In 2026, the Ultimate Ears Boom 4 remains a popular choice for portable Bluetooth speakers. Its Partyup feature allows users to connect multiple speakers for a more immersive sound experience. This guide walks you through the simple steps to pair multiple Ultimate Ears Boom 4 speakers using Partyup.

Understanding the Partyup Feature

Partyup is a proprietary technology developed by Ultimate Ears that enables you to connect up to 150 speakers simultaneously. This creates a synchronized, powerful audio environment perfect for parties, outdoor gatherings, or large events. The feature is available on the Boom 4 and is easy to activate.

Preparing Your Speakers for Pairing

Before pairing, ensure all your speakers are charged and within Bluetooth range. Update the firmware of your Boom 4 speakers to the latest version via the Ultimate Ears app to ensure compatibility with Partyup. Also, turn on Bluetooth on your device and ensure it is discoverable.

Step 1: Power On Your Speakers

Press the power button on each Boom 4 speaker to turn them on. You will see the LED lights indicating they are active. Make sure all speakers are in close proximity.

Step 2: Open the Ultimate Ears App

Download and open the Ultimate Ears app on your smartphone or tablet. The app is available on both iOS and Android platforms. Sign in or create an account if you haven't already.

Step 3: Connect Your First Speaker

Follow the on-screen instructions in the app to connect your first Boom 4 speaker via Bluetooth. Once connected, the app will display the device as active.

Step 4: Activate Partyup Mode

Within the app, navigate to the 'Partyup' option. Tap on it to activate Partyup mode. The app will prompt you to add additional speakers.

Step 5: Add Additional Speakers

Press the Bluetooth pairing button on each additional Boom 4 speaker. The app will detect each speaker as it appears. Confirm each device to add it to the Partyup group. Repeat until all desired speakers are connected.

Finalizing the Setup

Once all speakers are connected, the app will synchronize the audio output. Test the setup by playing music through the app. All speakers should produce synchronized sound, creating a seamless audio experience across your space.

Tips for Optimal Performance

  • Keep all speakers within Bluetooth range during setup.
  • Ensure all speakers are updated to the latest firmware.
  • Use a stable Wi-Fi connection for smoother app operation, if available.
  • Place speakers in an open area to maximize sound distribution.

By following these steps, you can easily create a powerful multi-speaker setup with your Ultimate Ears Boom 4 in 2026. Enjoy your music with enhanced volume and immersive sound quality.