PedalBro

Boost · Darkglass

Darkglass Harmonic Booster

The Harmonic Booster is a clean boost designed to enhance presence and clarity while adding harmonic character. Premier Guitar rated it 4 out of 5, noting that Darkglass revived its original pedal with expanded tone-shaping capabilities.

  • 9V DC · center −
  • 20 mA
New
from $200
Used (asking)
No listings yet

The rundown

Highlights

  • Clean boost with harmonic enhancement
  • Adds presence and clarity to your signal
  • Runs on 9V DC power (20 mA)
  • Compact size at 74.2 x 111 mm
  • Battery-compatible design

Best for

Players seeking a clean boost with harmonic enhancement to add definition and presence to their tone.

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
20 mA
Polarity
Center negative
Dimensions
74.2 × 111 mm
Status
In production

Where to buy Darkglass Harmonic Booster

$200 lowest new price · Reverb

Current offers
SellerConditionPriceLink
ReverbNew$200View
ReverbNew$234.25View
ReverbNew$249.81View
ReverbNew$259.99View
ReverbNew$259.99View
ReverbNew$259.99View
ReverbNew$264.67View
ReverbNew$275.38View
ReverbNew$287.79View
ReverbNew$288.27View

Prices last checked 20 hours ago. Links to sellers are affiliate links.

Frequently asked questions

What power supply does the Harmonic Booster use?

The Harmonic Booster runs on a 9V DC power supply with 20 mA current draw and is center-negative.

How large is the Harmonic Booster?

The Harmonic Booster measures 74.2 x 111 mm.

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.