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🎸 Switch it up, stand out loud — your rig’s secret weapon!
The VSN ABY BOX is a compact, true bypass line selector pedal designed for guitarists who demand versatile signal routing. Built with a rugged aluminum alloy shell, it allows seamless switching or combining of two amplifier outputs via a footswitch, with clear LED indicators for channel status. Its mini size optimizes pedalboard space without compromising durability or tone integrity, making it an essential tool for professional musicians seeking flexible, transparent signal control.








| ASIN | B09XTRFLHC |
| Best Sellers Rank | #46,055 in Musical Instruments ( See Top 100 in Musical Instruments ) #468 in Guitar & Bass Pedal Boards & Cases |
| Body Material | Aluminum Alloy |
| Color Name | Black ABY Box |
| Connector Type | 1/4 inch audio jack |
| Customer Reviews | 3.8 3.8 out of 5 stars (831) |
| Date First Available | April 13, 2022 |
| Hardware Interface | 1/4-inch Audio |
| Item Weight | 4.8 ounces |
| Item model number | ABY |
| Material Type | Metal, Aluminum Alloy |
| Power Source | Corded Electric |
| Product Dimensions | 1.8 x 1.5 x 3.5 inches |
| Signal Format | Analog |
| Size | Mini |
| Voltage | 9 Volts |
A**S
Best Looper for the Money I've Found
The VSN Twin Looper Pedal. Man, this thing. First off, the usual: It has buttons that button, knobs that knob, and switches that switch. You know it wouldn't be me reviewing if I didn't say that. So, it's built out of a solid piece of aluminum, so like a tank. The buttons button, have a nice click, feel good and solid. The looper button starts the loop, stops the loop, starts the overdub, and hold it down to undo/redo/erase. Super intuitive, super easy to use. The switches control the function of the second button: FX mode it controls if you're using the speed knob to speed up/slow down your loop (you can have some twisted fun with that), in stop mode it controls stopping the loop. The other switch lets you reroute which instrument is going to which output, so you can swap amps on the fly, and adjusts the forward/reverse of the loop (the whole reason I got the pedal--you'll note in my video the loop I play is the same forward or backwards--I did that on purpose--please excuse the horrible playing, my hands are shot with nerve and tendon damage, I'm working on getting back to where I was). The knobs, as with every pedal of this type I've played so far, are just a sheer joy to turn. I have mild sensory issues in my fingers (nerve damage), and I really like the way they feel when I turn them. They control the level of each instrument, and as mentioned, the speed of the loop. It even has a USB function you can pull your loops off of it, or add loops to it to play along with. 5/5 Stars, would fly this hotel again.
A**A
Makes your guitar sound like a bowed instrument - and that's it!
At certain settings, it verges on being able to sound as if the notes are being played back in reverse but I am not interested in that. There really is no reason to purchase this pedal other than, on occasion, you want your guitar to sound like a bowed instrument. "Do I really want that? Will I use it?" For the price, this was something I was willing to answer. I fell in love with the effect instantly, and most people I show(off) to are equally impressed. In that regard, I got what I expected. But I also got much more... This effect will force you to play guitar differently. Very fast runs of notes generally don't sound pleasing through this pedal, so it forces you to slow down. As a result, I'm making better note choices, my vibrato is improved, and my solos are becoming more melodic. If you told me before I bought that I'd be a better player thanks to a pedal that makes my guitar sound like a violin, viola, or even cello, I would have said you are crazy. And I would have been wrong. My one complaint and the reason why I give only 4 stars is that you lose a significant amount of volume when the pedal is engaged. It seems to be a common characteristic as I've tried other brands and had the same outcome. I wish there was a volume control on the pedal that worked without affecting the effect.
D**D
The Octave Pedal I should have bought in the first place.
