Prezzo scontato$199.00 USD
Rated 4.4 out of 5 stars
7 Reviews

Our lightest and most powerful Bluetooth spherical speaker gives you the boom you need with a sonic rush. Sound comes from every angle with our spherical design making you rethink what you know about compact speakers.

  • 360-degree soundstage
  • Weights only 1kg
  • Optimal acoustic performance by minimizing internal resonance for clear sound quality
  • With dual passive radiators and dual custom-designed woofers, the S1 Circle speaker provides deep and rich bass tones.
  • Control your music from up to 10 meters away with the latest Bluetooth 5.3 technology.
  • 16 hours of long-lasting battery life
  • IPX5 water-resistant design
Color: Pluto Obsidian

360 Sphere for 360 Sound

Punchy Bass

Obliterate the way you used to experience music with a sphere that blasts a bass 360 degrees. Breathes new life into your music with 2 passive radiators and 2x 2.5in woofers all around it.

Ballin’ Music

A sphere is the only shape to get music of this magnitude, but it's not just a boom, our engineers used physics to bring you shockwave sound from a ball that comes in 6 different colors.

Power in Portability 

Tune in to music the way you’re supposed to with 360 sound that goes everywhere in our lightest speaker so you can power your party with the small but mighty. 

16 Hour Power

With over 16 hours of battery life on a single charge and IPX5 waterproofing, the party won’t stop with nearly an entire day and night of non-stop playtime. 

Mic’d Up

As the only UB+ Bluetooth speaker with a mic, you can take on calls and speak into your speaker without picking up the phone. 

UB+ App for Full Control 

Choose your range of customizable bass, treble, and mid-sound output, change songs, change the volume, and connect multiple speakers, all from the palm of your hand. 

Cosmic Harmonies Collection

Sunburst Yellow

Teleport to the sun and feel the summer vibes pass through your soul when you blast the beach music with the bass to match.

Mercury Silver

Road trip or globe trip, the portable Mercury sound sphere is the traveler’s companion for every journey and destination.

Blue Terra

Pump the music of life through  your veins like the waters of Earth’s rivers and release yourself to the soundwaves of life. 

Neptune Midnight

Breath in a new atmosphere and tune into your meditative mindfulness with the S1 that takes you to the tranquility of an ocean…the Neptune S1.

Pluto Obsidian

Rock is king on Planet Power where the bass offers you the vibes you need to feel the thrash and rumble of the music you can only listen to in the dark. 

Most Popular Model

Mars Rustic Orange

Fuel your fury and bump the bass with the sound sphere where the guitar reigns supreme and lets you blast tunes that will make you want to run through a brick wall. 

Stereo Setup

Pair 2 speakers with the TWS (True Wireless Stereo) feature on the app and step into another dimension. Enhanced coding keeps the speakers in sync when they work together to emanate sound from every corner, to bring you into the fold of whatever is going on.

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Technical Specifications

  • Loudspeaker: (2.5" Bass + 1" Tweeter) x 2
  • Passive Radiator x 2
  • Output: 20W + 20W
  • SPL (Sound Pressure Level): 93dB
  • Frequency Range: 45Hz-17kHz

What’s In The Box

  1. S1 CIRCLE Speaker
  2. Quick start guide
  3. Type C USB cable
  4. Cow hide Leather Strap
User Manual

Can't decide? Compare

S1 CIRCLE Prezzo scontato$199.00 USD
dB1 doubleBASS
dB1 doubleBASS Prezzo scontato$299.00 USD
S2+ ALPHORN Prezzo scontato$269.00 USD Prezzo $297.57 USD
S1 CIRCLE Prezzo scontato$199.00 USD
dB1 doubleBASS
dB1 doubleBASS Prezzo scontato$299.00 USD
S2+ ALPHORN Prezzo scontato$269.00 USD Prezzo $297.57 USD

16 hours

20 hours

22 hours

Bluetooth Version

Bluetooth 5.3

Bluetooth 5.3

Bluetooth 5.3

Maximum Loudness (SPL)





2.5" Bass+ 1" Tweeter X2

Passive radiator X2

4.5"BASS +1.5" Tweeter X 2

Passive radiators X2

4"Bass + 1.5" tweeter X2


20W + 20W

40W + 20W

22W + 22W

YouTubers about S1

"S1 Circle UB Plus Speakers - MIGHTY sound, SMALL size"