Six Onboard Presets: Choose from six different onboard envelope filter effects. Vintage sounds include effects inspired by the iconic Mu-Tron© and Lovetone Meatball© pedals, as well as contemporary envelopes with thumping octave-down effects and buzzing synth-like tones.
Simple 4-Knob Control Panel: Adjust 8 different parameters with 4 knobs. Primary controls include Input Level, Modulation Depth, Frequency Starting Point, and Envelope Speed. Alternate controls (accessible by pressing the ALT button) include Envelope Sensitivity, Wet/Dry Mix, Resonance, and Output Volume.
Excellent Envelope Filter Response: Use the Spectrum's Input Gain, Sensitivity and Speed controls to dial in the perfect envelope response for your needs. Maybe you like slow and smooth envelope movement while you really dig-in on the strings, or possibly you want a quick moving filter that responds to light picking - either way is achievable with the Spectrum.
Growing Library of Published Presets: For quick access to a world of great tones, try sampling sounds from a vast collection of published presets created by the Source Audio team and the ever-growing Spectrum Neuro Community.
Unprecedented Sound Sculpting Options: The powerful Neuro Desktop Editor (Free download for Mac and Windows) and Neuro Mobile App (iOS and Android) offer maximum sound exploration possibilities. Use Neuro’s additional filter, octave, and distortion blocks to create highly unique effects.
Supreme Tracking: If tracking matters to you (and it should), you will be amazed by the lightning quick response from the Spectrum's octave effects.
128 MIDI Accessible Factory Presets – The addition of a third party MIDI controller with USB host provides access to any of the pedal’s 128 Factory presets.
Stereo Inputs and Outputs: Use the Neuro Editor’s panning controls to route each Voice to any location in a full stereo spread.
Compact Design – The durable, anodized aluminum housing has a small footprint and sturdy hardware. Dimensions: L: 4.5 in./11.4cm x W: 2.75 in./7cm x H: 2 in./5.1cm (including knobs).
Universal BypassTM – Select either analog buffered or relay based True Bypass.
USB Port - Class compliant USB-MIDI allows the Spectrum to work as a plug-and-play device with recording software running on Mac and Windows recording software or any third party MIDI controller with USB host. The USB port also offers connectivity to the Neuro Desktop Editor providing access to deep editing possibilities and pedal firmware updates.
External Expression and Tap Tempo Control — Use the Control Input jack with the Source Audio Dual Expression Pedal (expression control to multiple parameters) or Tap Switch (adjust LFO rates on the fly).

The Spectrum Intelligent Filter responds to MIDI Program Change (PC) and Continuous Controller (CC) messages via its mini USB port. The USB port handles communication between the Spectrum and digital audio workstations (DAW) on Mac and Windows machines as well as external MIDI controllers with USB host support (we recommend the DMC.micro from Disaster Area Designs)

Preset Saving – Save up to 128 effect presets.
MIDI Mapping – Use the Neuro Desktop Editor to easily map MIDI Continuous Controller (CC) messages to a comprehensive list of parameters.
Preset Recall - Use MIDI CC numbers 103 & 104 to recall any of the Spectrum's 128 MIDI accessible presets.
MIDI Clock – Sync the Spectrum's LFO rate with external MIDI clock messages.
The Neuro Hub - Connect the Spectrum to the Neuro Hub and use MIDI CC messages to control parameters or recall presets.
Note: As of Hub fw 1.18 and Spectrum fw 1.05, the Spectrum can now be added to scenes, is visible through the Hub, and can be controlled by PC messages, giving you the full access to 128 preset slots.

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