Union Audio LE FX Standalone FX Unit - Refurbished
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- This item is covered for 3 years
Essential Information About the DJ Union Audio LE FX Effects Processor
Essential Information About the DJ Union Audio LE FX Effects Processor
Warranty period: 3 years Only 1 product available
- 8 musical DSP effects with 2 parameters per effect, Wet/Dry control, Tap Tempo, and FX switching in latch or momentary mode.
- Tempo synchronization via automatic BPM detection and tap priority for sharp transitions and impactful breakdowns.
- Professional connectivity: balanced XLR inputs/outputs, stereo RCA, and 2 x 6.35 mm jacks to integrate into any DJ, club, or studio setup.
- Reference audio quality: internal +/-15 V rails, max +20 dBu, THD+N 0.005%, frequency response 20 Hz-30 kHz, made in the UK.
Manufacturer Information
Union Audio
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Compact, reliable, and designed for the DJ booth
Designed and manufactured in the UK, the Union Audio LE FX condenses the essentials of a dedicated multi-effects unit into a robust and easy-to-use format. It positions itself as a standalone solution for DJs and installers seeking immediate musical color without the complexity of racks.Intended use and target users
Ideal for club, mobile, and resident DJs, it is equally suitable for sound engineers and live musicians as well as studio work. Connected via send/return, auxiliary bus, or master output, it delivers reverbs, delays, and creative modulations tailored to techno, house, bass music, hip-hop, and beyond.Technical specifications
| Origin | made in the UK | Output impedance | 100 Ohms |
| Total harmonic distortion + noise | 0.005% | Dimensions | 21.0 x 8.15 x 7.2 cm |
| Frequency response | +/-0 dB from 20 Hz to 30 kHz | Weight | 1 kg |
| Noise | < -80 dBu | Package dimensions | 29.0 x 19.0 x 15 cm |
| Maximum output level | +20 dBu | Package weight | 1.7 kg |
| Input impedance | 10 kOhms | ||
Questions frequently asked
What effects are available on the Union Audio LE FX?
Two delays, analog and BPM, are complemented by reverbs, a flanger, a phaser, and a bit crusher. Two high-pass filters, Reverse and Stutter, are also integrated for transitions and builds.
Does the delay tempo sync automatically?
Automatic tempo detection is built into the delays. Tap Tempo remains prioritized to manually set the effect timing.
What connectivity is provided for a DJ mixer?
Balanced XLR inputs and outputs allow integration with a send/return loop or an auxiliary bus. Stereo RCA connections and two 6.35 mm jacks are also included.
Can the LE FX be used on the master output?
It can be connected to a master output, in addition to a send/return or auxiliary bus. Its maximum output level reaches +20 dBu, with an output impedance of 100 ohms. The internal +/-15 V rails provide headroom suitable for professional levels.
What are the dimensions and weight of the LE FX?
The casing measures 21.0 x 8.15 x 7.2 cm and weighs 1 kg.



