST for acoustic guitars/instruments. Use OFF for no preset. (Custom presets can be selected via the L1 Mix app; the LED will be green.)
3. Press the Channel Parameter Control (q) to select a parameter (volume, treble, bass, reverb). The parameter name LED illuminates white.
4. Rotate the Channel Parameter Control (q) to adjust the selected parameter's level. The parameter LED indicates the level.

Note: To mute reverb, press and hold the control for two seconds while Reverb is selected. The Reverb LED will flash white. Press and hold again to unmute. Reverb mute resets when powered off.

Visual Description of Connections (Channels 1 & 2): An illustration shows an XLR cable connecting a microphone to Channel 1 Input, and a 1/4-inch TS cable connecting a guitar to Channel 2 Input.

Channel 3 Controls

Channel 3 is for Bluetooth® enabled devices and line-level audio inputs.

Bluetooth Pairing

To manually connect a Bluetooth device:

1. Turn on the Bluetooth feature on your mobile device.
2. Press and hold the Bluetooth® Pair Button (g) for two seconds. The LED will flash blue when ready to pair.
3. Select your L1 Pro32 from your device's Bluetooth list. The LED will illuminate solid white when paired successfully.

Note: Disable notifications or enable airplane mode on your connected device to prevent interruptions.

TRS Line Input

A mono input for connecting line-level audio sources (mixers, instrument effects) using a 6.4 mm (1/4-inch) TRS cable.

Aux Line Input

A stereo input for connecting line-level audio sources (mobile devices, laptops) using a 3.5 mm (1/8-inch) TRS cable.

L1 Mix App Control

Download the Bose L1 Mix app for additional device control and audio streaming. Follow in-app instructions for connection and usage.

App Features include: Adjust channel volume, adjust channel mixer parameters, adjust system EQ, enable channel mute, enable reverb mute, enable phantom power, access ToneMatch preset library, save scenes.

Additional Adjustments

Channel Mute

Press the Channel Mute button (e) to mute/unmute an individual channel. The button illuminates white when muted.

Phantom Power

Press the Phantom Power button (y) to apply 48-volt power to channels 1 and 2. The LED illuminates white when active. Use for condenser microphones. Press again to turn off. Note: Affects sources connected via XLR cable only.

System EQ

Press the System EQ button (s) to cycle through presets: OFF, LIVE, MUSIC, SPEECH. The corresponding LED illuminates white. The selected EQ stays active after power cycling. Note: System EQ affects power stand/array audio only, not XLR Line Output audio.

Setup Scenarios

The L1 Pro32 can be placed on the floor or an elevated stage. WARNING: Do not place in unstable locations. CAUTION: Do not block ventilation holes. Avoid sand or grass to prevent debris entry.

All scenarios require at least one Sub1 or Sub2 bass module. Refer to the Sub1/Sub2 owner's guide for settings.

Musician (with Sub)

Visual Description: Connect a microphone via XLR to Channel 1 Input. Connect a guitar via 1/4-inch TS to Channel 2 Input. Connect a Sub1/Sub2 to the L1 Pro32's SubMatch Output.

Musician with Mobile Device (with Sub)

Visual Description: Connect a microphone via XLR to Channel 1 Input. Connect a guitar via 1/4-inch TS to Channel 2 Input. Connect a mobile device via 3.5mm TRS to the Aux Line Input (Channel 3). Connect a Sub1/Sub2 to the L1 Pro32's SubMatch Output.

Band (with Sub)

Visual Description: Connect a microphone via XLR to Channel 1 Input. Connect a guitar via 1/4-inch TS to Channel 2 Input. Connect a keyboard via 1/4-inch TS to Channel 3 Input (or Aux). Connect a Sub1/Sub2 to the L1 Pro32's SubMatch Output.

Musician with T8S Mixer (with Sub)

Visual Description: Connect the T8S ToneMatch mixer to the L1 Pro32's ToneMatch Port using a ToneMatch cable. Connect instruments and microphones to the T8S mixer. Connect a Sub1/Sub2 to the L1 Pro32's SubMatch Output. Note: T8S left channel audio is delivered only.

