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Electro-Harmonix EH-0400 MINI-SYNTHESIZER

3.5 (2)

2 Reviews

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2 wishlisted

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Page last updated Aug 10, 2025

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Dive into the world of sound creation with the Electro-Harmonix EH-0400 MINI-SYNTHESIZER, a compact yet powerful tool for musicians and sound designers alike. This portable synthesizer is designed to deliver a rich palette of tones that cater to both beginners and seasoned professionals. Its streamlined interface ensures ease of use, while its robust sound engine offers a wide array of sonic possibilities. Whether you’re in the studio or performing live, the EH-0400 is equipped to handle the demands of dynamic music-making.

At the heart of this synthesizer lies the analog synthesis architecture, which provides warm, authentic soundscapes reminiscent of vintage synths. The EH-0400’s 25-key velocity-sensitive keyboard enables expressive performance, making it a versatile companion for any musician. Furthermore, its intuitive controls include knobs and sliders for real-time sound shaping, allowing you to craft unique sounds on the fly.

For connectivity, the EH-0400 offers MIDI compatibility, making it easy to integrate with other gear in your setup. The built-in arpeggiator and sequencer expand your creative potential, while the onboard effects add depth and dimension to your creations. Compact and lightweight, this synthesizer is perfect for musicians on the go.

Key Features:

25-key velocity-sensitive keyboard
Analog synthesis architecture for authentic sound
Intuitive controls with knobs and sliders for real-time sound shaping
Built-in arpeggiator and sequencer
MIDI compatibility for seamless integration
Onboard effects for added depth and dimension

Videos

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peahix

Electro-Harmonix Mini-Synthesizer Analog Synth

peahix

Electro Harmonix EH - 0400 Analogue Mini Synthesizer Demo

Derry Tift

Early 80's Electro Harmonix EH0400 Mini Synthesizer

Stromer Mutroniks

Reviews

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3.5 out of 5

Based on 2 Reviews and 2 Ratings

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kenneth_martin_gammell

129

over 7 years ago

What a toy!

Because the mini-synth was touch sensitive, I would tap on the body of the synth to trigger the envelope, making it a great percussion effect. I also enjoyed the unique resonance, especially on bass notes, an electro-growl effect. Having little money back then (1980), this was my chance to bring the synthesiser sound to my band. The last time I used this was to create cheesy science fiction sounds for the TV show "Let's Bowl!" in 2001.

hardwood

over 8 years ago

Gnarly

No presets. Can be gnarly and bassey, one of a kind.

Artist usage

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Eddie Van Halen

Guitarist

Van Halen

Verified via Photo

Used for "Sunday Afternoon in the Park", as showcased in this January 9, 2015 Instagram post by his son Wolfgang.

Sunday Afternoon on a Friday #FairWarning

The Chemical Brothers

Music Producer

The Chemical Brothers

Verified via Kreativsound

In an interview with Kreativ Sound, Tom Rowlands of The Chemical Brothers discusses their pursuit of unique sounds, highlighting the use of the Electro-Harmonix EH-0400 MINI-SYNTHESIZER in their studio work.

Junkie XL

Composer, Music Producer

Tiësto vs. Junkie XL

Verified via reverb.com

Listed on Reverb.com in November 2020.

This Electro Harmonix Mini Synthesizer EH-0400 is owned by Junkie XL

Serial: N/A What a cool old unit from electro harmonix. The bottom seems to be made from cardboard and is in pretty rough shape with a bunch of tape holding it together. The unit shows some slight warping from being so old.All of the faders are in tact.

All items in The Official Junkie XL Reverb Shop ship fully insured with delivery confirmation. COA's were limited to the first 500 orders so unfortunately we do not have anymore.