DOSS SoundBox Ultra Bluetooth Speaker User Manual

1. Introduction

Thank you for choosing the DOSS SoundBox Ultra Bluetooth Speaker. This manual provides essential information for setting up, operating, and maintaining your speaker. Please read it thoroughly before use to ensure optimal performance and longevity of your device.

The DOSS SoundBox Ultra features 80W superior sound with deep bass, 2.1 channel audio, dual DSP technologies, and Bluetooth 5.3 connectivity, offering an immersive audio experience for various environments.

Image: The DOSS SoundBox Ultra Bluetooth Speaker, showcasing its sleek design.

2. Package Contents

Ensure all items are present in the package:

• 1 x DOSS SoundBox Ultra Bluetooth Speaker
• 1 x USB-C Charging Cable
• 1 x User Manual

3. Product Overview

3.1 Speaker Components

The DOSS SoundBox Ultra is designed with a 40W subwoofer, dual 20W inner magnet drivers, and bass reflex ducts for enhanced audio performance.

Image: Internal view of the DOSS SoundBox Ultra, highlighting the 40W subwoofer and two 20W inner magnetic drivers.

3.2 Control Panel and Ports

The speaker features intuitive touch controls on the top panel and various input ports on the rear for versatile connectivity.

Image: Rear panel of the DOSS SoundBox Ultra, displaying the USB-C charging port, USB-A port, Micro SD card slot, and 3.5mm Aux-in port.

• Power Button: Press and hold to turn on/off.
• Volume Up/Down: Adjust playback volume.
• Play/Pause Button: Control media playback.
• Mode Button (M): Switch between Bluetooth, Aux-in, USB, and TF card modes.
• Bass Boost Button: Toggle bass enhancement on/off.
• TWS Button: Initiate True Wireless Stereo pairing.
• USB-C Charging Port: For charging the speaker.
• USB-A Port: For USB flash drive playback.
• Micro SD Card Slot: For TF card playback.
• LINE IN (3.5mm Aux-in): For wired audio connection.

4. Setup and Connectivity

4.1 Charging the Speaker

Before first use, fully charge the speaker. Connect the provided USB-C charging cable to the speaker's USB-C port and the other end to a compatible USB power adapter (not included).

• The charging indicator light will show charging status.
• A full charge takes approximately 4.4 hours.

4.2 Bluetooth Pairing

1. Turn on the speaker by pressing and holding the Power button. The speaker will enter Bluetooth pairing mode automatically, indicated by a flashing LED.
2. On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
3. Select "DOSS SoundBox Ultra" from the list.
4. Once paired, the LED indicator will turn solid, and you will hear a confirmation tone.

Image: A smartphone displaying a successful Bluetooth connection to the DOSS SoundBox Ultra speaker.

4.3 True Wireless Stereo (TWS) Pairing

For an enhanced stereo experience, you can pair two DOSS SoundBox Ultra speakers together.

1. Ensure both speakers are powered on and not connected to any other Bluetooth device.
2. On one speaker, press the TWS button. It will emit a sound indicating it's searching for another speaker.
3. On the second speaker, press the TWS button. The speakers will automatically connect to each other.
4. Once paired, the LED indicators on both speakers will confirm the TWS connection. You can then connect your device to one of the speakers via Bluetooth as described in section 4.2.

Image: Two DOSS SoundBox Ultra speakers set up for True Wireless Stereo (TWS) pairing in a living room setting.

4.4 Other Playback Modes

The speaker supports multiple audio input options:

• Aux-in Mode: Connect an audio device using a 3.5mm audio cable to the LINE IN port. The speaker will automatically switch to Aux-in mode.
• USB Flash Drive Mode: Insert a USB flash drive into the USB-A port. The speaker will automatically detect and play audio files.
• TF Card Mode: Insert a Micro SD (TF) card into the Micro SD slot. The speaker will automatically detect and play audio files.

Use the Mode (M) button to cycle through the available input sources.

5. Operating Instructions

5.1 Basic Functions

• Power On/Off: Press and hold the Power button for 2 seconds.
• Volume Control: Use the Volume Up (+) and Volume Down (-) buttons.
• Play/Pause: Press the Play/Pause button.
• Next Track: Press and hold the Volume Up (+) button.
• Previous Track: Press and hold the Volume Down (-) button.
• Answer/End Call: Press the Play/Pause button during an incoming call.
• Reject Call: Press and hold the Play/Pause button during an incoming call.

5.2 Bass Boost Feature

The DOSS SoundBox Ultra includes a Bass Boost feature to enhance low-frequency audio. Press the Bass Boost button to toggle this feature on or off. When TWS paired, you can press and hold the M/Bass button on either speaker to enable or disable Bass Boost for both.

5.3 Battery Life

The speaker provides up to 18 hours of continuous playback on a full charge, depending on volume levels and audio content.

Image: The DOSS SoundBox Ultra speaker positioned on a coffee table, emphasizing its extended playtime.

6. Maintenance and Care

• Keep the speaker away from extreme temperatures, direct sunlight, and moisture.
• Clean the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Avoid dropping or subjecting the speaker to strong impacts.
• Do not attempt to disassemble or repair the speaker yourself. This will void the warranty.
• When not in use for extended periods, store the speaker in a cool, dry place and charge it periodically to maintain battery health.

7. Troubleshooting

8. Specifications

Image: Visual representation of the DOSS SoundBox Ultra speaker's dimensions.

9. Warranty and Support

9.1 Warranty Information

The DOSS SoundBox Ultra comes with a 1-Year Limited Warranty from the date of purchase, covering manufacturing defects and quality-related concerns. Please retain your proof of purchase for warranty claims.

This warranty does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.

9.2 Customer Support

If you encounter any issues or have questions regarding your DOSS SoundBox Ultra speaker, please contact our customer support team:

• Phone: 1-833-275-3677
• Email: support@dossav.com

Our team is committed to providing 24-hour prompt assistance and support.

Image: DOSS customer support contact details and a representative, emphasizing available assistance.