Musician (with Analog Sub Connection)

Visual Description: Connect a microphone via XLR to Channel 1 Input. Connect a guitar via 1/4-inch TS to Channel 2 Input. Connect the L1 Pro32's Line Out to the Line In 1 of a Sub1/Sub2. Connect a Sub1/Sub2 to the L1 Pro32's SubMatch Output.

Musician Stereo with T4S Mixer (with Two Subs)

Visual Description: Connect the T4S ToneMatch mixer to the L1 Pro32's ToneMatch Port using a ToneMatch cable. Connect the T4S mixer's Left Main Out to Channel 1 Input and Right Main Out to Channel 2 Input of the L1 Pro32. Connect two Sub1/Sub2 bass modules to the L1 Pro32's SubMatch Outputs.

DJ Stereo (with Two Subs)

Visual Description: Connect DJ mixer Left output to Channel 1 Input via 1/4-inch TS. Connect DJ mixer Right output to Channel 2 Input via 1/4-inch TS. Connect two Sub1/Sub2 bass modules to the L1 Pro32's SubMatch Outputs. *Alternate Connection: Use TRS Line Input for wider volume control.

DJ Mono (with Two Stacked Subs)

Visual Description: Connect DJ mixer output to Channel 1 Input via 1/4-inch TS. Connect two Sub1/Sub2 bass modules stacked, with the first Sub's Line Out connected to the second Sub's Line In 1 via XLR cable. Connect the first Sub to the L1 Pro32's SubMatch Output. *Alternate Connection: Use TRS Line Input for wider volume control. **Alternate Connection: Analog connection for subs, requiring power source for each Sub if not using SubMatch.

DJ Mono (with Two Stacked Cardioid Subs)

Visual Description: Connect DJ mixer output to Channel 1 Input via 1/4-inch TS. Connect two Sub1/Sub2 bass modules stacked (Cardioid mode), with the first Sub's Line Out connected to the second Sub's Line In 1 via XLR cable. Connect the first Sub to the L1 Pro32's SubMatch Output. *Alternate Connection: Use TRS Line Input for wider volume control. **Alternate Connection: Analog connection for subs, requiring power source for each Sub if not using SubMatch.

DJ Stereo (with Four Stacked Subs)

Visual Description: Connect DJ mixer Left output to Channel 1 Input via 1/4-inch TS. Connect DJ mixer Right output to Channel 2 Input via 1/4-inch TS. Connect four Sub1/Sub2 bass modules stacked (two per side), with each pair connected via analog cables and then to the L1 Pro32's SubMatch Outputs. *Alternate Connection: Use TRS Line Input for wider volume control.

Musician Dual Mono (with Two Subs)

Visual Description: Connect microphone via XLR to Channel 1 Input. Connect guitar via 1/4-inch TS to Channel 2 Input. Connect a second L1 Pro32 (or similar) via Line Out to the second L1 Pro32's Channel 1 Input. Connect two Sub1/Sub2 bass modules to the L1 Pro32's SubMatch Outputs. *Alternate Connection: Use TRS Line Input for wider volume control.

Musician with S1 Pro Monitor (with Sub)

Visual Description: Connect microphone via XLR to Channel 1 Input. Connect guitar via 1/4-inch TS to Channel 2 Input. Connect the L1 Pro32's Line Out to the Input of an S1 Pro Monitor. Connect a Sub1/Sub2 bass module to the L1 Pro32's SubMatch Output. *Alternate Connection: Use TRS Line Input for wider volume control.

Care & Maintenance

Cleaning Your L1 Pro

• Before cleaning, disconnect the L1 Pro32 from AC power.
• Clean the enclosure with a soft, dry cloth. Vacuum the grille if necessary.
• Gently wipe vent areas (rear/bottom) with a cloth to remove debris. Avoid pushing debris into openings.
• With the array removed from the power stand, clean vent openings near the array output connector. Avoid pushing debris into the L1 Pro32.

CAUTION: Do not use solvents, chemicals, or cleaning solutions containing alcohol, ammonia, or abrasives.

CAUTION: Do not use sprays near the product or allow liquids to spill into openings.

Troubleshooting