Bought this after buying and returning the underwhelming EX Analog Octave Guitar Pedal. This one works as advertised on my guitar, bass, or ukulele. It *IS* polyphonic (unlike the EX which claimed to be but wasn’t), and can even handle full chords. It tracks very well with no lag. Like all octave pedals, it gets a little less accurate on very low notes, but I have no complaints about that. The octaves will sustain for as long as your original note holds. There is no noise when switching it on or off and no hum when it is on. The labeling of the dials is a bit counterintuitive, because you control five different octaves with three knobs and one toggle switch, but it is easy to figure out eventually. The important thing to remember is that the knob labeled Oct 1 always controls the lower of your artificial octaves; the knob labeled Oct 2 always controls the higher of your artificial octaves. So, in Top mode, Oct 1 = +12, and Oct 2 = +24. In Both mode, Oct 1 = -12, and Oct 2 = +12. In Bottom mode, Oct 1 = -24, and Oct 2 = -12.
P**C
unusable: pitch accuracy & latency.
I’m comparing this VSN Harmonizer and the Mooer Pitch Box to the Donner Harmonic Square. They’re all pitch shifter mini pedals but only the Donner is usable (i actually replaced my EHX Pico Pitchfork with the Donner which is $50 vs the Pitchfork’s $200.) The VSN and Mooer have extremely inaccurate pitch tuning on all intervals and close to slapback level latency. hilarious. The Pico Pitchfork has some very cool features but the sound is really weird and cold. I’m a jazz/blues/fusion/rock/whatevs player and use octaves with drive for lines, 5ths and 4ths for lines and some “synthy” chording over a static tonal center. The Donner sounds great clean or with varying degrees of drive. definitely worth the price.
H**D
It does some good stuff, but...digital clipping is the problem.
This is a good unit for the price, as a basic looper. It does well until you hit it with too much volume, and then it begins to clip the peaks, introducing a nasty digital distortion crack on the peaks. Nobody needs that. If you keep your volume down and don't add too many things to the overdub, it can work well. And I won't argue with the reverse function or the speed function. I just wish the volume threshold was higher, because if it was, this would be an amazing unit. As it is, I think it would be good for recording, or for limited use live if you kept the volume down and didn't add too much to the loop. I like it, but I can see that a Ditto X4 is in my future. But for just getting into looping at a low price, yes, I think it would do well for that.
R**S
Tiene 2 meses que lo compré, lo he usado máximo 6 veces. Lo uso en casa para estudiar. El looper ya no sirve, no graba ni reproduce nada, intenté actualizarlo y el software no sirve. Pésimo aparato! Y no hay opción de garantía.
R**.
This Harmonizer makes pretty sounds; I only use harmonizers with the 'detune' setting at the '+5' setting, I use them instead of choruses which I can't stand. At that setting I don't think the VSN tracks optimally : you can hear a kind of 'ghost' note following your leads if you're trying to shred or whatever. It can't quite keep up, so it sounds like you've got a slap-delay on your sound & because of that gives your tone a reverbish quality you may not desire. It's fairly quiet as far as these types go compared to the Donner 'Harmonic Square' which I've been messing with at the same time for the same singular purpose & is quite noisy in fact. But the Donner I think tracks a little better & the sound is at least as good as the VSN if not a little better. By the way, try putting one of these with my application AFTER your distortion pedal for an interesting effect, tighter, sort of compressed, instead of BEFORE where I'm guessing most guitar-players put them. I would recommend, if this is part of your sound, putting a harmonizer before AND after your distortion/OD: both are interesting. (This review should suffice for the Donner as well.) "nuff said.
R**L
El volumen máximo de los loops no llega ni al 80% del volumen de la señal original.
D**S
Con este fuzz de silicón (de ahí el nombre S-FUZZ) se puede ir de limpio cristalino hasta el fuzz más pastoso tan sólo con el volumen de la guitarra. Es bastante silencioso (si no le subes al máximo, claro está). En mi caso, el punto perfecto es el fuzz casi al máximo. El switch es robusto, el pedal es de metal. Pero recomiendo que lo pongas al principio de la cadena (guitarra + fuzz + todo lo demás).
R**L
Hubo que comprar el eliminador de la misma marca para que no hiciera ruido por el voltaje, los genéricos no funcionan. Ya con ese funciona perfecto!
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