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🌐 Internet Verified (Unverified by Owner): Controls have been validated using official web MIDI specifications (under CC BY-SA 4.0 via MIDI.guide), but not tested on physical hardware. Help us verify them by adjusting the sliders!
Behringer

JT-4000 Micro

Polyphonypoly
Engine Typepoly
Voice Count4 Voices
Timbral Parts1 Part

The Behringer JT-4000 Micro is a highly portable 4-voice hybrid modeling synthesizer inspired by the legendary Roland JP-8000. It features 2 analog-modeling oscillators per voice, a warm analog filter, an arpeggiator, and USB MIDI connectivity.

💡 How to configure the Behringer JT-4000 Micro MIDI Editorâ–ŧ

To control your Behringer JT-4000 Micro from your web browser, connect your synth to your computer using a USB cable or a dedicated USB-to-MIDI interface.

Open the MIDI Settings panel above, set the Output Port to your connected JT-4000 Micro device, and select the correct MIDI channel (default is channel 1). Once configured, you can map the MIDI CC layout sliders, draw automated parameter curves, and edit patches in real-time without installing any software.

Virtual MIDI Controller

Tweak controls to generate and route MIDI CC packages.

Mixer

(2 controls)
Ring Mod Amount (CC 95)0
Controls intensity of oscillator ring modulation.
Ring Mod Toggle (CC 96)0
Ring modulator toggle switch (0-64: Off, 65-127: On).

Oscillator 1

(4 controls)
Osc 1 Waveform (CC 24)0
Select Osc 1 Waveform type (Triangle, Square, Saw, PWM, etc.).
Osc 1 Fine Tune (CC 111)0
Oscillator 1 pitch micro-tonal adjustment.
Osc 1 Detune (CC 113)0
Detuning amount of supersaw detune / FM feedback.
Osc 1 Coarse (CC 115)0
Coarse pitch tuning for Oscillator 1.

Oscillator 2

(4 controls)
Osc 2 Waveform (CC 25)0
Select Osc 2 Waveform type (Triangle, Square, Saw, PWM, etc.).
Osc 2 Fine Tune (CC 112)0
Oscillator 2 pitch micro-tonal adjustment.
Osc 2 PWM (CC 114)0
Oscillator 2 pulse width modulation amount.
Osc 2 Coarse (CC 116)0
Coarse pitch tuning for Oscillator 2.

Filter

(3 controls)
Filter Env Depth (CC 47)0
Envelope modulation depth on the filter cutoff.
Filter Resonance (CC 71)0
Resonance feedback peak of the modeling lowpass filter.
Filter Cutoff (CC 74)0
Cutoff frequency of the modeling lowpass filter.

Envelopes

(8 controls)
VCA Attack (CC 81)0
Volume envelope attack time.
VCA Decay (CC 82)0
Volume envelope decay time.
VCA Sustain (CC 83)0
Volume envelope sustain level.
VCA Release (CC 84)0
Volume envelope release time.
VCF Attack (CC 85)0
Filter envelope attack time.
VCF Decay (CC 86)0
Filter envelope decay time.
VCF Sustain (CC 87)0
Filter envelope sustain level.
VCF Release (CC 88)0
Filter envelope release time.

LFO

(7 controls)
LFO 2 Amount (CC 28)0
Modulation depth parameter for LFO 2.
LFO 1 Wave (CC 54)0
LFO 1 waveshape selector.
LFO 2 Wave (CC 55)0
LFO 2 waveshape selector.
LFO 1 Dest (CC 56)0
Modulation destination for LFO 1.
LFO 1 Amount (CC 70)0
Modulation depth parameter for LFO 1.
LFO 1 Rate (CC 72)0
Speed rate for low frequency oscillator 1.
LFO 2 Rate (CC 73)0
Speed rate for low frequency oscillator 2.

General / Utility

(2 controls)
Modulation Wheel (CC 1)0
Standard modulation wheel controller.
Portamento Time (CC 5)0
Adjust glide rate between notes.
â„šī¸ How MIDI CC Sync Works

MIDI CC is a one-way push protocol. Synthesizers cannot be queried dynamically to read their current parameter values. To synchronize these sliders, select your synthesizer's MIDI Input Port above. When you physically tweak knobs on your synth, the slider positions will instantly update on-screen to match.

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