PedalBro

Compressor · MXR

MXR Custom Comp

The MXR Custom Comp is an analog compressor featuring Attack control and modern voicing modes that deliver transparent, even dynamics. It's manufactured in the USA and runs on standard 9V DC power.

  • 9V DC · center −
  • 25 mA
  • Analog
New
from $125
Used (asking)
from $45

The rundown

Highlights

  • Attack control for shaping compression response
  • Multiple voicing modes for tonal flexibility
  • Transparent compression character
  • Made in USA
  • Battery-compatible with standard 9V DC power

Best for

Guitarists seeking a compact, transparent compressor with voicing options that can run on batteries or standard pedal power.

Professional reviews

What the press rated it. We link to each review; read the full piece for the details.

Quick facts

Power
9V DC
Current draw
25 mA
Polarity
Center negative
Status
In production

Where to buy MXR Custom Comp

$125 lowest new price · Reverb

Used listings asking $45–$126.37, median $90 (15 listings). Asking prices, not sold prices.

Current offers
SellerConditionPriceLink
ReverbUsed$45View
ReverbUsed$45View
ReverbUsed$49.99View
ReverbUsed$54View
ReverbUsed$54View
ReverbUsed$55View
ReverbUsed$69View
ReverbUsed$90View
ReverbUsed$98View
ReverbUsed$119.67View

Prices last checked 19 hours ago. Links to sellers are affiliate links.

Frequently asked questions

What power supply does the MXR Custom Comp use?

The MXR Custom Comp runs on 9V DC center-negative power with 25 mA current draw.

Can the MXR Custom Comp run on battery?

Yes, the MXR Custom Comp is battery-compatible.

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.