Stromberg Carlson Mega-Twin

Download PDF
Contents

Stromberg Mega-Twin 2-in-1 Portable Bluetooth Speaker User Manual

Model: Mega-Twin

Introduction

The Stromberg Mega-Twin is an innovative 2-in-1 portable Bluetooth speaker system designed for versatility and powerful audio performance. It can be used as a single unit or separated into two individual speakers to create an immersive stereo sound experience. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your Mega-Twin speaker.

Key features include:

  • Powerful 20W RMS Sound with dual 2.25" subwoofers for deep bass and clear audio.
  • Innovative 2-in-1 design with magnetic union for flexible use as a single or stereo pair.
  • Extended 11-hour playtime on a single charge.
  • Wireless Bluetooth and 3.5mm auxiliary input for versatile connectivity.
  • Splash-proof (IPX4) design for outdoor use.

What's in the Box

Please check the package contents to ensure all items are present:

  • Stromberg Mega-Twin Speaker (2 units, magnetically joined)
  • USB-C Cable
  • User Manual
Contents of the Stromberg Mega-Twin box including the speaker, USB-C cable, and user manual.

Figure 1: Included items in the Mega-Twin package.

Setup

1. Charging the Speaker

Before first use, fully charge your Mega-Twin speaker using the provided USB-C cable. Connect the USB-C cable to the charging port on each speaker unit and plug the other end into a compatible USB power adapter (not included).

2. Powering On/Off

Press and hold the power button on each speaker unit to turn them on or off. An indicator light will confirm the power status.

3. Bluetooth Pairing

  1. Ensure both Mega-Twin speaker units are powered on and separated.
  2. On your audio device (smartphone, tablet, etc.), enable Bluetooth.
  3. Search for available Bluetooth devices and select "Mega-Twin" from the list.
  4. The speakers will automatically connect to each other for stereo sound. A confirmation tone will sound once connected.

4. Magnetic Union and Separation

The Mega-Twin speakers feature a strong magnetic union, allowing them to snap together to form a single unit or be easily separated for stereo placement.

Two halves of the Stromberg Mega-Twin speaker separating, illustrating the magnetic closure feature.

Figure 2: Magnetic closure allows for easy separation and rejoining of the speaker units.

5. Auxiliary Input

For devices without Bluetooth, connect using a 3.5mm auxiliary cable (not included) to the AUX input port on one of the speaker units.

Close-up of the Stromberg Mega-Twin speaker showing Bluetooth and 3.5mm AUX input logos.

Figure 3: Connectivity options: Bluetooth and 3.5mm AUX input.

Operating Instructions

1. Volume Control

Use the '+' and '-' buttons on the speaker units to adjust the volume. You can also control the volume from your connected audio device.

2. Playback Control

Specific buttons for play/pause or track skipping may be present on the speaker units. Refer to the physical buttons on your device for exact functionality.

3. Stereo Sound (Stromberg Connect)

When both speaker units are powered on and within range, they will automatically link via Stromberg Connect to provide a true stereo experience. Place them in different areas of a room for an immersive soundstage.

4. Single Speaker Mode

If you only wish to use one speaker unit, simply power on only one unit and pair it via Bluetooth. The other unit can remain off or be used independently with another device.

5. Party Lights

The speaker units feature integrated lights that can enhance your listening experience. Consult the device's physical controls for options to activate or change light modes.

6. Splash-Proof Design (IPX4)

The Mega-Twin speaker is rated IPX4 splash-proof, meaning it can withstand splashes of water from any direction. It is suitable for outdoor use but should not be submerged in water.

Stromberg Mega-Twin speaker with water droplets, indicating its splash-proof IPX4 rating.

Figure 4: The speaker's IPX4 rating makes it resistant to splashes.

7. Product Overview Video

Video 1: An overview of the Stromberg Mega-Twin 2-in-1 speaker, demonstrating its features including the ability to separate for surround sound and party lights.

Maintenance

1. Cleaning

Wipe the speaker's exterior with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure charging ports are dry before charging.

2. Battery Care

To prolong battery life, avoid fully discharging the speakers frequently. Charge them regularly, even if not in use for extended periods. Store in a cool, dry place.

3. Storage

When storing the speakers, especially for long durations, ensure they are fully charged and kept in a protected environment away from extreme temperatures and direct sunlight.

Troubleshooting

1. Speaker Not Working / Connectivity Issues

If one of the speakers is not working or you are experiencing connectivity issues:

  1. Turn off Bluetooth on your phone or audio device.
  2. Turn on both Mega-Twin speaker units.
  3. Wait for both units to connect to each other (a confirmation tone will sound).
  4. Reconnect your phone or audio device to the "Mega-Twin" via Bluetooth.
Troubleshooting steps for the Stromberg Mega-Twin speaker, showing how to reconnect if one unit is not working.

Figure 5: Visual guide for troubleshooting speaker connectivity.

2. No Sound

  • Ensure the speaker is powered on and charged.
  • Check the volume levels on both the speaker and your connected device.
  • Verify that the speaker is correctly paired via Bluetooth or connected via AUX cable.

3. Charging Issues

  • Ensure the USB-C cable is securely connected to both the speaker and the power source.
  • Try a different USB-C cable or power adapter.
  • Confirm the power outlet is functional.

Specifications

BrandStromberg Carlson
Model NameMega-Twin
Speaker Maximum Output Power20 Watts RMS
Frequency Response20000 Hz
Connectivity TechnologyAuxiliary, Bluetooth
Audio Output ModeStereo
Mounting TypePortable speaker
Enclosure MaterialPlastic
Additional FeaturesRechargeable Battery
ColorLava
Speaker Size4.72 Inches
Item Dimensions (D x W x H)4.72"D x 4.72"W x 11.81"H
Built-In MediaUSB-C Cable
ManufacturerStromberg
Diagram showing the dimensions, 20W RMS power, 2x3 inch subwoofers, and 11-hour battery life of the Stromberg Mega-Twin speaker.

Figure 6: Key specifications and features of the Mega-Twin speaker.

Warranty and Support

Warranty Information

The Stromberg Mega-Twin speaker comes with a 6-month warranty from the date of purchase. This warranty covers manufacturing defects under normal use. Please retain your proof of purchase for warranty claims.

Customer Support

For technical assistance, warranty claims, or any other inquiries, please contact Stromberg customer support through their official website or the retailer where the product was purchased. Have your model number (Mega-Twin) and proof of purchase ready.

© 2026 Stromberg Carlson. 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.