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Description
pedal flanger SFL-20 | Flanger Pedal*Swoosh* *Whoosh* (Flanging) One of the most unique modulation effects is the Flanger. Legend has it, Flanging was first discovered in an early recording studio using reel to reel tape machines. Two reel to reel machines with the same audio track on them were synced to start at the same time. Then, the studio engineer pushed his thumb against the flange of one of the machines to slow it down and knock it out of sync and flanging was born. At its root,
*Swoosh* *Whoosh* (Flanging)
One of the most unique modulation effects is the Flanger. Legend has it, Flanging was first discovered in an early recording studio using reel-to-reel tape machines. Two reel-to-reel machines with the same audio track on them were synced to start at the same time. Then, the studio engineer pushed his thumb against the flange of one of the machines to slow it down and knock it out of sync... and flanging was born. At its root, a Flanger takes 2 copies of your audio signal, and delays 1 by mere milliseconds. That delay time then continues to change at a constant rate. On our SFL-20 Flanger, you can manipulate that time by adjusting the Rate knob. The Color knob, Range knob, and Filter Toggle help you dial-in the harmonic and sweeping reaction of the effect.FEATURES:
- Classic and Warm Flanging Effect
- True Bypass Provides Transparent Tone in Off Setting
- Toggle Switch Selects a Normal or Filter Mode
- Rate Knob Controls the Speed of Flanging
- Color Knob changes the Fullness of the Flanging Effect
- Range Knob sets the Depth of the Flanging Effect
- Solid Aluminum Housing with Firm Foot Switch
SPECIFICATIONS:
- Dimensions: 3.75 L x 1.77 W x 1.9H Inches
- 9VDC Input (- center, + outside), 10 mA
- 470K Ohms Input Impedance
- 470 Ohms Output Impedance
- .53 lbs (including box)
- Solid Aluminum Housing on All Sides
- 1/4 Inch Input and Output Connectors
Detailed Operation
The Flanger Guitar Effects Pedal from CNZ Audio brings that classic, warm and wildly popular flanging effect all into one compact pedal! This pedal can spice up your playing with a crisp and clean flanging sound all while preserving your unique guitar tone.
The Toggle switch allows for a choice between 2 different settings for your electric guitar. With the Switch set to Normal, the Flanger will send it’s unique, flanging signal through your pedal chain. When you change the Switch to Filter Mode, the pedal will add bed of warmth and fluctuating tone underneath the original flange sound.
The Color Knob adjusts the amount of signal that will be influenced by the flange effect. Turn this Knob down for a more subtle effect and crank it up for an intense flange!
The Range Knob adjusts the depth of the flange effect. Turning the Knob clockwise will increase the depth and turning counter-clockwise will decrease the depth of the effect.
The Rate Knob adjusts the speed at which the flanger will modulate. Dial in the perfect speed to play along with your favorite songs or create your own effect! The True-Bypass Footswitch allows for your tone to come through the pedal unaffected in the “off” position. Inspire your Music with CNZ Audio!
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.2 ★★★★★
Based on 2195 reviews
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Product Reviews
★★★★★ 5
Attractive
Size: 4 Panel-88'', Color: Grey
The assembled product is just as described. The screens look great! I am using them to hide the cluttered shelving in my garage. The area now looks quite neat Something I must say, though, is that the assembly was extremely difficult. I had to use a silicone spray and some pounding to get the A and B poles to fit together. Also, it required a great deal of strength to stretch and hold the fabric panels so that the bars inserted in each hem lines up with the screws inserted in A/B poles. I strongly recommend having a partner to help with the assembly.
while sc and screw into poles them once inserted intetchedtne end of each pole ( and B poles barely fit together. I used silicone spray on the end and then pounded them
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Reviewed in the United States on December 12, 2025
★★★★★ 5
Works
Size: 3 Panel-102'', Color: Beige, Size: 3 Panel-102'', Color: Beige
It’s beige and not white. Once install - hard to disinstall. Need a drill to put it together
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Reviewed in the United States on May 4, 2026
★★★★★ 3
Does the job, but assembling by yourself is a nightmare
Size: 4 Panel-88'', Color: Black
Does it do the job? Yes, although as others said there are small gaps but it's not a huge deal. The price is also good. But the reason I'm giving it a 3/5 is simply because the assembly for this was a complete nightmare. I honestly don't think I would recommend this to anyone unless they have another person to help them assemble it, because doing it by myself was terrible. I don't think I'd buy this again, I think I'd opt to just spend a bit more money and save myself the trouble personally.
