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Description
clean distortion pedal ZVEX Effects Vexter Box of Rock Distortion PedalThis pedal has two effects in one box, a clean boost and a distortion circuit. This Box of Rock simulates Zacharys favorite amp turned up all the way, a 1966 Marshall JTM45. The tone control adjusts brightness and theres a high headroom low noise boost. The Box of Rock is Zvex Effect's first "distortion" pedal, highly specialized to simulate the "everything on 10" sound of a classic Marshall JTM45 non master volume amplifier. You may use the Box of
This pedal has two effects in one box, a clean boost and a distortion circuit.This Box of Rock simulates Zachary’s favorite amp turned up all the way, a 1966 Marshall® JTM45. The tone control adjusts brightness and there’s a high-headroom low-noise boost.
The Box of Rock is Zvex Effect's first "distortion" pedal, highly specialized to simulate the "everything on 10" sound of a classic Marshall JTM45 non-master-volume amplifier. You may use the Box of Rock effectively with many different amplifiers, but to get the sound Zvex heard when they designed it, try it through a Marshall at least once. You may use your guitar's volume control to adjust for the exact amount of distortion you need, all the way down to very clean and clear with most drive settings.
The Box of Rock also contains an extremely high-headroom, unity-to-50X gain booster with nominal input impedance and low hiss. It is very similar to the SHO boost circuit, with refinements to make it sound more like a standard amp input and less glassy. The boost channel can be used alone or in conjunction with the "distortron engine" channel. The boost channel follows the distortion channel so that the distortion is able to hit your amp harder (at a higher volume) when both switches are engaged, for boosting solos and what-not. -- Look out when boosting "what-not." 8^)
The Controls:
Drive: Sets the amount of distortion. Start around 1:00 o'clock.
Tone: Adjust for treble content. Start around 2:00 o'clock.
Vol: Adjust for distortron engine volume level. Start around 9:00 o'clock.
Boost: Sets the boost level, which is engaged with the left stomp switch. Start around 11:00 o'clock.
The Drive and Boost controls are based on Zvex's original Super Hard-On gain control, so they may crackle when turned. This is perfectly normal.
Operation:
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. Careful with the Boost setting when using a high-powered amp with lots of headroom... you may be shocked at how loud it can get!
The best way to complete this pedal is to run it through a Marshall amplifier on a warm clean setting (try strapping the channels, setting the volumes below 3, and setting all other controls to 6 as a start point), which has the proper voicing to reveal the "rock" in the Box of Rock.
This Vexter Series Box of Rock features UV printed graphics to commemorate Zvex's 25th Anniversary. The parts inside Vexters are identical to the hand painted pedals.
Pedal Dimensions (LxWxH): 4.70" x 2.38" x 1.82"
Shipping Notes
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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]
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4.6 ★★★★★
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Product Reviews
★★★★★ 5
AMAZING
Color: Grey, Size: 41" x 27"x 4"
This bed is huge and perfect for my two doggies who want to share but need a bigger space. Its also firm so that they have all the support they need. Its an amazing bed for my fur babies
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Reviewed in the United States on April 16, 2026
★★★★★ 5
So soft, nice padding, & color perfect for a dog’s bed
Color: Beige, Size: 41" x 27"x 4", Color: Beige, Size: 41" x 27"x 4"
Of course, this dog bed came lumpy, but once you roll it out and manipulate it it lays perfect. My dog Loki outgrew the little one that we had but this one is perfect. He’s 55 pounds and I would say it’s even a little bit big for him. We will definitely keep it though. It’s so soft and pretty and Loki will not leave it so it’s a win-win.
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Reviewed in the United States on March 25, 2026
★★★★★ 5
Great Pet Beds!
Color: Grey, Size: 41" x 27"x 4"
These dog beds are wonderful! I have two large dogs (65-70 lbs) who lay on them daily. They’ve maintained their shape and thickness. The size is perfect, and they’re easy to spot clean. I definitely recommend them, especially if using in a carpeted room. Great value!
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Single greatest thing I’ve ever bought for my dogs
Color: Charcoal, Size: 35" x 23"x 3.5", Color: Charcoal, Size: 35" x 23"x 3.5"
Few years ago we got our dog a dog. It was a bad idea. Our first dog is incredibly smart. He’d much rather hang out with humans, sitting in his own chair at the table while we play board games and chat than chase a ball. He uses talking buttons and picked it up quickly. Even as a little puppy he was kind of serious and when we’d take him to the dog park he’d mostly just run around barking at other dogs who were having too much fun.
Then came his brother who turned out to be the absolute opposite in every way. A silly, goofy, snuggly, floppy little muppet of a dog. Highly empathetic and Looooves to make people laugh. Our other dog mostly wanted nothing to do with him, barely tolerating him at the best of times. We thought, surely he’ll learn to love his brother. But 3 years later… nope.
Our first dog loves a good pillow so I thought this might make a good gift. I had no idea just HOW good. For some reason ever since our dog opened this gift he’s been obsessed. But so has our other dog. We initially were worried it would become one more thing for them to fight over BUT we were wrong. The dogs have been getting a long SO well! As long as it’s on this pillow, our first dog allows our second dog to come close enough to touch him.
They sleep next to each other, they wrestle, there’s no growling or grumping and our first dog will come over and lay next to his brother if he’s laying on this.
We’ve started calling it The Peace Pillow.
Anyway, I could have just said “it’s great” but it might actually be magic. Your experience may vary.
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Reviewed in the United States on January 12, 2026
★★★★★ 5
Super soft, cozy, and great quality Dog Bed
Size: Small 24"x18", Color: White, Size: Small 24"x18", Color: White
This pet mat exceeded my expectations. The material is incredibly soft and plush, and you can tell right away that it’s made with comfort in mind. My pet laid on it immediately, which is always the best sign. It provides just the right amount of cushioning without being too thick or heavy.
The quality is excellent — the stitching feels sturdy, the fabric doesn’t shed, and it holds its shape well with regular use. It’s lightweight and easy to move around, making it perfect for use in crates, on the floor, or even on furniture for extra protection. Cleaning is simple, and it still looks great after use.
Overall, this mat offers great durability, ease of use, and excellent value for money. It’s stylish, practical, and extremely comfortable for pets. I would absolutely recommend this to anyone looking for a cozy, high-quality mat for their dog or cat 🐾
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Reviewed in the United States on December 24, 2025