Bose S1 Pro+

Bose S1 Pro+ Multi-Position PA System and Wireless Mic/Line Transmitter User Manual

Model: S1 Pro+

Introduction

This manual provides essential information for the safe and efficient operation of your Bose S1 Pro+ Multi-Position PA System and Wireless Mic/Line Transmitter. Please read this manual thoroughly before using the product and retain it for future reference.

Bose S1 Pro+ Multi-Position PA System with wireless transmitter

Image: The Bose S1 Pro+ Multi-Position PA System, shown with a wireless microphone transmitter connected.

Safety Information

Always follow basic safety precautions when using this product to reduce the risk of fire, electric shock, and injury to persons.

  • Read these instructions.
  • Keep these instructions.
  • Heed all warnings.
  • Follow all instructions.
  • Do not use this apparatus near water.
  • Clean only with a dry cloth.
  • Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
  • Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
  • Only use attachments/accessories specified by the manufacturer.
  • Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way.

Package Contents

  • Bose S1 Pro+ Multi-Position PA System
  • Wireless Mic/Line Transmitter (XLR type)
  • AC Power Cable
  • User Manual (this document)

Setup

1. Charging the Battery

The S1 Pro+ system includes a factory-installed Li-ion battery. Before initial use, fully charge the battery by connecting the AC power cable to the system and a power outlet. The charging indicator will illuminate.

2. Positioning the System

The S1 Pro+ is designed for multi-position use. It can be placed in four main positions:

  • On a table: Lay the system horizontally on a flat surface.
  • Tilted back: Tilt the system back on its edge for upward sound projection.
  • On a speaker stand: Use the integrated pole mount for elevated sound.
  • Vertically: Stand the system upright for a traditional PA setup.

The system features Auto EQ, which automatically adjusts the sound based on its orientation to ensure optimal performance.

3. Connecting the Wireless Mic/Line Transmitter

The included wireless mic/line transmitter pairs effortlessly with the S1 Pro+'s integrated wireless RF receiver.

  1. Ensure the S1 Pro+ system is powered on.
  2. Insert the XLR connector of the wireless transmitter into a microphone or line-level source.
  3. Power on the transmitter. It will automatically connect to the S1 Pro+ system.
  4. The S1 Pro+ has dedicated compartments for storing and charging these transmitters.

4. Wired Connections

The S1 Pro+ offers various wired input options:

  • Channels 1 & 2: XLR/1/4-inch combo jacks for microphones or instruments.
  • Channel 3: 1/8-inch (3.5mm) aux input for external audio devices.
  • USB-C: For livestreaming or connecting to a computer.

Operating

1. Powering On/Off

Press and hold the power button located on the rear panel to turn the system on or off.

2. Adjusting Volume and ToneMatch

Each channel (1 and 2) has independent controls for volume, EQ (bass/treble), and reverb. The integrated OLED screens provide visual feedback.

  • Volume: Rotate the corresponding knob to adjust the input level.
  • EQ: Press the knob to cycle through EQ settings (e.g., flat, microphone, guitar). ToneMatch technology optimizes the sound for the selected source.
  • Reverb: Rotate the knob to add reverberation to the channel.

3. Bluetooth Streaming

The S1 Pro+ supports stereo Bluetooth streaming for channel 3.

  1. Activate Bluetooth on your mobile device.
  2. Press the Bluetooth pairing button on the S1 Pro+ (usually on Channel 3).
  3. Select "Bose S1 Pro+" from your device's Bluetooth list.
  4. Once paired, audio from your device will stream to the S1 Pro+.

4. Livestream Mode (USB-C)

Connect a USB-C cable from the S1 Pro+ to your computer for direct audio output for livestreaming applications. The system will appear as an audio interface.

5. Using the Bose Music App

For advanced control and features, download the Bose Music App from your device's app store. The app allows remote control of settings and access to additional functionalities.

Maintenance

1. Cleaning

Clean the exterior of the S1 Pro+ system with a soft, dry cloth. Do not use liquid cleaners or solvents.

2. Battery Care

The integrated Li-ion battery provides up to 4 hours of operation for the wireless transmitter. For optimal battery life, avoid fully discharging the battery frequently and store the system in a cool, dry place when not in use for extended periods.

3. Storage

Store the system in a protective case or cover to prevent dust and physical damage.

Troubleshooting

ProblemPossible CauseSolution
No sound output
  • System not powered on.
  • Volume too low.
  • Input source not connected or active.
  • Wireless transmitter not paired or charged.
  • Ensure system is powered on.
  • Increase master and channel volumes.
  • Verify input connections and source output.
  • Check transmitter battery and pairing status.
Poor sound quality
  • Incorrect ToneMatch setting.
  • Input signal too high (clipping).
  • Environmental factors.
  • Adjust ToneMatch to match the input source (mic/guitar).
  • Reduce input gain to prevent clipping (monitor OLED screen).
  • Adjust system positioning or room acoustics.
Wireless transmitter not connecting
  • Transmitter battery low.
  • Out of range.
  • Interference.
  • Charge the transmitter.
  • Ensure transmitter is within 30 feet of the S1 Pro+.
  • Move away from other 2.4GHz devices.

Specifications

Model NameS1 Pro+
ManufacturerBose
Connectivity TechnologyBluetooth, USB, Wi-Fi
ColorBlack
Compatible DevicesLaptop, Projector, Smartphone, Tablet
Mounting TypeTabletop, Pole Mount
Power SourceBattery Powered (Li-ion), AC Power
Connector TypeXLR, 1/4-inch, USB-C, 1/8-inch (3.5mm)
Number of Channels3
Enclosure MaterialMetal, Plastic
Item Weight14.4 pounds (6.53 kg)
Wireless Transmitter Range30 feet (9 meters)
Wireless Transmitter Battery LifeUp to 4 hours
UPC645781082625

Warranty Information

Bose products are covered by a limited warranty. For specific warranty terms and conditions applicable to your region, please refer to the warranty card included with your product or visit the official Bose website. Keep your proof of purchase for warranty claims.

Support

For technical support, product registration, or to download the latest firmware updates, please visit the official Bose support website: www.bose.com/support.

You can also contact Bose customer service directly. Contact information can be found on the support website.

© 2026 Bose Corporation. All rights reserved.

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