98dB High-Output Sound | 38Hz Deep Bass | Portable Power Redefined
S2+ Alphorn
Merging acoustic elegance with four-unit Hi-Fi fidelity, the S2+ ALPHORN unveils the true essence of sound.
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Logistics Description：
Shipping is free for all orders over $80 USD. For orders below that amount, standard shipping rates will apply at checkout.
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
2-Year Warranty
Free Global Shipping
24/7 Customer Support
Secure Payment
About the S2+ ALPHORN
Acoustic Precision In A Perfect Sphere.Engineered For Sound Lovers.
Avant-Garde Spherical Design
Avant-Garde Spherical Design
Spherical structure, clear and pure details
4 Powerful Drivers
4 Powerful Drivers
Dual tweeters and dual woofers, distinct layers
Flexible Adjustable Stand
Flexible Adjustable Stand
Multiple stand options, easily switch between scenarios
16-Hour Playback Battery Life
16-Hour Playback Battery Life
Large battery support, 16 hours of uninterrupted powerProduct Highlights
Key Features
Engineered For Expectional Performance To What Is Essential
Patented Spherical Design
Designed for maximum clarity and minimal distortion
Adjustable Stand
Three-section stand, easily adjust height for perfect placement
Type-C
Using Type-C, charging and connecting USB flash drives
Customizable Settings
Control bass, treble, and more via the UB+ App
Technical Specification
Audio Specs
- Loudspeaker: (4" Bass X2 + 1.5" Tweeter X2)
- Passive Radiator X2
- Output: 22W + 22W
- SPL (Sound Pressure Level): 93dB
- Frequency Range: 38Hz-20kHz
Battery
- Battery Charging Time: 4-8 hours
- Playback Time: 16 hours
- Battery Capacity: 2500mAH X3
- Battery Charging Voltage: 5-12V/2A
Controls and Connectivity
- TWS (True Wireless Stereo): Yes. Connect 2 (L/R) speakers for balanced stereo sound.
- Low Latency: 75ms
- Input Bluetooth: Bluetooth 5.3
- Input Jack: 3.5mm/USB Type-C
Speaker Enclosure
- Enclosure Diameter: 250mm
- Weight: 2.7kg
- Loudspeaker: (4" Bass X2 + 1.5" Tweeter X2)
- Passive Radiator X2
- Output: 22W + 22W
- SPL (Sound Pressure Level): 93dB
- Frequency Range: 38Hz-20kHz
- Battery Charging Time: 4-8 hours
- Playback Time: 16 hours
- Battery Capacity: 2500mAH X3
- Battery Charging Voltage: 5-12V/2A
- TWS (True Wireless Stereo): Yes. Connect 2 (L/R) speakers for balanced stereo sound.
- Low Latency: 75ms
- Input Bluetooth: Bluetooth 5.3
- Input Jack: 3.5mm/USB Type-C
- Enclosure Diameter: 250mm
- Weight: 2.7kg
Lifestyle Gallery
See how dBMini integrates seamlessly into your everyday monments.
YouTubers about S2+ ALPHORN
Sonic Shockwave
Like air flowing through a turbo charger, feel the bass blast through your DNA with twin passive radiators strategically placed to pump air through a sphere sending music down your spine.
Immersive Sound
Minimal Distortion
Balanced Sound
Deep, Powerful Bass
Crystal-Clear Audio
Room-Filling Sound
Immersive Sound
Minimal Distortion
Balanced Sound
Deep, Powerful Bass
Crystal-Clear Audio
Room-Filling Sound
All Reviews
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JJarrettÉvalué 5 sur 5 étoilesIl y a 4 mois5 étoiles
Les haut-parleurs sont beaux, ils ont l'air sophistiqués et élégants avec le son approprié que vous devriez attendre d'un haut-parleur qui a l'air aussi séduisant que celui-ci. Vous ne devriez pas vous demander si je dois l'acheter ? Vous devriez vous demander combien en achetez-vous ?
Can't decide? Compare
1.5" Tweeter X2
4" Bass X2
1.5" Tweeter X1
3" Bass X1
1.5" Tweeter X1
4.5" Bass X1
3.4" Passive Radiator X2
5.2" Passive Radiator X2
22W+22W
25W+15W
40W+20W
93dB
93dB
93dB
38Hz-20kHz
45Hz-20kHz
40Hz-20KHz
16h
20h
20h
Yes
Yes
Yes
IPX5
IPX5
2.7kg
0.65kg
2.8kg
Have a question ? We are here to help.
Do you ship overseas?
Yes, we ship worldwide! Shipping is free for all orders over $80 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
Any question?
You can contact us through our contact page! We will be happy to assist you.
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.