Sudio SD-1911

Sudio S2 Bluetooth Speaker User Manual

Model: SD-1911 | Brand: Sudio

1. Introduction and Overview

The Sudio S2 is a compact and portable Bluetooth speaker designed to deliver high-quality audio for various environments, from home use to outdoor adventures. Featuring robust sound, long battery life, and IPX5 water resistance, it is built for convenience and durability, allowing you to enjoy your music wherever you go.

2. Package Contents

Please check the box for the following items:

  • Sudio S2 Bluetooth Speaker
  • USB-C Charging Cable
  • Quick Start Guide

3. Product Features

3.1 Great Sound Quality

With crystal highs, crisp mids, and rich bass, the S2 creates an immersive listening experience. State-of-the-art bass radiators and a dynamic driver deliver high-quality sound without distortion, even at maximum volume.

Sudio S2 speaker held close to an ear, illustrating its great sound quality.

Image: The Sudio S2 speaker, demonstrating its ability to fill your space with stunning, powerful sound.

3.2 Pocket Size Design

Elevate your audio experience with our stylish portable mini speaker that is designed to be light and compact, enhancing your on-the-go lifestyle. Its compact size allows for easy storage in your pocket, purse, or gym bag, making it the perfect travel companion.

Sudio S2 speaker held in a hand, highlighting its compact and portable design.

Image: The Sudio S2 speaker, showcasing its super slim and compact design that fits easily in your pocket.

3.3 Broadcast Function (TWS Pairing)

Play up to two speakers together for an enhanced stereo sound experience. The advanced internal antenna design with Bluetooth 5.3 provides fast connection and an incredible wireless Bluetooth range of up to over 30 unobstructed feet (10 meters) from your device. It connects easily with Android, iOS, and all other Bluetooth devices.

Two Sudio S2 speakers stacked, illustrating the broadcast function for stereo pairing.

Image: Two Sudio S2 speakers, demonstrating the broadcast function that allows pairing for an amplified sound experience.

3.4 IPX5 Waterproof

This waterproof speaker is perfect for all sorts of fun, resistant to splashes of sweat, water, and rain. Ideal for pool parties, beach lounging, or shower singing.

Multiple Sudio S2 speakers lined up, emphasizing their IPX5 waterproof rating.

Image: The Sudio S2 speaker, highlighting its IPX5 waterproof rating, resistant to splash of sweat, water, and rain.

3.5 Long Battery Time

Keep the music pumping all day long. The powerful battery guarantees up to 30 hours of continuous use, allowing you to enjoy your favorite songs whenever, wherever you please.

Sudio S2 speaker with text indicating long battery life.

Image: The Sudio S2 speaker, illustrating its long battery life for immersive music all day long.

3.6 Stylish Colors

Make a fashion statement with our portable mini speakers, available in 4 colors: Beige, Black, Blue, and Grey.

Four Sudio S2 speakers in different colors: Beige, Black, Blue, and Grey.

Image: The Sudio S2 speaker, available in 4 stylish colors to match your preference.

4. Setup

4.1 Charging the Speaker

Before first use, fully charge the Sudio S2 speaker using the provided USB-C cable. Connect the USB-C end to the speaker's charging port and the other end to a compatible USB power adapter (not included). The charging indicator light will show the charging status and turn off when fully charged.

4.2 Power On/Off

To turn the speaker ON, press and hold the power button (located on the side, usually indicated by a power symbol) for approximately 2-3 seconds until you hear a power-on sound and the indicator light illuminates.

To turn the speaker OFF, press and hold the power button again for approximately 2-3 seconds until you hear a power-off sound and the indicator light turns off.

4.3 Bluetooth Pairing

  1. Ensure the Sudio S2 speaker is powered on. It will automatically enter pairing mode, indicated by a rapidly flashing blue LED light.
  2. On your device (smartphone, tablet, computer, etc.), enable Bluetooth and search for new devices.
  3. Select 'Sudio S2' from the list of available devices.
  4. Once connected, the LED light on the speaker will turn solid blue, and you will hear a confirmation sound.

