Behringer UB-Xa

$902.13 to $1,299.00 Price Tier: Standard

5.0 (2)

2 Critic Reviews

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Page last updated Jul 05, 2026

Pricing and availability

We compare 600+ stores and found this item at 6 stores. Prices updated July 4, 2026.

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5.0 (22)

$1,299.00

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5.0 (1)

$1,299.00

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4.4 (9)

$1,299.00 New

$1,221.71 Used (Very Good)

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3.0 (2)

$902.13 5 available New

$725.00 15 available Used

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5.0 (2)

$1,299.00

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$1,299.00

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Average Price: $1,160

Standard/Professional

$500

$1501+

Price Tier

In the Synthesizers category, Behringer UB-Xa is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

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Price History

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Description

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The Behringer UB-Xa 16-Voice 61-Key Synthesizer is a masterful blend of vintage charm and modern functionality, designed for musicians who demand both authenticity and versatility. This 16-voice polyphonic synth is inspired by the legendary Oberheim OB-Xa, bringing its iconic analog sound into the 21st century. With 32 analog oscillators powering its bi-timbral architecture, the UB-Xa delivers the lush tones of the '80s alongside contemporary features like velocity sensitivity and polyphonic aftertouch. Whether you're crafting booming brass, plush pads, or lightning leads, this synth provides a dynamic and expressive playing experience.

The UB-Xa's flexibility doesn't stop there. Its split keyboard function allows for layering two distinct sounds, unlocking vast sonic possibilities. With 512 user program memories, you can easily save and recall your favorite patches, ensuring seamless transitions during live performances or studio sessions. The 8-channel modulation matrix, dual LFOs, and dedicated VCA and VCF envelopes offer extensive sound-shaping options, allowing for intricate and personalized creations.

Connectivity is robust, featuring MIDI over USB and 5-pin DIN ports, alongside multiple foot pedal inputs to integrate into any setup. With its powerful dual-layer mode, the UB-Xa is not just a homage to a classic, but a tool for modern sound exploration, perfect for those looking to push the boundaries of their musical expression.

Key Features:

16-voice polyphonic synthesizer with 32 oscillators
61 semi-weighted keys with velocity sensitivity and polyphonic aftertouch
Bi-timbral architecture for split or layered sounds
512 user program memories for easy recall of custom presets
8-channel modulation matrix and dual LFOs for extensive sound sculpting
Comprehensive MIDI implementation with USB and 5-pin DIN connectivity
Multiple foot pedal inputs for enhanced performance control

Product specs

Type	Keyboard Synth
Analog/Digital	Analog
Number of Keys	61
Type of Keys	Full-sized
Aftertouch	Polyphonic
Velocity Sensitive	Yes
Polyphony	16-voice Bi-timbral
Oscillators	32
LFO	2
Filter	1 Low-pass, 2-pole, 4-pole, Switchable
Envelope Generator	VCA, 2 x VCF
Audio Outputs	3 x 1/4" TRS (left, mono, right)
Headphones	1 x 1/4" TRS
USB	1 x Type B (2.0)
MIDI I/O	In/Out/Thru/USB
Pedal Inputs	1 x 1/4" TRS (vibrato), 1 x 1/4" TRS (filter), 1 x 1/4" (sustain), 1 x 1/4" (program), 1 x 1/4" (hold)
OS Requirements - Mac	macOS 10.10 or later
OS Requirements - PC	Windows 7 or later
Power Source	Standard IEC AC Input
Height	4.29"
Width	41.14"
Depth	13.78"
Weight	25.79 lbs

FAQs

Is the Behringer UB-Xa a polyphonic synthesizer?: Yes, the Behringer UB-Xa is a 16-voice bi-timbral polyphonic analog synthesizer, allowing for complex layering and rich, full sounds.
Does the Behringer UB-Xa have velocity-sensitive keys?: Yes, the Behringer UB-Xa features 61 full-sized, velocity-sensitive keys with polyphonic aftertouch for expressive playing.
What kind of filters does the Behringer UB-Xa have?: The Behringer UB-Xa is equipped with a low-pass filter that can be switched between 2-pole and 4-pole configurations, adding versatility to its sound shaping capabilities.
Can the Behringer UB-Xa connect to a computer via USB?: Yes, the Behringer UB-Xa includes a USB Type B (2.0) port for MIDI connectivity, allowing it to integrate seamlessly with computer-based setups.
What are the audio output options for the Behringer UB-Xa?: The Behringer UB-Xa provides three 1/4" TRS audio outputs (left, mono, right) and a 1/4" TRS headphone output for versatile audio routing options.

