Authentic emulation of iconic 1976 Boss CE-1 Chorus Ensemble*
Perfectly captured bucket-brigade circuit for thick chorus and vibrato effects
Stunning emulation of vintage analog preamp for fat tones and effects
Volume control true/buffered bypass, preamp off/on
Timeless UA design and craftsmanship, built for decades of dependable performance
Add ’70s Analog Movement and Vibrato to Anything
The Brigade Chorus plug‑in emulates every inch of the legendary BOSS CE‑1 Chorus Ensemble* pedal introduced in 1976, giving you rich analog chorus and chewy vibrato that flatters your guitars, vocals, and synths with luxuriant, dreamy textures.
Explore Rich Bucket-Brigade Chorus Effects
Gently enhance or excite your tones and paint sounds with milkshake-thick chorus, thanks to a complete emulation of the original analog bucket-brigade design made famous by everyone from Rush and The Cure to Herbie Hancock and the Red Hot Chili Peppers.**
Add Texture and Shimmer with Vibrato
From sea-sick to subtle, get warm modulation effects and transform your guitar parts into ear-catching gems, from faux rotating speaker effects to gentle detuning.
Get Fat Analog Boost Tones
By perfectly capturing the vintage CE-1's coveted analog preamp, you'll add volume and texture to not just your modulation effects, but to your overall tone, for more sustain and punch.
Old School Cool, in a Compact Stompbox
Built for years of hassle-free performance, Brigade Chorus & Vibrato features true/buffer bypass and preamp off/on switches, plus all the analog magic of the vintage effect — in a slick, compact pedal.
UAFX pedals require an isolated 9 volt DC, center negative, 2.1 x 5.5 mm barrel connector (same as standard Boss connectors) power supply that can provide the following current requirements: Full-sized UAFX pedals (with two footswitches) require 400 mA (milliamps) of current; Compact UAFX pedals (with a single footswitch) require 250 mA (milliamps) of current
Connect the pedal using a USB-C cable to your compatible computer, and run the UA Connect application to update your firmware.
Dual footswitch UAFX pedals have Bluetooth, and you can download the UAFX Control mobile app from the Apple App Store or Google Play Store, to connect to your pedals and access additional functionality.
Each UAFX pedal has unique functionality. We recommend carefully reading the accompanying manual for each pedal here.