SKU: 75525251538
boss cs-3 compressor/sustainer pedal

boss cs-3 compressor/sustainer pedal Boss CS-3 Compression Sustainer Modifications – Fromel Electronics

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Description

boss cs-3 compressor/sustainer pedal Boss CS-3 Compression Sustainer Modifications – Fromel ElectronicsBoss may not be synonymous with boutique tone, but this modification kit from Fromel Electronics will take your harsh, tubby CS 3 compressor and push it into new and much more desirable tonal territories. The modification kit adds clarity to chords and presence to single note lines. With snappy pick attack and twangy, in your face sustain fueled licks, the CS 3 mod is like giving your tone a bear hug without suffocating it. Included in this kit are

Boss may not be synonymous with boutique tone, but this modification kit from Fromel Electronics will take your harsh, tubby CS-3 compressor and push it into new and much more desirable tonal territories.


The modification kit adds clarity to chords and presence to single note lines. With snappy pick attack and twangy, in-your-face sustain fueled licks, the CS-3 mod is like giving your tone a bear hug without suffocating it.


Included in this kit are detailed instructions, including photos, and all the parts to turn your CS-3 in to an incredible tone machine. No longer will your tone be weak, thin and full of hiss. Instead, these modifications add richness and
depth, increased headroom, better bass response and full body to the signal. The result is compression that sounds natural, clean and warm.

· 1n34a Germanium diodes replace the silicone diodes in the signal path producing a warmer tone

· Every capacitor in the signal path is replaced with high quality audio grade capacitors for better tone and less noise. Power supply caps are upgraded to allow the pedal to run a up to 18V for more clean headroom. 

· Capacitor values are corrected to produce a rich full tone, and noise free operation.

If you have basic soldering skills and can follow directions, this is an easy project. Don't pay hundreds of dollars for a boutique compressor when you can upgrade your CS-3 for far less.

NOTE: in 2017 Boss produces the some pedals with surface mount technology. This mod kit will not work on the new Boss pedals with a surface mount PCB. Review the image with this product listing for more information.

This is a kit to modify your pedal and there is no pedal included in this kit.

Required Tools/supplies

* YOUR Boss Pedal
* Soldering Iron
* Solder
* De-soldering braid and/or solder sucker
* Phillips head screwdriver
* Wire Clippers

 

Click here for info about sending your pedal in for modification.

. 

Shipping Notes
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Exchange/Return Notes
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  • 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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SKU: 75525251538

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Tram
Pawtucket, US
★★★★★ 5
Excellent value for money!
Size: 934W-Z, Color: Black, Size: 934W-Z, Color: Black
I absolutely love this office chair! I needed a chair that could support my standing desk without sacrificing comfort, and this one completely exceeded my expectations. It's incredibly sturdy and durable, well-made, and the height adjustment is super convenient, making it easy to find the perfect fit. Even during long hours of work, the seat is comfortable, and the ergonomic design effectively reduces pressure on my back and legs. I love its clean, modern look—it fits my home office perfectly. Assembly was quick and easy, and for this price, the quality is absolutely fantastic!
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Reviewed in the United States on February 24, 2026
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Lisa Bjornstad
Houston, US
★★★★★ 5
Perfect chair!
Size: 934-Z, Color: Blue, Size: 934-Z, Color: Blue
I have an adjustable-height desk (also purchased from Amazon) and needed a drafting chair for those times when my body gets tired of standing. This chair fits the bill and then some! I put it together myself; it took me about an hour, but would take me about half that next time, since now I know what to do (and what NOT to do!). All the parts were there; there are even spare parts (see photo). All the holes were drilled in exactly the right places, too, which isn't always the case when I buy things from Amazon (my standing desk is a great example). The chair fits me; I'm short (5'3.5"), and often the seats of furniture are too deep for me to rest my feet flat on the floor. The depth of the seat on this chair is just a little over 18 inches, and with the adjustable footrest ring, it's perfect. I don't think a tall or heavy person would fit in it, to be honest. But it's perfect for those of us who are vertically challenged. I love that it glides easily on my hardwood floors and that it turns 360 degrees. The chair comes in numerous luscious colors, so take your pick! It is very sturdy, has good lumbar support, and the seat and seat back are very comfortable. And the arms flip up, which was an absolute must when I was shopping for this chair. I got it on sale, too -- $109.00 -- and I'm delighted with this purchase.
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Reviewed in the United States on April 23, 2026
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PenLady
Lake Worth, US
★★★★★ 5
Excellent adjustable drafting chair
Size: 934-Z, Color: Blue
Excellent chair design, extremely comfortable and exceptionally easy instructions to follow making for simple assembly. Love the amply wide cushioned seat and ergonomic backrest. The height adjustment feature works perfectly as well as positioning of the foot ring . Having the ability to raise the arms is also a big plus! I highly recommend this product for attractive appearance, comfort features, functionality and operation. Really nice chair!
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Reviewed in the United States on April 13, 2026
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Sandra
Chelsea, US
★★★★★ 4
Comfortable, stylish, and perfect for long work hours 💗✨
Size: 934-Z, Color: Pink
I bought this chair because I spend a lot of time working and needed something comfortable but also stylish, and I absolutely love it. Since I started using it, I feel much better support in my back thanks to the lumbar support. It makes a big difference, especially during long work hours. The adjustable footrest is also a feature I didn’t know I needed, but now I use it all the time. The flip-up armrests are very convenient because I can adjust them depending on what I’m doing or move them out of the way when needed. The pink color is beautiful and adds a soft, elegant touch to my workspace. It looks great in a modern home office. It feels sturdy, well-made, and very stable. Overall, it’s a great purchase that improved both my comfort and the look of my workspace.
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Reviewed in the United States on April 29, 2026
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Amazon Customer
San Leandro, US
★★★★★ 5
All-around thumbs up!
Size: 934W-Z, Color: Black
So far, so awesome. Easy to assemble, comfortable, arrived quickly and is exactly what I was looking for. I have a tall work bench in my new studio so I needed a chair that we could allow me to sit higher than a regular office chair and allow me to get off my feet after standing on the concrete floor. Plus its a nice looking chair that I am sure will last a long time. I love the flip-up arms and the lumbar support. This is just right!
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Reviewed in the United States on May 8, 2026

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