SKU: 50101894731
guitar doubler pedal

guitar doubler pedal ZVEX Double Rock 2 Box Of Rock Pedals In One

Sale price$25.18 Regular price$27.98
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Description

guitar doubler pedal ZVEX Double Rock 2 Box Of Rock Pedals In OneThis pedal was originally designed for J. Mascis of Dinosaur Jr. He requested two Box of Rock pedals in one box with two stomp switches. He uses that regularly on stage now, but we did one (or two) better with the one we're releasing to the public we made it so you can adjust the sub frequencies (like the Distortron), and you can convert either channel to a Super Hard On. In this way, you can configure the pedal to be two Distortrons cascaded, two

This pedal was originally designed for J.Mascis of Dinosaur Jr. He requested two Box of Rockª pedals in one box with two stomp switches. He uses that regularly on stage now, but we did one (or two) better with the one we're releasing to the public... we made it so you can adjust the sub frequencies (like the Distortronª), and you can convert either channel to a Super Hard-Onª. In this way, you can configure the pedal to be two Distortrons cascaded, two Super Hard-Ons cascaded (like a Super Duper 2-in-1ª), or a Box of Rockª with boost, or a Super Hard-Onª (SHO) going into a Box of Rockª. Distortion/boost heaven!

 

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. Rock out. The two separate stomp switches control whether or not the two distinct circuits are engaged. You can select whether or not the circuit is a Distortronª or Super Hard-Onª by way of the "DIS / BOOST" toggle. When in Distortronª mode, set the subs switch so there's just enough low-end for your amp. Try using your rhythm pickup with the tone control turned all the way down for a vintage bluesy howling lead sound.

Although the five knobs are named for the parameters over which they seem to have the most control, please don't hold me to it. They are controls for various operating levels and biases, and basically shape you a personalized fuzz.

Controls:

  • DRIVE: Sets the amount of distortion in Distortronª mode, and sets the amount of boost in SHO mode. It may crackle when turned. This is perfectly normal.
  • TONE: Adjust for treble content. Start around 2:00 o'clock. This knob only does stuff in Distortronª mode.
  • VOLUME: Adjust for output volume level.
  • DIS / BOOST Switch: Changes the circuit from a Distortronª to Super Hard-Onª boost.
  • SUBS Switch: "2-1-3" lets you choose the full "Box of Rock" sub amount (3) or two different lower levels of subs depending on your amp's needs. Only works in Distortronª mode.
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SKU: 50101894731

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4.6 ★★★★★
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jessicag13
Carnegie, US
★★★★★ 5
Great shelves!
Size: 10"D x 15.7"W, Color: Black, Size: 10"D x 15.7"W, Color: Black
Perfect for what I needed. I sanded them, painted them white, then hung them above my washing machine and dryer to hold some laundry supplies. They made laundry easier! The are sturdy. It took no time to install. They’re heavy but not so heavy that they sag or drag. It came with screws and anchors that made installation a breeze. They look great! Highly recommend.
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Reviewed in the United States on April 30, 2026
C
Verified Purchase
Cathy
Chelsea, US
★★★★★ 5
Stylish & sturdy 3 floating shelves
Size: 11.6"D x 15.7"W, Color: Black, Size: 11.6"D x 15.7"W, Color: Black
I bought these 12-inch deep floating shelves for my son’s room and they turned out great. The extra depth makes a big difference compared to standard floating shelves. He’s able to fit books, trophies, and some of his collectibles on them without everything feeling cramped. The shelves feel sturdy and well made once installed. The hardware that came with them worked well, and they sit flush against the wall which gives that nice clean floating look. They really helped add storage while also making the room look more organized and put together. I added lights underneath which I also bought here on Amazon... I also like that they’re deep enough to actually be functional, not just decorative. My son is using them every day and they’re holding up really well. Overall I’m very happy with this purchase and would definitely buy them again for another room.
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Reviewed in the United States on March 12, 2026
J
Verified Purchase
James Garcia
Carnegie, US
★★★★★ 5
Good looking shelves
Size: 11.6"D x 15.7"W, Color: Black, Size: 11.6"D x 15.7"W, Color: Black
These shelves turned out perfect for my bedroom project! I read lots of reviews about people having trouble with the wall anchors not holding up, but I’m going to equate that to user error. I had no trouble installing these and even took a couple shortcuts. I only used two wall anchors per shelf, but also pre checked the holes for studs. I used one dry wall screw per shelf as well. Knowing how wall anchors can be, I used one drill bit size smaller than the directions suggested. They said use 1/4, but I used 15/64. Probably could have gotten away with one smaller than that at 7/32. With all screws, I made sure not to press too hard into the wall and just turn the screw. That helps the anchors and threads stay snug in the dry wall. There was only one shelf that came out feeling a little saggy, but I think it’s because the holes in the shelf are not quite right. However, it still holds strong and no problem with a box of shoes on it. All this being said, I pre weighed my shoe boxes and knew I only needed to hold about 5-7 lbs. I was super detailed with measuring the bracket spots to make sure everything was spaced and leveled appropriately. The wood on the shelves does feel a little cheap, but it looks great so I couldn’t care less. I would purchase these shelves again and might have to as my display collection continues to grow.
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Reviewed in the United States on March 20, 2026
K
Verified Purchase
KREY
Draper, US
★★★★★ 5
Easy install, wide and sturdy
Size: 10"D x 15.7"W, Color: Brown, Size: 10"D x 15.7"W, Color: Brown
I put these shelves in a strange little cubby that was created in my kitchen by removing the sad excuse for a pantry that was once there. Super easy to hang, I’ve only hung two here and have other plans for the 3rd one. Good purchase for sure. Very sturdy and look expensive, without the high cost.
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Reviewed in the United States on December 20, 2025
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Verified Purchase
Tyra Church
Lowell, US
★★★★★ 4
Great shelves!
Size: 12"D x 35.4"W, Color: Black
These were perfect for what I needed & easy to install with included hardware; looks great and looks like quality item. I like that they will hold 20 lbs so I can change what I place on them with no worries.
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Reviewed in the United States on November 10, 2025

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