Darkglass Harmonic Booster 2.0 Bass Pre

Professional music gear - detailed information and where to buy

Darkglass Harmonic Booster 2.0 Bass Pre

Darkglass

Harmonic Booster 2.0 Bass Pre

4.4 Expert Rating

Product Info

Article Number: 477653
Model: Harmonic Booster 2.0 Bass Pre
Category: Bass Pedals
Price: $260.70

* Prices may vary. Check retailer for current pricing and availability.

The Harmonic Booster 2.0 is a fantastic little box if you’re chasing a really aggressive, percussive bass tone. It's designed to push your signal forward and add harmonic richness, especially when paired with other effects, but it’s not a subtle, all-purpose preamp – it’s a specialist tool for players wanting serious low-end thump.

Product Description

  • Darkglass Harmonic Booster 2.0 Bass Pre
  • Effect pedal for electric bass
  • A clean preamp that amplifies attack and presence while shaping the mid-range for a very percussive and aggressive character
  • With a sound circuit that can be controlled with the character knob
  • An active 3-band equalizer with semi-parametric midpoints
  • Suitable as a supplement to distortion pedals as well as a stand-alone bass preamplifier
  • Controls: Boost
  • Character
  • Mid Gain
  • Mid Freq
  • Bass
  • Treble
  • LED: Effect On
  • Foot-switch: Bypass effect
  • Input: 6.3 mm Jack
  • Output: 6.3 mm Jack
  • Mains adapter connection: Hollow plug socket 5.5 x 2.1 mm
  • minus pole inside
  • Power supply with a 9 V DC mains adapter (not included - suitable mains adapter: Article Nr. #409939#)
  • Dimensions (W x D x H): 64 x 111 x 43 mm
  • Weight: 250 g
  • Made in Finland

*Note:* Battery operation is not supported.

PROS
  • • Character knob delivers uniquely aggressive, focused low-end enhancement
  • • Semi-parametric mids offer precise tonal shaping for clarity
  • • Clean boost maintains signal integrity, ideal for stacking
  • • Solid, compact build feels robust for gigging and studio use
CONS
  • • Limited versatility; shines with aggressive tones, less suited for clean sounds
  • • Power supply not included; adds to the overall investment
  • • Boost can get muddy quickly with higher gain settings

Product Video

Key Features

Effect Type Bass Preamp / Harmonic Booster
Controls Boost, Character, Mid Gain, Mid Freq, Bass, Treble
Bypass Type True Bypass
Power Supply 9V DC, 5.5 x 2.1 mm hollow plug (not included)
Connections 6.3 mm Jack (Input/Output), 5.5 x 2.1 mm DC Power Input
Dimensions 64 x 111 x 43 mm

Similar Products

Behringer WING Compact Flyht Pro Bundle - Digital Mixers

Behringer WING Compact Flyht Pro Bundle

Digital Mixers

$2,748
4.8 Expert Rating
Line6 Pod GO Bundle - Guitar Multi Effects

Line6 Pod GO Bundle

Guitar Multi Effects

$614
4.6 Expert Rating
Ibanez GRG320FA-TVT - ST Style Guitars

Ibanez GRG320FA-TVT

ST Style Guitars

$439
Electric Guitar, Body: Poplar, Top: Basswood with Art Grain in flamed maple look, Bolt-on neck:...
4.5 Expert Rating
Taylor GS-Mini-e Sakuraburst - Folk Acoustic Guitars

Taylor GS-Mini-e Sakuraburst

Folk Acoustic Guitars

$989
*Note:* Register your Taylor guitar to extend your warranty to 12 years.
4.7 Expert Rating
Ampeg RB-112 Bundle - Solid-State Bass Combos

Ampeg RB-112 Bundle

Solid-State Bass Combos

$596
4.6 Expert Rating
Harley Benton SpaceShip 80 Bundle - Guitar Effect Power Supplies

Harley Benton SpaceShip 80 Bundle

Guitar Effect Power Supplies

$219
4.8 Expert Rating
Taylor 814ce Special Edition Sedona - Other Acoustic Guitars

Taylor 814ce Special Edition Sedona

Other Acoustic Guitars

$5,499
*Note:* Register your Taylor guitar to extend your warranty to 12 years.
4.8 Expert Rating
Manuel Rodriguez Superior Flamenco Sabicas C3-F - Flamenco Guitars

Manuel Rodriguez Superior Flamenco Sabicas C3-F

Flamenco Guitars

$957
Flamenco Guitar, Top: Solid European Carpathian spruce, Back and...
4.8 Expert Rating

Frequently Asked Questions

The Character knob isn't just EQ; it’s a proprietary Darkglass circuit that adds harmonic content and distortion, shaping the overall tonal response beyond simple frequency adjustments.
Yes, it can, but the effect will be more subtle. It’s really designed to work best with active basses or basses with high-output pickups to maximize its impact.
No, it’s not a distortion pedal itself. It’s a clean preamp that enhances harmonics, but it’s often used *with* distortion pedals to add extra bite and clarity.

We use cookies to improve your experience. Learn more