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Zvex Vexter Box of Metal Distortion Guitar Effects Pedal  

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The ZVex Box of Metal is an aggressive high-gain distortion pedal with a highly effective built-in switchable gate which dramatically reduces noise and unwanted feedback. Its gain and tonal characteri... Click To Read More About This Product

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The ZVex Box of Metal is an aggressive high-gain distortion pedal with a highly effective built-in switchable gate which dramatically reduces noise and unwanted feedback. Its gain and tonal characteristics are somewhat similar to high-gain tube amplifiers that have been the staple of hard rock and metal sounds since the 80's. On the right, the guitar effects pedal has a true-bypass switch with an indicator LED to bypass the entire effect. On the left is a gate switch, that is only effective when the pedal is on (the gate cannot be used separately.) When the gate's LED (on the left side of the pedal) is on, the gate will be active whenever the pedal is turned on. The gate is very useful for cleaning up any noise between palm-muted chords and lead phrases, but may be switched off to initiate feedback or to stretch out soloed notes that are fading into noise. Switching off and on the gate is silent so the gating action of the distortion pedal can instantly be changed during any part of the performance to fluidly integrate soloing and palm-muted chords.

Gate: Adjust for your playing style. When fully clockwise, palm-muting will create an audible thump and bumping the strings will open the gate. Turn down to make the gate tighter. Gate is unaffected by other controls.
Drive: Sets the amount of distortion. The Box of Metal does NOT clean up. This control goes from hard to very hard. It may crackle when turned-this is perfectly normal.
Treble: adjust for treble content. Use this in tandem with your amp's presence and treble controls to get the precise top-end texture-the presence control is very important on your amp, if you have one.
Midrange: Adjust to accentuate or scoop out mids.
Bass: Sets the bass/sub-bass level.
Volume: Sets the output volume of the pedal.

Note that the LED on the right is for the bypass switch and the LED on the left is for the gate. The Drive and control is based on the original ZVex Super Hard-On gain control, so it may crackle when turned. This is perfectly normal.

Plug your guitar (or any effect's output) into the right hand input jack. Plug the output into an amp or other effect's input. Enjoy in moderation. Watch the output volume setting...with the gate turned on you may not notice just how loud the distortion pedal is going to be until you play! Set the clean sound on your amp for any level of pristine cleanliness to heavy crunch.

The Box of Metal should do very well driving any amount of nominal distortion. The presence control on your amp will have a strong influence on the top-end texture of your ZVex pedal.

  • Gate button
  • Bypass button
  • Volume control
  • Bass control
  • Mid control
  • Treble control
  • Gain control
  • Gate control
  • In/Out jacks (1/4")
  • Uses one 9V battery (preferably alkaline, but the unit is shipped with a carbon-zinc battery.)
    Current draw is approximately 10mA.
    A DC power jack (standard Boss configuration with center negative) is provided on the side of the pedal.
    Use a high-quality 9V adaptor for all high-gain effects.
    Your ZVex Vexter Box of Metal is warranted for 1 year from date of purchase, or 2 years if you send in your warranty card.

Pro Coverage gives you added warranty protection for your new gear. Stepping in where the manufacturer's "normal wear and tear" coverage ends, our Pro Coverage program offers you upgraded coverage if your product ever fails Read More.

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  • Expedited repair
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  • 100% coverage for commercial use
  • Extended return period
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  • No lemon guarantee
  • Free transfer of coverage to a new owner
  • Repair costs covered for up to three years from date of purchase
  • Repair authorization-toll-free by phone or via the web
  • Customer Reviews

Review Snapshot

by PowerReviews
ZvexVexter Box of Metal Distortion Guitar Effects Pedal

(based on 6 reviews)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 6 customers

Displaying reviews 1-6

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The Best Fuzz Pedal Ever!

By Davi Dexter

from London, England

About Me Experienced


  • Compact Design
  • Excellent Sound Quality
  • Responsive
  • Versatile


    Best Uses

      Comments about Zvex Vexter Box of Metal Distortion Guitar Effects Pedal:

      I wasn't sure at first, but after taking the time to learn how the pedal works, I've really fallen in love with the sound of this pedal.

