Wonderboom 2 Manual: A Comprehensive Guide
Welcome! This guide provides detailed instructions for your UE Wonderboom 2. Learn about pairing, troubleshooting, resetting, and maximizing its features for optimal audio enjoyment.
The Ultimate Portable Speaker: The UE Wonderboom 2 is a rugged, waterproof, and remarkably powerful portable Bluetooth speaker designed for adventure. Building upon the success of the original Wonderboom, this iteration boasts increased bass, longer battery life, and an enhanced 360-degree sound experience. It’s engineered to withstand the elements, making it the perfect companion for outdoor activities, poolside gatherings, or simply enjoying music on the go.
This manual serves as your comprehensive resource for understanding and utilizing all the features of your Wonderboom 2. From initial setup and Bluetooth pairing to troubleshooting common issues and maximizing sound quality, we’ll cover everything you need to know. Whether you’re a first-time user or a seasoned audiophile, this guide will help you unlock the full potential of your speaker. Prepare to immerse yourself in rich, vibrant sound wherever life takes you!
Unboxing and What’s Included
Your Wonderboom 2 Package: Upon opening your Wonderboom 2 box, you should find the following items carefully packaged to ensure safe delivery. First, you’ll receive the UE Wonderboom 2 speaker itself, identifiable by its distinctive cylindrical shape and durable fabric exterior. Included is a USB-C charging cable, designed for quick and efficient power replenishment.

Additionally, a quick-start guide is provided, offering a concise overview of the speaker’s basic functions and setup process. While a power adapter isn’t included, the USB-C cable is compatible with most standard USB power sources. Please verify that all listed components are present and undamaged. If anything is missing or appears faulty, immediately contact Ultimate Ears support for assistance. Retain the original packaging for potential warranty claims or returns. Enjoy your new speaker!
Getting Started: Powering On & Off
Powering On Your Wonderboom 2: To initiate power-up, simply press the dedicated power button located on the top of the speaker. A visual confirmation, typically a lit LED indicator, will signal successful activation. The speaker may also emit a brief audible tone. Ensure the speaker has sufficient battery charge for operation; a low battery may prevent it from powering on correctly.
Powering Off Your Wonderboom 2: To conserve battery life, press and hold the power button for approximately two seconds. The LED indicator will typically turn off, confirming the speaker is powered down. It’s recommended to power off the speaker when not in use to maximize battery performance. If the speaker appears unresponsive, attempt a short charge before troubleshooting further. Proper power management extends the lifespan of your device.
Bluetooth Pairing: Connecting Your Devices
Initiating Pairing Mode: With the Wonderboom 2 powered on, press the dedicated Bluetooth button. This action activates pairing mode, making the speaker discoverable by your devices. The Bluetooth indicator light will typically flash, signaling its readiness to connect. Ensure your device’s Bluetooth is enabled and set to search for available devices.
Connecting to Your Device: On your smartphone, tablet, or computer, locate the Wonderboom 2 in the list of available Bluetooth devices. Select it to initiate the pairing process. You may be prompted to enter a pairing code; if so, enter “0000” or consult the speaker’s documentation. Once successfully paired, the Bluetooth indicator light will become solid, confirming a stable connection. Remember previously paired devices will connect automatically when in range.
Troubleshooting Bluetooth Connection Issues
Connection Failures: If your device fails to connect, first ensure the Wonderboom 2 is in pairing mode (flashing Bluetooth indicator). Verify Bluetooth is enabled on your device and that no other devices are actively connected to the speaker. Move closer to the speaker to eliminate potential range issues.
Interference: Wireless interference from other Bluetooth devices, Wi-Fi routers, or microwaves can disrupt the connection. Try moving away from these sources. Forgotten Device: If the speaker was previously paired but isn’t connecting, “forget” or “unpair” the Wonderboom 2 from your device’s Bluetooth settings and then re-pair it. A frustrating issue can be a fully dead speaker, unable to turn on even after overnight charging – this requires further investigation.
Restart: Restarting both the speaker and your device can often resolve temporary glitches.
Understanding the Buttons and Controls
Power Button: A single press turns the Wonderboom 2 on or off. No light or feedback indicates a potentially dead battery, requiring troubleshooting. The button also initiates pairing when held during power-on.
Volume Buttons (+/-): These control the speaker’s volume. Holding Volume ― and the Power button simultaneously for 10-15 seconds initiates a factory reset, confirmed by an audible tone. Pressing Volume Up, Volume Down, Bluetooth, and Power simultaneously also performs a hard reset.
Bluetooth Button: Press to initiate Bluetooth pairing. It’s crucial for connecting to your devices. A flashing light signifies pairing mode. The speaker will remember previously paired devices for quicker connections; When a short tone is heard, the reset is complete, and the speaker will turn off, requiring a power-on to resume normal operation.
Sound Customization: Volume & Equalization
Volume Control: The Wonderboom 2 features intuitive volume adjustment using the dedicated “+” and “-” buttons on the speaker’s surface. Pressing these buttons incrementally increases or decreases the audio output. Ensure balanced volume levels to prevent distortion and protect your hearing.
Equalization: While the Wonderboom 2 doesn’t offer built-in, customizable EQ settings directly on the device, sound characteristics can be subtly adjusted through your paired device’s audio settings. Many smartphones and music streaming services provide equalization options.
Optimal Listening: Experiment with your device’s EQ to tailor the sound profile to your preference. Consider boosting bass for a richer sound or enhancing treble for clearer vocals. Remember that extreme EQ settings can sometimes diminish audio quality, so moderate adjustments are recommended for the best experience.
Waterproof & Durability Features
IP67 Rating: The Wonderboom 2 boasts an impressive IP67 waterproof rating. This means it’s fully protected against dust and can withstand immersion in up to 1 meter of water for 30 minutes. Perfect for poolside parties or beach adventures!
Drop-Proof Design: Beyond waterproofing, the Wonderboom 2 is engineered for durability; Its robust construction can withstand drops and bumps, making it ideal for outdoor use. The speaker’s exterior is designed to absorb impact, minimizing damage.
Floating Capability: A unique feature is its ability to float! If accidentally dropped in water, the Wonderboom 2 will remain buoyant, preventing it from sinking. This adds an extra layer of peace of mind during water activities. However, avoid prolonged submersion or forceful impacts.
Charging the Wonderboom 2
Charging Port: The Wonderboom 2 utilizes a USB-C charging port, located under a protective flap to maintain its waterproof integrity. Ensure the flap is securely closed during charging and use to prevent water damage.
Charging Time: A full charge typically takes approximately 2.5 ‒ 3 hours, depending on the power adapter used. It’s recommended to use a 5V/2A power adapter for optimal charging speed. Avoid using fast chargers, as they may not be compatible.
Charging Indicator: While charging, the LED indicator light will illuminate. Once fully charged, the light will turn off. If the speaker isn’t charging or the light doesn’t illuminate, refer to the troubleshooting section for assistance. A completely drained battery may take longer to initially respond.
Troubleshooting: Speaker Won’t Charge
Check the Cable & Adapter: First, verify the USB-C cable is securely connected to both the speaker and a functioning power adapter. Try a different USB-C cable and adapter to rule out faulty components. Ensure the power adapter is delivering 5V/2A.

