SKU: 24280439531

Subdecay Prometheus DLX Envelope Filter

Sale price$146.25 Regular price$162.50
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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21

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Description

Subdecay Prometheus DLX Envelope FilterThey say: More than an envelope filter. The most versatile filter pedal on Earth just got better. Once again weve knocked the world of filter pedals off its axis. Practically infinite filter options including warp LFOs, step control and random sample hold. Autowah, envelope filter, step filter, random sample hold filter, even a pixelated envelope filter. This one does it all. An analog filter with digital control. We made sure to not build in any

They say:

More than an envelope filter.  The most versatile filter pedal on Earth just got better.

Once again we’ve knocked the world of filter pedals off its axis. Practically infinite filter options including warp LFOs, step control and random sample/hold. Autowah, envelope filter, step filter, random sample/hold filter, even a pixelated envelope filter. This one does it all.

 An analog filter with digital control. We made sure to not build in any artificial limitations. The filter sweep goes above and below normal guitar frequencies, and works well with other instruments such as bass and synthesizers. Select between lowpass, bandpass and highpass filters, and virtually unlimited ways to manipulate them.

We took the mad science of the original Prometheus and multiplied it, adding features that not only increase the sonic possibilities, but also make it easier to use. The DLX is a re-imagined Prometheus that uses all the knowledge we gained from The Quasar DLX, and our experience making the most exciting filter pedals in the world. We also added some improvements. More resonance? Yep! Tap tempo? You got it! For even more headroom the DLX will operate at 18 volts. There’s even an internal switch to add a dry signal blend to the bandpass filter. (See, we love you bass players too!)

While the options are nearly infinite, we made sure to keep things simple enough so that the average guitar player could figure them out in a few minutes.

The Prometheus DLX has nine basic functions:

  • Analog envelope – forward and reverse.
  • Step – tap tempo step filter based on 7 LFO shapes.
  • Trigger LFO – tap to trigger one LFO cycle.
  • Manual LFO – Manually control LFO speed.
  • Warp LFO – tap tempo LFO speed with wave shape warp.
  • Pixilated Envelope – sample/hold envelope control.
  • Envelope Trigger – Envelope triggers LFO.
  • Envelope->LFO manual – Envelope drives LFO speed. Fixed sensitivity.
  • Envelope->LFO – Envelope drives LFO speed. Variable sensitivity.

In each of these settings, the WARP control and TAP/HOLD serve different purposes to get the most out of each effect.

The expression pedal input can be used with any non-envelope functions. Depending on the shape & mode settings the expression pedal has a different effect. For example, in trigger LFO mode the LFO shape is mapped to the expression pedal. Select the ramp wave for a “standard wah” effect. Choose the saw wave for a reverse wah. The triangle/square wave is especially strange.

Shipping Notes
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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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 24280439531

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4.7 ★★★★★
Based on 26 reviews
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J
Verified Purchase
Jim Wallace
Carnegie, US
★★★★★ 5
Save some money by doing your own cabin filter change! (You won't notice a difference).
So, one day I was getting an oil change at the dealership, and the associate told me that cabin filter was pretty dirty, which I believed because of the places I take the car, and she said that they could change it while they were finishing up the rest of their inspection, since they already had it apart. I asked her "How much?", and then we both had a laugh when she said "$90." I told her I'd take care of it. It took two days for Amazon to get a replacement filter to me, twenty minutes to watch a You Tube video showing how to replace the cabin filter on my car (I watched it twice), and then about twenty-five minutes to replace the filter itself--I keep a messy glove compartment, so a good portion of the time was loading and unloading that nightmare. In the end, under $15 for the filter, maybe 45 minutes to watch and replace, and the cabin filter hasn't been this good since I first bought the car. This replacement version was as good as the OE filter, fit exactly the same, there's no difference in airflow that I can tell, and so far (6 months later), it seems to be holding up pretty well. We'll see what it is like after a year. I did get the oil changed about a week ago, and the technician didn't raise any alarms about the filter, so everything seems to be working. $90 for a new filter? You can do it yourself cheaper.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
C
Verified Purchase
chad martin
Massapequa, US
★★★★★ 4
Fresh Air Upgrade for My 2024 Impreza
Installed this in my 2024 Subaru Impreza, and it fit perfectly—no issues. The air smells noticeably cleaner now, and it took less than 10 minutes to swap out. The carbon and HEPA filtration does a great job clearing out odors, dust, and pollen—definitely an upgrade over the factory filter. The build feels sturdier than the OEM version, though it does have slightly fewer pleats. Might mean it needs replacing a bit sooner, but for the price and performance, I’m fine with that tradeoff. If you’re looking for a quick, affordable way to improve your cabin air, this one’s a solid pick. 
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Reviewed in the United States on June 26, 2025
G
Verified Purchase
Gram21
Cuba, US
★★★★★ 5
Well built, good fit.
I like it so well, I just bought two more to keep on the shelf for when the price doubles. Seems better built than oem, but I don't know how you can judge the filtration; seems good though.
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Reviewed in the United States on May 6, 2026
L
Verified Purchase
LJ
Draper, US
★★★★★ 5
Great product
Perfect fit for 21 Cross Trek
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Reviewed in the United States on February 12, 2026
M
Verified Purchase
Mr Frosty
Los Angeles, US
★★★★★ 5
Good fit, good value
Style: CF12436 Classic, Style: CF12436 Classic
Purchased this filter for my 2023 Outback. First off changing the cabin filter on this model Subaru is amazingly easy and can be done with no tools and no more then 5 minutes. Pictures posted show packaging, the paper "Blue" filter side, the "Black" charcoal side and the foam outer edge. The filter is well made and is very sturdy as the outer shell is plastic vs. other paper filters that are more flexible. Holding the filter in your hand and giving it a slite shake you can hear the activated charcoal within it. After installing the filter I had a few trips in the car, did I notice any difference in the air quality coming into the cabin....... no. But does this mean its not working? also no. What I can say is the filter fit snug and left no gaps, and with the plastic surroundings and foam in sure the filter will not be letting anything get by as it passes through the system. All and all this filter is well made and sturdy, and seems to be a good value with other paper only filters being about the same price.
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Reviewed in the United States on May 4, 2026

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