Product Overview
The Ultimate Ears MEGABOOM 3 is a supremely powerful, portable wireless speaker engineered to deliver loud, clear, and immersive 360° sound with deep, thundering bass. Its meticulously balanced audio ensures you hear every note with clarity. Designed for adventure, the MEGABOOM 3 is insanely waterproof, dustproof, and drop-proof, making it ready for any environment, from mountain snowboarding to poolside parties. The innovative Magic Button allows for one-touch control to play, pause, and skip songs. All this impressive technology is encased in a stunning, two-tone, high-performance fabric. With a maximum sound level of 90dBA, the MEGABOOM 3 redefines the ultimate party starter.
Key Features
360° Sound & Thundering Bass

Experience powerfully loud, clear, and immersive 360° sound with deep thundering bass. Every note is meticulously balanced for optimal listening.
Waterproof & Floats (IP67)

Designed to get seriously wet and keep booming. With an IP67 rating, it can be fully submerged in water for up to 30 minutes and it floats!
Drop & Dust Proof

Built tough and ready for adventure, the MEGABOOM 3 has undergone over 25 rigorous durability tests, including multiple drop tests.
Magic Button

The all-new Magic Button on top allows you to play, pause, and skip tracks directly on the speaker with just one push.
20-Hour Battery Life & 45M Range

Enjoy a massive 20-hour battery life and a wireless Bluetooth range of up to 45 meters, keeping the music going all day.
PartyUp Feature

Use the Ultimate Ears app's PartyUp feature to pair 2, 3, 4... or even over 150 BOOM and MEGABOOM speakers (any generation) for the ultimate sound experience.
Sound Quality Demonstration
This video demonstrates the sound quality of the Ultimate Ears MEGABOOM 3, highlighting its powerful and clear audio output.
Setup Guide
What's in the Box:

- Ultimate Ears MEGABOOM 3 Wireless Bluetooth Speaker
- USB Cable
- Power Adapter
Initial Setup:
- Charge Your Speaker: Before first use, fully charge your MEGABOOM 3 using the included USB cable and power adapter. The charging port is located on the back, protected by a rubber flap. Ensure the port is clean and dry before charging.
- Power On: Press and hold the power button located on the top of the speaker until you hear an audible cue.
- Pairing Mode: The speaker will automatically enter pairing mode upon first power-on. The Bluetooth indicator light will blink.
- Connect to Device: On your smartphone, tablet, or other Bluetooth-enabled device, go to Bluetooth settings and select "MEGABOOM 3" from the list of available devices. Once connected, you will hear a confirmation sound.
Operating Instructions
Basic Controls:
- Volume Control: Use the large '+' and '-' buttons on the front of the speaker to adjust the volume.
- Magic Button: Press the Magic Button once to play/pause music. Press twice to skip to the next track.
- Power Off: Press and hold the power button until the speaker powers down.
Advanced Features (via Ultimate Ears App):
Download the Ultimate Ears app for additional control and features:
- PartyUp: Connect multiple BOOM and MEGABOOM speakers for a synchronized audio experience.
- EQ Settings: Customize your sound profile with adjustable equalizer settings.
- Remote Power On/Off: Control your speaker remotely from the app.
Maintenance
- Cleaning: The speaker's fabric and rubber components can be cleaned with a damp cloth. Avoid harsh chemicals.
- Water Exposure: While waterproof, ensure the charging port is completely dry before plugging in the USB cable to prevent damage.
- Storage: Store the speaker in a cool, dry place when not in use. Avoid prolonged exposure to direct sunlight or extreme temperatures to prevent overheating and potential damage to internal components.
- Battery Care: For optimal battery longevity, avoid fully discharging the battery frequently. Charge regularly.
Troubleshooting
- No Power: Ensure the speaker is charged. Connect to the power adapter and try turning it on again.
- Connectivity Issues: Make sure Bluetooth is enabled on your device and the speaker is within the 45-meter range. Try unpairing and re-pairing the speaker. If using the app, ensure it's running and has internet access.
- Sound Distortion: Check the volume levels on both the speaker and your connected device. Ensure the speaker is not placed on a vibrating surface.
- Speaker Not Responding: Try a soft reset by holding down the power button for an extended period (e.g., 15 seconds) until it restarts.
Technical Specifications
| Feature | Specification |
|---|---|
| Model Name | MEGABOOM 3 |
| Product Dimensions | 3.5"D x 3.5"W x 8.86"H |
| Item Weight | 2.9 Pounds |
| Connectivity Technology | Bluetooth |
| Wireless Communication Technology | Bluetooth |
| Bluetooth Range | 45 Meters |
| Water Resistance Level | Waterproof (IP67) |
| Battery Life | 20 Hours |
| Power Source | Battery Powered |
| Speaker Maximum Output Power | 300 Watts |
| Audio Driver Size | 30 Millimeters (2x 2" Drivers) |
| Impedance | 4 Ohm |
| Signal-to-Noise Ratio | 70 dB |
| Material | Fabric |
| Controller Type | Button, App Control |
Warranty & Support
The Ultimate Ears MEGABOOM 3 comes with a Limited Warranty. For detailed warranty information and support, please refer to the official Ultimate Ears website or the full user manual.
For a comprehensive guide, you can download the official User Manual (PDF) here.