Inspect the Charging Port: Carefully examine the charging port on the speaker for any debris or damage. Gently clean the port with a soft, dry cloth if necessary. Avoid using liquids.
Attempt a Hard Reset: If the speaker is completely unresponsive, attempt a hard reset by holding Volume Down, Bluetooth, and Power buttons simultaneously. A fully depleted battery might not respond immediately; allow it to charge for 15-30 minutes before attempting a reset.
Contact Support: If none of these steps resolve the issue, the battery may be faulty. Contact Ultimate Ears support for further assistance and potential warranty options.
Battery Life and Performance
Typical Usage: The Wonderboom 2 boasts up to 13 hours of playtime on a single charge, at moderate volume levels. Battery life is inherently affected by volume; higher volumes will consume power more rapidly. Expect approximately 10 hours at 80% volume.
Battery Indicator: The speaker features LED indicators to display battery status. A full charge is indicated by solid green lights, while diminishing lights signify decreasing battery levels. A flashing red light indicates low battery, prompting immediate charging.
Charging Time: A full charge typically takes around 2.5 to 3 hours using a 5V/2A power adapter and USB-C cable. Avoid using fast chargers, as they may negatively impact battery health over time.
Battery Health: Over extended periods, battery capacity may naturally diminish. Proper charging habits and avoiding extreme temperatures can help maintain optimal battery performance.
Using the Power Bank Feature
External Device Charging: The Wonderboom 2 uniquely functions as a power bank, allowing you to charge your mobile devices like smartphones or tablets. This feature utilizes the speaker’s internal battery to provide a convenient power source on the go.
Initiating Power Transfer: To activate the power bank function, connect your device to the Wonderboom 2 using a USB cable; The speaker will automatically detect the connected device and begin charging it. Playback will temporarily pause during charging.
Charging Capacity: The Wonderboom 2 can provide a partial charge to most smartphones, typically offering around 2-3 hours of additional usage depending on the device’s battery capacity and current charge level.
Impact on Playtime: Utilizing the power bank feature will significantly reduce the speaker’s playtime. Monitor the battery indicator to gauge remaining power for both the speaker and your connected device.
Stereo Pairing: Connecting Two Wonderboom 2 Speakers

