Studio Electronics EXT Box Multi-Function Controller For The SE-02 Is Available Now!

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Studio Electronics EXT Box external controller expands the Roland SE-02 analog Synthesizer with new features, inputs/outputs & more. It’s available now!

Studio Electronics had quietly introduced at NAMM 2018 an external controller for the Roland SE-02 analog Synthesizer. The new EXT Box gives owners of the SE-02 a variable high-pass filter with drive control, an interface to 1/4 connection world, a secondary CV input and more. Another feature is that it comes with a big cutoff knob for smooth or sharp articulated sweeps.

The company has announced this week that the EXT Box is available now from the official Studio Electronics shop.


Designed specifically for the SE-02, the EXT Box is a multi-function external controller, an 1/8″ to 1/4″ converter, offering high CV resolution filter frequency control (with a full-sized knob), a drive-adjustable hi-pass filter with attenuation, rich overdrive and potent boost, expanded external input control, and expressive gate triggering, for external signal/sample manipulation. Ships 9.21.18

Everything it does for the SE-02 it can do for anything else—desktop synths and synth modules—like our Boomstar and Tonestar,


  • Variable high-pass filter with drive control, for severe distortion and gain boost with on/off switch
  • Interface to 1/4 connection world: external input, audio output
  • Secondary CV input
  • Filter CV source switch (knob or secondary source selection—such as your modular)
  • 3 gate options: fixed gate switch, momentary gate switch (transformer), external gate input
  • Large filter control knob for smooth or sharp highly articulated sweeps
  • Back panel 1/8″-1/4″ connections: 1/8” and 1/4″ inputs; 1/8” and 1/4” outputs
  • Din interconnect: Output, Ext Input, VCF CV, Gate (cable included)
  • True bypass
  • Eurorack compatible
  • Interfaces with other desktop and modular synths.
  • 12v 3 prong low profile power adapter (one socket space)
  • Metal and wood sides not included

The EXT Box is available now for $125 USD in the Studio Electronics web shop.Identical Roland style metal sides will be available separately for $17.99 USD.

More information here: Studio Electronics

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