Behringer UB-Xa – Analog Polyphonic Synthesizer with 80s Soul

The Behringer UB-Xa is a powerful 16-voice analog polyphonic synthesizer that pays tribute to the legendary OB-Xa design while introducing modern features for today’s musicians. This instrument brings the classic sound into the 21st century – with warm analog tone and cutting-edge control options.

Key Features

✅ Authentic Analog Sound: Built with original-spec 3340 VCOs and 3320 VCFs, the UB-Xa delivers the thick, bold character of classic 80s synths.

✅ 16-Voice Polyphony: Each voice features two VCOs, giving you massive sound layering possibilities and wide harmonic textures.

✅ 8 Vintage Modes: A dedicated Vintage mode lets you choose between eight voice signatures, including OB-Xa, OB-8, and other classic variants.

✅ 61 Keys with After-Touch: Full-size, semi-weighted keyboard with polyphonic aftertouch and velocity sensitivity for expressive performance.

✅ Flexible Modulation Matrix: 8-channel matrix with two LFOs and 7 waveform shapes allows for intricate and creative modulation routing.

✅ Advanced Arpeggiator and Sequencer: Dual-layer arpeggiator and real-time transpose-capable sequencer enable rich, evolving rhythmic patterns.

✅ Extensive User Memory: 512 user slots with “Compare & Match” function for easy control knob alignment to stored values.

✅ Full MIDI & MPE Support: Control every parameter via NRPN/CC, with complete MPE compatibility and seamless integration into modern DAWs.

Rich Sound Design and Creative Control

The UB-Xa is more than a vintage clone—it’s a modern synthesizer with deep capabilities. Its advanced modulation matrix, stereo VCAs, and analog signal path offer a broad sonic palette for studio production, performance, or sound design.

Perfect for Electronic, Ambient, and Film Music

From synthwave and cinematic textures to ambient layers and bold pop leads, the UB-Xa fits effortlessly into any musical context. Its heritage tone and forward-thinking features make it an indispensable tool for professionals.

Detailed Technical Specifications

• Polyphony: 16 voices
• Oscillators: 2 x VCO (3340) per voice – saw, triangle, square with pulse-width modulation
• Filters: Analog low-pass filters with 12/24 dB slopes and resonance control
• Keyboard: 61 semi-weighted full-size keys with velocity and poly after-touch
• LFOs: 2 with 7 waveform shapes
• Envelopes: 2 x ADSR per voice
• VCAs: Stereo VCAs per voice
• Controls: 26 knobs, spring-loaded pitch control, configurable mod wheels
• Display: High-quality LCD with encoder
• Memory: 512 user preset slots
• Connections: Balanced outputs, CV/pedal inputs
• MIDI: Full MIDI implementation with NRPN/CC and MPE support

Materials and Build Quality

Crafted with a rugged metal chassis and vintage-style wooden side panels, the UB-Xa offers durability and classic aesthetics. The keyboard provides smooth and responsive action for nuanced playability.

Included in the Box

• Behringer UB-Xa Analog Synthesizer
• User manual

Why Choose Behringer UB-Xa?

The Behringer UB-Xa combines legendary OB-Xa analog warmth with modern modulation power, MIDI integration, and a highly expressive keybed. Ideal for musicians seeking timeless tone with today’s flexibility, it’s a studio and stage-ready synth that inspires creativity at every turn.