Enhanced Audio Experience: Elevate your listening experience by wirelessly connecting two Wonderboom 2 speakers for true stereo sound. This creates a wider soundstage and immersive audio, perfect for larger spaces or outdoor gatherings.
Pairing Process: Ensure both speakers are fully charged and within Bluetooth range. Press the dedicated Ultimate Ear’s button on both speakers simultaneously. They will automatically connect and synchronize, indicated by a confirmation tone.

Master & Slave Configuration: One speaker will act as the master, receiving the Bluetooth signal from your device, while the other functions as a slave, mirroring the audio. Control volume and playback from your connected device.

Seamless Synchronization: The speakers maintain a stable connection, delivering synchronized audio. If a disconnection occurs, simply repeat the pairing process. Enjoy a richer, more dynamic soundscape with stereo pairing!
Optimizing Stereo Sound Placement
Achieving Optimal Sound: To maximize the benefits of stereo pairing, strategic speaker placement is crucial. Position the two Wonderboom 2 speakers 6-10 feet apart for the most immersive experience. Avoid obstructions that might block the sound waves.
Creating a Soundstage: Angle the speakers slightly inward towards the primary listening area. This directs the sound towards the audience, enhancing clarity and creating a wider soundstage. Experiment with different angles to find what sounds best in your space.
Height Considerations: Ideally, position the speakers at ear level when seated. This ensures that the sound reaches your ears directly, minimizing reflections and maximizing detail. If mounting, ensure secure placement.
Room Acoustics: Consider the room’s acoustics. Soft surfaces like carpets and curtains can absorb sound, while hard surfaces can reflect it. Adjust speaker placement accordingly to minimize unwanted echoes or reverberation.
Factory Resetting the Wonderboom 2
When to Reset: A factory reset restores your Wonderboom 2 to its original settings, resolving software glitches or preparing it for a new user. It erases all paired device history and custom settings. Consider this step if you encounter persistent connectivity issues or unusual behavior.
Reset Procedure: Simultaneously press and hold the Volume Down (-) button, the Bluetooth button, and the Power button for approximately 10-15 seconds. You should hear a distinct tone confirming the reset initiation. Continue holding until the tone sounds.

