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Description
Electro-Harmonix MOD REX Polyrhythmic Modulator PedalThe Mod Rex Polyrhythmic Modulator Pedal from Electro Harmonix is a kinetic tour de force of a pedal that lets you weave compelling, shifting, musical tapestries. It can be used by guitarists, synthesists, or electronic musicians to stretch musical boundaries and tailor sound for recording studio, live stage, and rehearsal applications. The heart of the Mod Rex pedal is its four independent modulation sections synced in time. The pedal features
The Mod Rex Polyrhythmic Modulator Pedal from Electro-Harmonix is a kinetic tour de force of a pedal that lets you weave compelling, shifting, musical tapestries. It can be used by guitarists, synthesists, or electronic musicians to stretch musical boundaries and tailor sound for recording studio, live stage, and rehearsal applications.
The heart of the Mod Rex pedal is its four independent modulation sections synced in time. The pedal features vibrato, flanger, chorus or phaser effects. The tremolo section modulates the volume of your signal; pan modulates between left and right in stereo operation; and the filter offers a choice of modulated low-pass, high-pass, and band-pass.
In addition, the Mod Rex Polyrhythmic Modulator Pedal lets you save and recall up to 100 presets, comes from the factory with 20 great programs, features full stereo input and output, and has MIDI implementation for external control and to sync to devices quickly and easily. An external foot controller input can be used to bank up and down thru presets quickly and easily.
Four Independent Modulation Sections
The heart of the pedal is its four, independent modulation sections synced in time.
Vibrato, Flanger, Chorus, or Phaser
The depth knob lets you set the amount of the effect, while feedback controls the resonance of the flanger and phaser.
Tremolo
An effect that modulates the volume of your signal. The depth control sets tremolo intensity.
Pan
Pan modulates between left and right in stereo operation. In mono operation, the pan section acts as another tremolo section, but with the wave shapes inverted.
Filter
Filter offers a choice of a modulated LPF, HPF, or BPF. In LPF (low-pass filter) frequencies above a modulated cutoff point are cut. In HPF (high-pass filter) frequencies below a modulated cutoff point are cut, and in BPF (band-pass filter) frequencies above and below a modulated center point are cut.
LFO Shape Options
Consists of rising sawtooth, triangle, falling sawtooth, or square wave. They affect the way the modulation transitions and provides advanced creative control over the specific section as well as the way they interact with each other.
Tempo Control That's Flexible
The Mod Rex delivers virtually limitless polyrhythmic possibilities. Its tempo component gives you nine note-length choices for each of the four modulation sections. They are independently selectable in increments starting at a whole note and ranging thru subdivisions that go up to a 16th note. In addition, any of the sections can be bypassed.The Mod Rex's tempo (displayed as beats per minute or BPM) is adjustable with the tempo knob, tap tempo footswitch or by using an expression pedal into its EXP input. It can also be synced to an external device with MIDI clock or an external pulse clock.
MIDI and the Mod Rex
The pedal's robust MIDI implementation enables you to sync devices quickly and easily as well as automate functions and changes, so they occur precisely when and where you want them whether you are working at home, in a studio or live. It accepts MIDI to enable it to tempo sync the modulation rate with an external device, to recall presets via MIDI Program Change messages, and to control any parameter on the Mod Rex via Control Change messages.
Extras
The Mod Rex lets you save and recall up to 100 presets. It comes from the factory with 20 great programs. The pedal features full stereo input and output. An external foot controller input makes banking up and down thru presets quick and easy.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.5 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 4
Solid performance, average low-light quality
Size: 1 Pack, Style: 1080P/30 fps, 720p/30fps, Pattern: Webcam
The Logitech C920x is a reliable webcam that delivers solid 1080p video quality for everyday use. Image clarity is good, colors look natural, and autofocus works well for video calls, streaming, and basic recording. Setup is straightforward and it works immediately with most conferencing and streaming software. The built-in microphones are usable for casual calls and pick up voices clearly in a quiet room.
One downside is that performance in low-light conditions isn’t great. Without good lighting, the image can become grainy and lose detail, and the autofocus may hunt a bit. The microphones are also average at best and won’t replace a dedicated mic. Overall, it’s a dependable webcam that does what it’s known for, but proper lighting makes a big difference.
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Reviewed in the United States on January 17, 2026
★★★★★ 5
Surprisingly good quality for the price
Size: 1 Pack, Style: 1080P/30 fps, 720p/30fps, Pattern: Webcam, Size: 1 Pack, Style: 1080P/30 fps, 720p/30fps, Pattern: Webcam
I honestly wasn’t expecting much from this little webcam, but I’ve been pleasantly surprised by how good it looks once plugged in. The video quality is clear enough for Zoom calls, online classes, or everyday use, and setup was very simple. My laptop camera quality is terrible, so this was a noticeable upgrade right away.
I also like that it clips securely onto the top of the screen and doesn’t feel bulky. The picture looked smoother and brighter than I expected for a budget-friendly webcam. I love how it folds up and is very adjustable.
Overall, this ended up being a great little camera for the price and works well for basic streaming, meetings, and video chats.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Logitech doesn’t disappoint!
Size: 1 Pack, Style: 1080P/30 fps, 720p/30fps, Pattern: Webcam
This camera does not disappoint!
I’ve been a Logitech loyalist for years so I had no hesitation ordering the C920.
This model is small and seamless for setup w/an easy to use control dashboard.
Lighting adjustments are stellar and the auto functionality helps any novice produce great media.
The small size allows for superior grip anywhere you’re wanting to get that perfect angle.
5/5 great product!
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Great Picture Quality, Easy Setup, and Works Well in Low Light
Size: 1 Pack, Style: 1080P/30 fps, 720p/30fps, Pattern: Webcam
This webcam was very easy to set up and worked right away without any issues. It is simple to use and does not require anything complicated to get started.
The picture quality is clear and sharp, and it looks good for video calls and recording. It also handles low light surprisingly well and does not get too grainy.
It is versatile and works well for different uses like meetings, streaming, or general use.
The fit on top of the monitor is secure and stays in place without slipping or needing adjustment.
Overall, it is easy to use, has great picture quality, and performs well in different lighting conditions.
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Great camera, lots of features, easy to setup and use
Size: 1 Pack, Style: 1080P/30 fps, 720p/30fps, Pattern: Webcam
Went from an eMeet camera to this, and I regret ever having spent money on anything other than this one. Camera looks great even with inconsistent lighting. Software features (ability to zoom in, move center of image, etc.) are extremely helpful.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
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