kma guitar pedals KMA Machines ABY Stereo Passive
SKU: 24790736350
kma guitar pedals

kma guitar pedals KMA Machines ABY Stereo Passive

Sale price$26.10 Regular price$29.00
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Description

kma guitar pedals KMA Machines ABY Stereo PassiveTo A and B or not to B, in stereo that is the question. Enrico Shakespeare, ye olde scribe of Berlin Theres nothing new about ABY boxes. Theyre a very commonly used accessory and a staple part of many setups out there. But if they are so common, then why is it so difficult to find one in a stereo format thats well built, noise free AND affordable? This is a question we kept encountering as we use many stereo devices daily here at KMA, plus we know

To A and B or not to B, in stereo - that is the question.” Enrico Shakespeare, ye-olde scribe of Berlin

 There’s nothing new about ABY boxes. They’re a very commonly used accessory and a staple part of many setups out there. But if they are so common, then why is it so difficult to find one in a stereo format that’s well built, noise-free AND affordable? This is a question we kept encountering as we use many stereo devices daily here at KMA, plus we know that a lot of users are just as mesmerised by the wide sonic worlds of stereo as we are. So, we made a killer stereo ABY switcher to use here at our workshop. In the process we found it so useful, so we decided to make it available to the world too in a pedal format.

Whether you’re looking to switch or combine your stereo input signal between two separate destinations or switch or combine two separate stereo input signals into a single output, the KMA Machines STEREO ABY pedal is a dependable little helper for your tonal quest. Created with a focus on durability, reliability, simplicity and hassle-free operation, this passive ABY switcher also features True Bypass active silent relay-based soft switching to reduce mechanical noise and unwanted pops and clicks when in use. So, all you have to do is choose your path and perform!

Main Features

  • Passive Stereo ABY pedal, with active switching 
  • Sends a stereo input to two separate stereo outputs, separately or combined   
  • Sends two stereo inputs to one stereo source, separately or combined   
  • True Bypass   
  • Active silent relay-based soft switching, heavily reduces mechanical noise and pops    
  • Omnidirectional for 2 into 1 or 1 into 2 operation, plus in Stereo!   
  • Distinct LED colours, to indicate your selected signal path at a glance   
  • Durable compact enclosure for years of reliable switching   
  • Top-mounted jacks, will fit into any setup   
  • Made in Berlin, Germany    
  • Power by opt. 9 V PSU - (9 V DC, centre -, 2.1 mm, >40 mA max. current draw)    

KMA’s STEREO ABY features a fully passive design for the best signal integrity, along with our True Bypass active silent relay-based soft switching.  While that might be a hell of a wordy mouthful, what it means practically is that the audio signal itself is entirely untouched and without any colouration. Plus, you can use the device in either direction, for sending to different sets of amps or effects or for switching inputs/ instruments/devices into your chain.     

However, the actual switching is taken care of by our reliable and sturdy soft switches as a separate active circuit. By employing this switching technology, mechanical noise is greatly reduced, as is the risk of those pesky loud clicks and pops that have plagued so many boards and has haunted so many musicians, since the inception of ABY boxes.     

The bears eyes light up - how awesome is that!? Okay, besides just looking cool and fulfilling our boyhood dreams of an army of robot bears with freaking lasers as eyes, the 3 distinct LEDs actually serve a practical purpose; to quickly and easily show you what signal path you’ve selected at a glance. Red for A, Yellow for B and Blue in the centre for A&B.    

This neat accommodating Stereo device seamlessly integrates with your existing setup.  It's compact, rugged, lightweight, durable, affordable and can be powered via a standard 9V DC power supply. In addition, without tooting our own horn too much, it just looks awesome. All helping to make it feel right at home amongst the artistic landscape that is your pedalboard. What’s not to like?    

So, will you choose A, B or both? With the KMA Machines ABY Stereo, the fate of your signal is in your hands!   

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 24790736350

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4.6 ★★★★★
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R
Radar
Boise, US
★★★★★ 5
Replacement Roller brush for my robovac
when you have long-haired dogs... these rollers WILL get tangled up with yards of hair...and although you can (and we do) take them out...and clean them off, after a while, the design of the roller is changed because of these tangles... This replacement roller is great, easy to install, and cost effective. would recommend if for no other reason, than keeping my house cleaner
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
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Lyle Swann
Boise, US
★★★★★ 5
Fits Perfect
This fits my cordless P10 Pro perfectly. It has some foam and hard grooves for picking up debris. The part feels very solid, not cheap or low quality at all. Be sure your Dreame is one of the models listed as this only fits those. It won't fit any of the other brands that share some of the Dreame parts (like Mova, for example). The rollers do eventually wear and reduce performance. This is a nice alternative to the name brand.
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Reviewed in the United States on December 19, 2025
G
Verified Purchase
Gio Garcia
Fort Morgan, US
★★★★★ 5
Good Replacement Set
Style: 19 Pack
Good replacement set for the price. Parts are basically like the originals and are easily installed for a perfect fit for the 25C.
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Reviewed in the United States on July 11, 2025
D
Verified Purchase
dacker
Lowell, US
★★★★★ 5
Rejuvenates your Robovac, but one caution
I was a little wary buying third-party aftermarket parts for my Eufy Robovac 30c, however, all the parts in this kit are virtually identical to OEM parts. I replaced all three brushes and all three filters and let it loose on my Golden Retriever-inhabited living room. I can honestly say the result was a 50% increase in the amount of fur collected. I suspect that over time there is a loss of performance so gradual that it's easy to not notice. I assume the new filters returned the vacuum power to it's original level of suction was a big factor. When I was browsing through all the available choices here on Amazon, a plastic "ring" kept appearing in many of the product images, however, people did not know what it is for or simply did not get one in their shipment. If you look at the photos I've attached one can see that I did indeed get one and figured out its purpose, to remove fur and/or hair from the horizontal brush. The bottom line is that I would definitely buy this item again. =========== EDIT, four weeks later: Since replacing the main roller brush with the one included with this product, I have experienced several “Roller brush is stuck” shutdowns and alerts. In each case, there has been nothing tangled in the brush and the brush was free to spin. I have to say it’s quite annoying to come home expecting the floor to be cleaned but only to find this error long before the job was finished. Today it gave this error twice in one cleaning cycle. I never experienced this problem with the OEM roller brush.
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Reviewed in the United States on September 8, 2019
S
Verified Purchase
SFriedman
Whiting, US
★★★★★ 5
Euphy works good as new!
Style: 19 Pack
As soon as I opened the package everything looked the same- pre-filters, filters, main brush, and side brushes. I changed the big brush first;the only issue was the new brush body didn't have the white arrows to help aligning but that didn't affect how the brush worked. I changed filter and pre-filter, and finally the side brushes. When I turned on my "Goophy" and tried to let her run the side brushes were a little too (Goophy's side brushes sounded a little louder). I trimmed the side brushes a little and all was well. Goophy didn't want to run herself but it didn't take long for me to figure out it wasn't the new brushes ;just the operator pushing the wrong button. My Goophy Euphy did what she was supposed to do- vacuum the carpet and tile floor. Goophy Euphy still wanted to take the long way to her charging station which was nothing new and easily corrected. Over all the new brushes and filter restored Goophy Euphy back to when we first used her!
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Reviewed in the United States on July 22, 2023

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