Videos

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Andertons Synths, Keys and Tech

World's First Look at the Behringer UB-Xa!

Andertons Synths, Keys and Tech

Behringer UB-Xa - Factory Presets Demo (Sounds Only)

wolfgang S vukan

Behringer UB-Xa Demo No Talking

Pure Ambient Drone

Reviews

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PROS

Authentic 80s Oberheim sound, perfect for vintage synth enthusiasts
Easy to program and customize patches
Offers vintage modes like OB8 and OBX-a for sound versatility
Robust build quality; feels solid and durable
Intuitive control layout with firm, smooth knobs
Excellent oscillators and filter with a low noise floor
Shift function unlocks powerful Mod Matrix and secondary features
16-note polyphony allows for rich, layered sounds
Free "Ultimate Patches" sound pack enhances its capabilities
Great value for money, close clone of the original OBX-a

CONS

Key feel criticized as soft and plasticky, unsuitable for heavy use
Sustain pedal firmware issue; requires pedal before keypress
Low volume output compared to similar synthesizers
Display difficult to read from certain angles and lacks brightness settings
Lack of onboard effects; no built-in reverb
Push-to-select button may wear out over time
No cross modulation control like the original OBX-a

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Behringer UB-Xa.

Features and functionality

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The UB-Xa has 4 dedicated patch buttons, though their placement on the far right isn't ideal for quick recall during live performances.
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The UB-Xa includes semi-weighted poly-aftertouch keys, though some owners find the action underwhelming, lacking the expected weight.
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Comparisons

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The Prophet Rev2 offers more waveforms, additional LFOs, and more envelope stages compared to the UB-Xa.
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The UB-Xa features Curtis-inspired filters, contrasting with the Prologue's 2-pole filter, which draws inspiration from the MS-20.
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The Prologue's keybed is praised as one of the best non-Fatar experiences, despite lacking aftertouch, which some users compensate for with an expression pedal.
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User experience

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Sequential’s customer support is highly rated, often providing free or cost-effective repairs and parts replacement like knobs and main boards.
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Owners in the U.S. find it challenging to try the UB-Xa before buying, as Sweetwater in Indiana is the primary physical location for testing.
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Despite being labeled as semi-weighted, some users feel the UB-Xa's keys lack the expected heft, though they appreciate the poly aftertouch sensitivity.
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Software and compatibility

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The Soundtower editor is recommended for the Rev2 for easy preset backups and management, offering better functionality than other editors.
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Use cases and applications

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The Prophet Rev2 is praised for live performance due to its 16-voice capability, though it's noted to dominate studio mixes.
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The Prologue's digital oscillators and onboard compressor provide extensive tonal flexibility, allowing for unique sound sculpting not achievable with the UB-Xa.
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Critic Reviews

Behringer UB-Xa vs Oberheim OB-X8 Head-To-Head Comparison – Synthtopia

synthtopia.com

While the Behringer UB-Xa is a budget-friendly nod to the classic Oberheim OB-Xa, complete with expanded polyphony and polyphonic aftertouch, it can't quite match the OB-X8's superior sound and synthesis options. However, the UB-Xa shines as a cost-effective alternative for those seeking a vintage feel without breaking the bank. Despite lacking some advanced features like cross-mod, it remains a remarkable value proposition for pragmatists, offering much of the vintage experience at a fraction of the price. This makes it an attractive option for synth enthusiasts who prioritize affordability over brand prestige.

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Full Review

“Why is it OK for others but not for us?”: As the UB-Xa becomes “the best-selling synthesizer,” Behringer questions why it’s criticised for “taking inspiration from legacy products” when others aren’t | MusicRadar

musicradar.com

Behringer's UB-Xa synthesizer claims the top spot as the best-seller according to Thomann, thanks to its 16 voices, polyphonic aftertouch, and aggressive pricing. While Behringer boasts of Tom Oberheim's "consent" for this OB-Xa-inspired model, Oberheim disputes any such agreement. Despite its success, the UB-Xa's resemblance to classic synths continues to stir debate. Behringer defends its approach, questioning why it faces criticism for drawing inspiration from legacy products when others don't. While the synth's proprietary keybed and calibration are highlighted as selling points, the controversy around its claimed endorsements dampens the celebration.

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