Post-Reset Steps: Once the reset is complete, the Wonderboom 2 will power off. Press the Power button again to turn it back on. The speaker will now be in pairing mode, ready to connect to your devices as if it were brand new.
Important Note: Ensure the speaker has sufficient battery charge before initiating a factory reset to prevent interruption during the process.
When to Perform a Hard Reset
Identifying the Need: A hard reset, or factory reset, for your Wonderboom 2 should be considered when facing persistent issues that standard troubleshooting can’t resolve. This includes unresponsive buttons, consistent Bluetooth connection failures, or unexpected speaker behavior. If the speaker is fully dead and won’t respond to charging, a reset might still be worth attempting.
Troubleshooting First: Before resorting to a hard reset, try simpler solutions like charging the speaker fully and attempting a standard Bluetooth re-pairing process. A reset erases all personalized settings, so it’s best as a last resort.
Preparing for Reset: Understand that a hard reset will clear all paired devices and custom equalization settings. If possible, note any specific settings you wish to recreate after the reset is complete. This ensures a smoother transition back to your preferred audio experience.
Consider the Situation: If the speaker is experiencing significant software glitches, a hard reset is often the most effective solution to restore functionality.
Firmware Updates: Keeping Your Speaker Current
The Importance of Updates: Regularly updating your Wonderboom 2’s firmware is crucial for optimal performance and access to the latest features. These updates often include bug fixes, improved Bluetooth connectivity, enhanced sound quality, and even new functionalities released by Ultimate Ears.
Checking for Updates: While the Wonderboom 2 doesn’t have a direct, built-in update mechanism, firmware updates are typically delivered through the Ultimate Ears app (available for iOS and Android). Connect your speaker to your smartphone via Bluetooth and open the app to check for available updates.
The Update Process: The app will guide you through the update process, which usually involves downloading the new firmware to your phone and then transferring it to the speaker. Ensure your speaker has sufficient battery life before initiating an update to prevent interruptions.
Benefits of Updating: Staying current with firmware ensures your Wonderboom 2 operates at its peak potential, providing the best possible listening experience and resolving potential compatibility issues.
Troubleshooting Common Issues
Speaker Not Responding: If your Wonderboom 2 isn’t responding, first ensure it’s adequately charged. Try a different charging cable and power adapter. If it still doesn’t power on, attempt a hard reset by simultaneously holding the Volume Up, Volume Down, Bluetooth, and Power buttons until a tone is heard.
Bluetooth Connectivity Problems: If experiencing Bluetooth issues, ensure your device is within range and that no other devices are interfering. Try forgetting the Wonderboom 2 in your device’s Bluetooth settings and re-pairing it. Restarting both the speaker and your device can also resolve connectivity problems.
Sound Distortion: If you notice distorted sound, lower the volume. Check for obstructions near the speaker. A factory reset might resolve persistent sound issues.
No Sound: Verify the volume isn’t muted on both the speaker and your connected device. Ensure the correct audio output is selected on your device.
Speaker Not Turning On
Initial Checks: If your Wonderboom 2 fails to power on, the first step is to confirm it isn’t simply completely discharged. Connect the speaker to a known working charger and allow it to charge for at least 15-30 minutes, even if there’s no immediate indication of charging. Sometimes, a deeply depleted battery needs a short initial charge before responding.
Hard Reset Attempt: If charging doesn’t resolve the issue, attempt a hard reset. Simultaneously press and hold the Volume Up, Volume Down, Bluetooth, and Power buttons. Continue holding them until you hear a short tone, indicating the reset is complete. Release the buttons and try powering on the speaker.
Charging Port Inspection: Inspect the charging port for any debris or damage. A blocked or damaged port can prevent charging. If the speaker still won’t turn on after these steps, contact Ultimate Ears support.
Safety Precautions and Warnings
Important Safety Information: To ensure safe operation of your Wonderboom 2, avoid exposing it to extreme temperatures (above 113°F/45°C or below 32°F/0°C). Do not disassemble or attempt to repair the speaker yourself, as this will void the warranty and could pose a safety hazard.
Water Exposure: While waterproof, prolonged submersion or exposure to high-pressure water jets should be avoided. Always ensure the charging port cover is securely closed before exposing the speaker to water.
Hearing Safety: Listening to loud volumes for extended periods can damage your hearing. Use caution and set the volume to a safe level. Avoid using the speaker in environments where awareness of surroundings is critical. Keep the speaker out of reach of small children, as it contains small parts that could be a choking hazard.
Cleaning and Maintenance
Regular Cleaning: To maintain the appearance and performance of your Wonderboom 2, clean it regularly with a soft, damp cloth. Avoid using abrasive cleaners, solvents, or harsh chemicals, as these can damage the speaker’s surface and internal components.
Port Protection: Ensure the charging port is free from debris and moisture. If the port gets wet, allow it to dry completely before connecting a charging cable; Inspect the speaker for any signs of physical damage, such as cracks or tears in the fabric.
Storage: When not in use, store the Wonderboom 2 in a cool, dry place. Avoid storing it in direct sunlight or extreme temperatures. Proper storage will help prolong the speaker’s lifespan and maintain its optimal functionality. Do not store the speaker with any liquids nearby.
Warranty Information and Support

Limited Warranty: Your UE Wonderboom 2 is covered by a one-year limited warranty against defects in materials and workmanship. This warranty does not cover normal wear and tear, accidental damage, or misuse. Please retain your proof of purchase for warranty claims.
Online Support: For comprehensive support, including FAQs, troubleshooting guides, and software updates, visit the official Ultimate Ears website. You can find detailed information and resources to address common issues.
Customer Service: If you require further assistance, contact Ultimate Ears customer support through their website or by phone. Their dedicated team is available to help resolve any problems you may encounter with your Wonderboom 2. Warranty details and support options are available online.
