SKU: 63069454569
stereo aby pedal

stereo aby pedal KMA Machines Passive Stereo ABY Pedal w/Active Switching – Chicago Music Exchange

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Description

stereo aby pedal KMA Machines Passive Stereo ABY Pedal w/Active Switching – Chicago Music ExchangeTo 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: 63069454569

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Tenna Murray
Draper, US
★★★★★ 4
Reliable comfort
Fit Type: Boyshort, Size: X-Large, Color: Assorted Colors
I’ve tried a few cotton underwear brands, and these Hanes Originals boxer briefs are a dependable everyday option. Here’s my take after a few weeks of regular wear and wash cycles. Comfort and Fit Fabric:** 90–95% cotton with a touch of elastane/spandex for stretch. The material feels soft against the skin and breathes well, which helps avoid that suffocating feeling on hot days. Elastic & Waistband:** The waistband sits comfortably at the natural hip line without digging in. It maintains shape after several washes, which is a plus compared to some cheaper cotton blends. Rise & Coverage:** The mid-thigh rise offers modest coverage without feeling bulky. They stay in place during daily activities, workouts, and quick stretches. Style and Practicality Design:** Classic, no-frills styling that works well under jeans, skirts, or dresses. The boxer brief cut provides a little more coverage than regular briefs without feeling like bloomers. 4-Pack Value:** The 4-pack is convenient for rotation and helps keep laundry cycles simple. Inexpensive enough to replace slightly worn pairs without guilt. Colorway:** Basic, versatile colors that pair with most outfits. If you’re after bright or patterned options, you might want to look elsewhere. Durability and Care Washability:** They hold up well in standard machine washes and tumble dry cycles. The fabric doesn’t pill noticeably, and the waistband maintains elasticity after multiple washes. Pilling:** Minimal pilling for the first several months. If you’re tough on underwear or frequently wash on high heat, you may notice some wear sooner than later. Comfort in Different Scenarios Everyday Wear:** Great for day-to-day comfort and all-day wear. The breathable cotton keeps you cooler in warmer weather. Active L activities:** Suitable for light workouts or active days, though for intense workouts you might prefer moisture-wicking blends. Under Tight Clothing:** The smooth fabric and mid-thigh length work nicely under leggings or fitted outfits without visible lines. Pros Soft, breathable cotton blend Comfortable waistband that doesn’t roll or dig True mid-thigh coverage Good value with a 4-pack Durable after multiple washes Cons Not moisture-wicking like athletic-oriented underwear (if you need to stay dry during intense workouts) Some people prefer a higher or lower rise depending on body type Colors are basic; if you want prints or bolder colors, options are limited Who I’d Recommend These For Anyone seeking affordable, comfortable everyday underwear with a classic mid-thigh boxer brief silhouette. People who prioritize cotton and breathability over high-tech moisture-wicking fabrics. Those who like a simple, versatile pack suitable for mixed wardrobes. If you’re deciding between Hanes Originals and something with more performance features, these are a solid everyday staple. They won’t wow you with luxury, but they deliver reliable comfort and durability at a sensible price.
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Reviewed in the United States on May 27, 2026
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Gabrielle
Grantham, US
★★★★★ 5
Postpartum Opinion
Fit Type: Boyshort, Size: X-Large, Color: Assorted Colors
Bought the boy shorts size XL for postpartum and am still wearing them 8 months later! Holds all the postpartum goods in but are super stretchy too. Sooooo comfy! They do roll up when putting pants on but if you’re wearing them to bed or around the house, amazing!
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Reviewed in the United States on March 30, 2026
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NatureNerd
Lowell, US
★★★★★ 3
To fit or not to fit?
Fit Type: Boyshort, Size: XX-Large, Color: Assorted Colors
NIce quality, comfortable fabric, dries quick, and retains color after multiple washings. However; the fit did not work 100% for me. The legs kind of rode up and the boy shorts had a tendency to ride down, especially with consistent bending up and down activity. Good product but not a perfect fit for my shape. The bikini style was ideal and purchased multiple times.
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Reviewed in the United States on April 7, 2026
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Lotanya Mclean
Houston, US
★★★★★ 5
Comfortable
Fit Type: Boyshort, Size: Medium, Color: Assorted Colors
These are very comfortable, lovely colors. You need to size down when purchasing a the material is high stretch.
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Reviewed in the United States on May 26, 2026
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Kim
Grantham, US
★★★★★ 5
Great choice
Fit Type: Boyshort, Size: XX-Large, Color: Assorted Colors
Very comfortable
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Reviewed in the United States on May 24, 2026

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