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Analogue Synthesizer

  • With 3 VCOs
  • Authentic reproduction of the OB-Xa VCO and VCF circuitry from the 1980s
  • Analogue signal path with VCO, VCF and VCA
  • 27 touch-sensitive touch keys
  • 3 oscillators with sawtooth and square waveforms
  • Ring modulator
  • 16-step motion sequencer with 10 memory slots and recording of controller movements
  • Selectable playing modes: Poly, Unison, Octaves, Fifths, Ring Unison, Ring Poly
  • Analogue low-pass filter (switchable 12/24 dB)
  • ADSR envelope
  • LFO with 3 waveforms (sawtooth, square, sine)
  • MIDI input: 3-pin DIN
  • USB-C power supply, MIDI and firmware updates
  • Sync input/output: 3.5 mm mini jack
  • Stereo headphone output: 3.5 mm mini jack
  • Dimensions (W x D x H): 193 x 124 x 40 mm
  • Weight: 360 g
  • Available since October 2025
  • Item number 628474
  • Sales Unit 1 piece(s)
  • Number Of Keys 27
  • Touch-Sensitive No
  • Aftertouch No
  • Split Zones No
  • Modulation Wheel No
  • Number of simultaneous Voices 3
  • Sound Engine Analogue
  • Storage Medium Internal
  • USB-port Yes
  • Effects None
  • Arpeggiator Yes
  • Number of Analog Outputs 1
  • Digital Output No
  • Display No
  • Pedal Connections None
  • Dimensions 139 x 124 x 40
  • Weight 0,4 kg
B-Stock available from 93 €
99 €
All prices incl. VAT
In stock
1

4 Customer ratings

4.8 / 5

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6 Reviews

u
I really like the UB-Xa Mini, but..
u-r-i-r 10.11.2025
Build quality is quite good. It's very easy to get cool sounds with just a couple of knob twists. The 'monos' (uni / oct / ring) sound overall better than 'polys' - they're 'fatter' (add a bit of detune to get it). No delay / reverb - but I knew that when buying (you'd really want to add some external processing). One thing, the filter won't self-oscillate.. (2 or 4 pole, I got nothing. Maybe I'm doing something wrong? You can sweep stuff that sounds 'almost' like self-oscillation). That's the only bummer. Still gets a 5.. Cause it's really a solid build, and very easy to make it sound good.
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G
Good core sound but...
Gavalakis 13.11.2025
// PROS:
+ The build quality as usual from recent years behringer products is top.

+ The core sound is overal good with some character. I personaly don't know or care if it sounds similar to an oberheim but probably not. It still has a good core sound though.

// CONS:
- For some reason the mod wheel affects the Pitch LFO ammount which is kind of unusable except for making weird noises. Had it affect the LFO speed instead as usual would have been so much better, or even better if it was possible to for us to select what the mod wheel affects.

- It seems that it does not handle velocity from midi well. I've tried with 2 different midi keyboard and sometimes notes wont trigger probably due to low velocity and in general I can't get a consistent performance velocity-wise with this synth for some reason. It just feels weird and mutes notes (I'm talking about Unison mode). Something I haven't ever encountered with any other synth using my midi keyboards.

// EQUAL:
= For some reason I was hoping this to have voice panning even if just a simple one, but that's on me. There is a stereo jack output there already so its probably just a matter of firmware.

I hope behringer addresses some of the above in future firmware updates, and/or with relevant options from within the synthtribe app.

I've been very happy with my Pro VS Mini, Pro-1, Pro-800, and Crave from behringer thus far. As for this one, I just think that with some updates it is possible to elevate it a bit more. I will update this review if so.
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B
Brilliant sound
Bk40 10.11.2025
Love it, having great fun playing and listening to the sound. Definitely makes me want to buy the bigger brother.

It’s a mini so stripped back but the signal path is there and sounds awesome
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S
Excellent rapport qualité prix
Stephane156 10.11.2025
Les points forts :
- Pour son prix, ce synthé offre un rapport qualité prix imbattable : 3 oscillateurs analogiques (VCO), un filtre analogique commutable 12/24 dB, modes de jeu variés (unison, octaves, ring mod, poly ...) pour expérimenter des sons en live. Un séquenceur classique et efficace.

- Un excellent filtre : commutable entre 12 et 24 dB, (même si les potards sont un peu petits et cheap pour de la précision mais vu le prix on ne peut pas trop se plaindre !)

- Format mini : parfait pour un setup « live et transportable ».

Les points faibles :
- Impossibilité d’enregistrer des presets. C'est une limitation vraiment regrettable car sinon le synthé aurait été au top (est-ce que c'est une volonté du constructeur pour ne pas trop concurrencer son grand frère : le UB-XA ???) Possédant le PRO VS qui a 32 presets enregistrables, je suis un peu déçu à ce niveau là. (A noter que l'on peut enregistrer les patterns du séquenceur quand même !)

- L'UB-XA mini est en fait un 3-voies « paraphonique » plutôt qu’un véritable polysynth 3-voies indépendantes ( ce qui est déja bien) : les 3 VCO partagent le même VCF et VCA, ce qui limite la flexibilité des voix.

Conclusion :
- Si vous cherchez un instrument accessible, amusant, analogique, avec un excellent son de filtre et un très bon prix → alors oui, le UB-Xa MINI est un excellent choix.

- Il faut garder en tête que pour ce tarif mini, certaines concessions sont faites : moins de modulation que sur des synthés haut de gamme, moins de voix, interface parfois plus minimaliste, etc.

- Par contre, si vous aviez besoin d’un synthé pour lequel vous allez créer beaucoup de patches, les sauver, rappeler rapidement, et travailler de façon sophistiquée en studio/live avec mémoire de presets => là, l’absence ou la limitation de sauvegarde de presets est vraiment dommage, et un élément à considérer sérieusement.

A voir s’il y aura une mise à jour firmware qui pourrait faire évoluer l'UB-XA mini (comme cela c'était passé pour le PRO VS mini.
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