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Reviewed in the United States on May 29, 2026
★★★★★ 4
Reasonably adequate room divider
Size: 4 Panel-88'', Color: Beige
I'm reviewing this as I assemble it.
Couple things:
1. I didn't expect as much assembly. I've ordered dividers before and they more-or-less came as one unit. Sometimes the panels needed screwing together. These require complete assembly and come largely as three rods: two make up vertical columns and snap together. Another one (called part "C") makes the horizontal columns and you have two of these per panel (one attaches to part "A" and the other part "B"). These parts are metal with a plastic shim. Using the wood screws to attach to part "C" is a real pain in the neck. There's not much holding the panel in place so it's a little tricky.
One tactic I've found while I'm assembling that works for the initial connections from parts A and B to their respective "C" rods is to hold the screw in place with a screw driver and then rotating the rod around the screw. This will do a number on your hands if you aren't wearing gloves. This obviously doesn't work when completing the connection.
Using a driller driver on this is really near impossible because there isn't anything you can use to secure it in place. You can use it on the first panel, but as it gets longer, it becomes increasingly difficult and because it isn't wood, it's really tight. I considered drilling larger pilot holes but since there are only 4x4=16 screws I need to screw in, I just decided to use my screw driver to complete it.
2. Also related to assembly. When completing the panels (attaching parts "A" and "B" to parts "C" that have the cloth cover on it), you have to be careful that when you tighten that side that it isn't loosening the other side. Because the pilot holes are so tight, you can end up rotating the rod, which rotates it in the same direction as looser on the original side. Having someone hold the "C" rod in place while you screw it in is probably the easiest approach. I didn't have a 2nd person, so I just had to keep flipping back and forth and tightening both sides as I screwed it in. Not the worlds biggest deal, but annoying nonetheless.
3. The way the instructions are written, they seem to suggest building this thing progressively; that is, you do panel 1, then 2, connect them together, then do 3 and connect it, etc. I took a different route that I suspect saved me quite a bit of trouble, and I assembled all four panels first and THEN connected everything together.
4. For the love of God make sure you check that the plastic tip is on the same side for every panel. Otherwise, you have to take one side apart again and reverse it. On the bright side, if this happens, you've essentially bored out the pilot holes to be the correct size... which is having me question if I shouldn't have just bored them out to the appropriate width in the first place.
5. Attaching all of the panels together is also an enormous pain in the ass unless you happen to have an 88" long elevated surface. Attaching the legs either requires you to elevate one side, which will invariably twist the inexplicably cheap material in the bottom connectors... or you can attach them sideways... or you can put this thing upright, having two people hold the panels in place while you use the allen wrench to tighten the bolts on the underside. None of those are particularly great options.
NOW on to the utility itself.
1. The panels do let some light through (I didn't believe their advertising, and that was one of the reasons that I bought beige, is that I wanted it to not be too dark). They aren't transparent though, so it isn't that far off from their description. They functionally work great, and keep the mess of wires hidden and when I'm sitting at my desk, actually reflect quite a bit of light into my office. Great!
2. My wife has described these as "the most hideous piece of furniture ever conceived of by man." So it does not have spouse approval factor. Granted, she will seldom be in my office area, so that isn't the end of the world.
3. These are really hard to align in a way that doesn't look a little tacky. There are some plastic connectors but they don't do a bang up job of keeping these in place. Each panel is slightly tilted and it's... quite obvious. I may at some point make my own improvements to these to help make them more level. It's not a particularly expensive product so I wasn't expecting much so it's fine and I'm not going to ding them on the rating because of it.
All said, would I buy this product again? Probably not. It's assembly was ~90 minutes which is about 75 minutes longer than I was anticipating spending on this (not including the 5 minute writeup that I'm doing here). But am I going to return it? Also no, if for no other reason I'd be just as annoyed taking it apart and putting it in the original box to return it.
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Reviewed in the United States on October 31, 2023
★★★★★ 5
Love it it was perfect for what I needed it for. Good quality!
Size: 4 Panel, Color: Black
It like a very dark chocolate brown/black. What I liked most about it is that you just pull it out of the box take the long plastic film off of it and it's ready to go. It has protective feet on the bottom. It's very attractive and it was so easy. It's so nice when you have a product you don't have to assemble.
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Reviewed in the United States on May 13, 2026