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Distortion · ZVEX

ZVEX Box of Rock

The Box of Rock is a distortion pedal modeled after a JTM45 Marshall amplifier with an integrated boost circuit. It delivers overdriven tones ranging from light crunch to heavy saturation.

  • 9V DC · center −
  • 3 mA
  • Analog
  • Mono
New
from $219
Used (asking)
from $225

The rundown

Highlights

  • Built-in boost circuit for added gain and sustain
  • Operates on 9V DC with minimal power draw (3 mA)
  • Compact footprint at 118.9 x 60.5 mm
  • Manufactured in the USA
  • Analog circuitry powered by battery or adapter

Best for

Musicians seeking a compact distortion pedal with amp-like character and integrated boost functionality.

Quick facts

Power
9V DC
Current draw
3 mA
Polarity
Center negative
Dimensions
118.9 × 60.5 mm
Stereo
No
MIDI
No
Expression input
No
Status
In production

Where to buy ZVEX Box of Rock

$219 lowest new price · Reverb

Used listings asking $225–$400.16, median $341.32 (4 listings, small sample). Asking prices, not sold prices.

Current offers
SellerConditionPriceLink
ReverbNew$219View
ReverbNew$219View
ReverbUsed$225View
ReverbNew$244.22View
ReverbUsed$283.63View
ReverbNew$399View
ReverbNew$399View
ReverbUsed$399View
ReverbNew$399View
ReverbUsed$403.62View

Prices last checked 22 hours ago. Links to sellers are affiliate links.

Frequently asked questions

What power supply does the Box of Rock use?

The Box of Rock runs on a 9V DC center-negative supply with a draw of 3 mA.

How large is the Box of Rock?

The Box of Rock measures 118.9 x 60.5 mm, making it a standard-sized pedal.

Is the Box of Rock true bypass?

The available specifications do not include information about the bypass type.

Similar pedals

Same type, similar features.

Specs from pedalfilter. Summary written by PedalBro from those specs and public descriptions.

Page last updated September 29, 2026.