5. Operating Instructions

5.1 Basic Audio Playback

Once successfully paired, play audio from your connected device. The sound will be streamed wirelessly to your Sudio S2 speaker.

5.2 Volume Control

  • Press the '+' button on the speaker to increase volume.
  • Press the '-' button on the speaker to decrease volume.
  • You can also adjust the volume directly from your connected device.

5.3 Track Control

  • Press the Play/Pause button once to play or pause the current track.
  • Double-press the '+' button to skip to the next track.
  • Double-press the '-' button to go back to the previous track.

5.4 Broadcast Function (TWS Pairing for Stereo Sound)

To connect two Sudio S2 speakers for a true wireless stereo experience:

  1. Ensure both Sudio S2 speakers are powered on and are NOT connected to any Bluetooth device.
  2. On one of the speakers (this will be your primary speaker), press and hold the Broadcast Function button (often indicated by a chain link or infinity symbol) for a few seconds until you hear a pairing prompt.
  3. The two speakers will automatically search for and connect to each other. You will hear a confirmation sound once they are successfully paired.
  4. Now, connect your device to the primary speaker (the one you initiated TWS pairing on) as described in the 'Bluetooth Pairing' section (4.3).
  5. Audio will now play in stereo, with one speaker handling the left channel and the other the right.

6. Maintenance

6.1 Cleaning

Wipe the speaker with a soft, slightly damp cloth. Do not use harsh chemicals, abrasive cleaners, or solvents, as these may damage the surface or internal components. Ensure the charging port is completely dry before charging.

6.2 Storage

When not in use for extended periods, store the Sudio S2 speaker in a cool, dry place away from direct sunlight, extreme temperatures, and excessive humidity.

6.3 Battery Care

To prolong the lifespan of the speaker's battery, avoid fully discharging it frequently. It is recommended to charge the speaker regularly, even if not in constant use, to maintain optimal battery health.

7. Troubleshooting

ProblemPossible CauseSolution
Speaker won't turn onLow batteryCharge the speaker fully.
No Bluetooth connectionSpeaker not in pairing mode / Device Bluetooth offEnsure speaker is in pairing mode (flashing blue LED). Turn on Bluetooth on your device. Forget 'Sudio S2' on your device and re-pair.
No sound from speakerVolume too low / Device not playing audio / Incorrect audio output selected on deviceIncrease speaker and device volume. Check if audio is playing on your device. Ensure 'Sudio S2' is selected as the audio output.
Sound distortionVolume too high / Weak Bluetooth signalReduce volume on speaker or device. Move your device closer to the speaker (within 30 feet/10 meters).
TWS pairing failsSpeakers already connected to a device / Speakers too far apart / Incorrect pairing procedureDisconnect both speakers from any devices. Ensure speakers are within close proximity (e.g., 1-2 meters). Follow the TWS pairing steps precisely.

8. Specifications

FeatureDetail
Model NameSudio S2
Model NumberSD-1911
Speaker TypePortable
ConnectivityBluetooth 5.3
Waterproof RatingIPX5
Battery LifeUp to 30 hours
Dimensions (DxWxH)1.61" x 3.54" x 2.99" (4.1cm x 9cm x 7.6cm)
Weight210 Grams (7.4 ounces)
Control MethodTouch
Power SourceBattery Powered
Included ComponentsSpeaker, Quick Start Guide
Maximum Bluetooth Range32.8 Feet (10 meters)
Audio Driver TypeDynamic Driver
Speaker Maximum Output Power5 Watts
Frequency Response160.2 KHz

9. Warranty and Support

The Sudio S2 Bluetooth Speaker comes with a Limited Warranty provided by Sudio. For detailed warranty terms, conditions, and to register your product, please visit the official Sudio website. For technical support, troubleshooting assistance, or any other inquiries, please contact Sudio customer service through their official channels.

You can find more information and support at the Sudio Brand Store on Amazon.

© 2024 Sudio. All rights reserved.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.

After a successful submission, we securely hash the supplied account or form email before sending it to Microsoft Advertising for conversion attribution. Privacy details.