Passive Radiators vs Ported Boxes: Why Spherical Design Hits Harder Than You Think
Deep bass in small speakers isn’t about brute force. This article explains how passive radiators, spherical enclosures, and Helmholtz-inspired design deliver cleaner, more controlled low frequencie...
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Yes, we ship worldwide! Shipping is free for all orders over $99 USD. For orders below that amount, standard shipping rates will apply at checkout.
How long will it take to get my orders?
Estimated delivery times:
USA: 2–4 working days
Europe: 3–7 working days
Asia: 2–5 working days
Other international regions: 5–12 working days
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What should I do if the firmware update stops?
1.There are two common situations:
A.If you switched to another app (iOS users):
Exit UB+ SEEK (swipe up to close it).
Reopen the app — the update will resume automatically.
B.If the update stops without switching apps:
Press and hold the power button for 15 seconds (master reset).
Exit and reopen UB+ SEEK.
Follow the prompt to restart the firmware update.
2.Important:
During firmware updates, please stay inside the UB+ SEEK app. iOS restrictions prevent background updates and may interrupt the process
How do I perform a Master Reset on my speaker?
To perform a Master Reset:
Press and hold the power button for 15 seconds until the speaker restarts.