1. Introduction and Key Features
The Ultimate Ears MEGABLAST is a powerful portable Wi-Fi/Bluetooth speaker designed to deliver rich, 360-degree sound with hands-free voice control. This manual provides essential information for setting up, operating, and maintaining your speaker.
- Ultimate Sound: Experience powerful 360° sound with stunning clarity and deep bass.
- Hands-free Alexa: Integrated Amazon Alexa allows voice control for music, weather, and more when connected to Wi-Fi.
- Dual Connectivity: Connect via Wi-Fi for Alexa features and extended range, or Bluetooth for direct audio streaming from your device.
- Durable & Waterproof: IP67 rated, meaning it can be immersed in water up to 1 meter for 30 minutes. Built to withstand various environments.
- Long Battery Life: Enjoy up to 12 hours of continuous music playback on a single charge.

Figure 1: ULTIMATE EARS MegaBlast Speaker
2. Setup
2.1 Charging the Speaker
Before first use, fully charge your MegaBlast speaker. Connect the provided USB charging cable to the speaker's charging port (located under a protective flap) and plug the other end into a compatible USB power adapter. The LED indicator will show charging status.

Figure 2: Charging the MegaBlast Speaker
2.2 Bluetooth Pairing
- Power on your MegaBlast speaker by pressing the power button on the top.
- Press and hold the Bluetooth button (usually a small Bluetooth icon) on the speaker until you hear an audible tone and the LED flashes rapidly. This indicates pairing mode.
- On your mobile device, go to Bluetooth settings and select "MEGABLAST" from the list of available devices.
- Once connected, you will hear a confirmation tone from the speaker.
2.3 Wi-Fi and Alexa Setup
To enable Amazon Alexa functionality and Wi-Fi features, download the Ultimate Ears app from your device's app store. Follow the in-app instructions to connect your MegaBlast to your Wi-Fi network and link your Amazon Alexa account.
3. Operating Instructions
3.1 Basic Controls
- Power Button: Press to turn the speaker on/off.
- Volume Buttons (+/-): Press to adjust the volume up or down.
- Bluetooth Button: Press to enter Bluetooth pairing mode.
- Magic Button (Top): Single press to play/pause music. Double press to skip tracks. Long press to activate a pre-set playlist (configurable in the app).
3.2 Using Amazon Alexa
Once Wi-Fi and Alexa are set up via the Ultimate Ears app, you can use voice commands. Simply say "Alexa" followed by your command. For example:
- "Alexa, play music."
- "Alexa, what's the weather?"
- "Alexa, turn up the volume."
Ensure the speaker is within range of your Wi-Fi network for Alexa functionality.

Figure 3: MegaBlast in use
4. Maintenance
4.1 Waterproof Care
The MegaBlast is IP67 rated, making it waterproof and dustproof. However, always ensure the charging port's protective flap is securely closed before exposing the speaker to water or dust. After exposure to water, dry the speaker thoroughly before charging.
4.2 Cleaning
To clean your speaker, use a soft, damp cloth. Avoid using harsh chemicals or abrasive materials, as these can damage the speaker's finish or waterproof seals.

Figure 4: MegaBlast's waterproof design
5. Troubleshooting
- No Power: Ensure the speaker is fully charged. Connect to a power source and check the charging indicator.
- Bluetooth Connectivity Issues: Make sure the speaker is in pairing mode (flashing LED). Check your device's Bluetooth settings and ensure it's discoverable. Try forgetting the device on your phone and re-pairing.
- Wi-Fi/Alexa Not Responding: Verify your speaker is connected to a stable Wi-Fi network. Check the Ultimate Ears app for network status and ensure your Amazon Alexa account is linked correctly.
- Poor Sound Quality: Ensure the speaker is not obstructed. Adjust volume on both the speaker and your connected device. Check EQ settings in the Ultimate Ears app.
- Speaker Not Responding: Perform a soft reset by holding down the power button for about 15 seconds until the speaker restarts.
6. Specifications
| Feature | Specification |
|---|---|
| Model Name | MEGABLAST |
| Item Model Number | S-00157 |
| Speaker Type | Multi Room, Outdoor |
| Special Feature | Waterproof |
| Connectivity Technology | Bluetooth, Wi-Fi |
| Wireless Communication Technology | Bluetooth, Wi-Fi |
| Bluetooth Range | 10 Meters |
| Maximum Range (Wi-Fi) | 150 Feet |
| Water Resistance Level | Waterproof (IP67) |
| Power Source | Battery Powered (1 Lithium Polymer battery required) |
| Speaker Maximum Output Power | 10 Watts |
| Audio Output Mode | Stereo |
| Item Weight | 3.7 Pounds |
| Product Dimensions | 3.5 x 3.5 x 9.4 inches |
7. Warranty & Support
This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. For further support or warranty claims, please refer to the documentation provided with your product or contact Ultimate Ears customer service.