      First I had to realize that it isn't a Distortion, it's a metal sounding super thick Fuzz pedal with an excellent gate.

      With the gain turned right down it doesn't get clean so you don't need to turn it all the way up to get a good high gain distorted fuzz.

      It's my favorite Fuzz / Distortion pedal and I have most of them.

      My other favorites are Blackstar Blackfire, Blackstar Metal, Damage Control Demonizer, Line 6 Uber Metal, Zoom Tri-Metal and Ibanez Tube King (the newer one).

      I like Fuzz pedals like the ZVex Fuzz Factory for example but although I have fun playing around with them they can be a little too glitchy and noisy, not very thick and probably not suited towards heavier styles like metal. This Box Of Metal Fuzz is excellent and although it took me a while to understand exactly how to get the sounds out of it that I want, it was definitely well worth it and it's one of my favorite pedals to use.

      One other thing I want to mention though is unlike most other pedals, I've found that Reverb pedals make it sound bad - rather than adding a thickness, they seem to make it sound more thin for some reason I don't understand. It sounds best on it's own. After finding this a bit of a shame I realized that it sounds perfect on it's own anyway, it doesn't actually need to have reverb after it like most Fuzz / Distortion pedals. It really does sound great.

      I would really recommend this pedal!! :)

      (3 of 3 customers found this review helpful)


      Triple Rectifier in a box!

      By Rabid rocker

      from Central Illinois

      Comments about Zvex Vexter Box of Metal Distortion Guitar Effects Pedal:

      I needed something to make my Marshall DSL sound like a boogie for some metal tunes we cover...ths is it! Turn this thing loose on your clean channel and lookout! built in noise gate handles the unrulyness, works like a charm! BUY IT!

      (3 of 4 customers found this review helpful)


      metal box

      By ryan

      from plano ,tx

      Comments about Zvex Vexter Box of Metal Distortion Guitar Effects Pedal:

      whats to say vzex made a metal pedal. every thing they make is good the designer is like a fan with brain's crazy for pedals. but what is great about this pedal is the option of turning the gate off for a solo and turning it right back on to have ultimate control over thous metal power cords. if you like metal this is your pedal and the value of his pedals keep there value.

      (4 of 4 customers found this review helpful)



      By John

      from Fort Worth, Tx

      Comments about Zvex Vexter Box of Metal Distortion Guitar Effects Pedal:

      I love zvex. Everything Zachary makes is gold. His first Box (of Rock) is a mainstay on my board, so of course I had to give this pedal a go, and man was I impressed. It's clear, dynamic metal tone through and through. The gate is an unbelievable option, as I love to use a gate at times, and the flexibility of the pedal is unparalleled. If you're looking for a profession, high end, boutique pedal for metal tones, look no further. This is it. Thank you Mr. Vex.

      (3 of 4 customers found this review helpful)


      It is What it Says

      By The Little Piggy

      from Southern CA

      Comments about Zvex Vexter Box of Metal Distortion Guitar Effects Pedal:

      Super high gain but manageable down around 10%gain with 500T Gibson pickups. Nice tonal adjustment with B-Mid-T knobs. Hard-on gain circuit makes a little krackle when gain is adjusted, as it is supposed to. Love the rip-roaring, in-your-face, 100MPH winds of this overdrive-fuzz. Gate is a little touchy for me but just need time to get acclimated to how iit behaves.If you want to crank the gain all the way, you won't get much tone.... it gets a bit insane BUT iif you have some low-output pickups it may be perfectly reasonable-Holy metal-shredder, Bat Man!1967 SG and Marshall 1794x

      (2 of 23 customers found this review helpful)


      not good, not even close

      By pure_tone65

      from Wauseon, Ohio

      Comments about Zvex Vexter Box of Metal Distortion Guitar Effects Pedal:

      I use mostly overdrives, Menatone to be exact. You owe it to yourself to check em collar overdrive, and red snapper. ok now for the BOM...i got this thing in the mail, set everything at 12 to check it out....WOW it was bad, fizzie, just badI knew in a few minutes of tweeking that i made a mistake buying this...Im running decent stuff epi les paul, peavy classic 30 for practice(tube)....its on its way back to this site right now.

      Displaying reviews 1-6

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