Darkglass Harmonic Booster 2.0 Clean Preamp

Darkglass Harmonic Booster 2.0 Clean Preamp

Marsoni

M251S

$212.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Darkglass Harmonic Booster 2.0 Clean PreampThe Harmonic Booster, Darkglass Electronics' first circuit, was meant as a gain stage for distortion pedals but evolved into a powerful clean pre amp. It allows bass players to boost volume and shape their sound without adding distortion. Each volume and EQ control provides a 20dB clean boost or cut, along with a parametric mid control. The unique Character control flatlines the signal when off but adds low end beef and high end sparkle when turned

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super solid. I really love the articulation this offeres. So much flexibility. Iphones natively may be limited in using the full potential of the wattage due to internal limitations on non apple wireless pads, but I'm pretty sure this is faster than the tesla chargers by a lot. the build quality and modern vibe are impeccable.

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Reviewed in the United States on March 10, 2026

Some_Technophile

Dallas, US

★★★★★ 4

A great line of sight phone holder with a few flaws.

Overall this does the job and is priced affordably the pros and cons are as follows: Pros: Strong magnet Solid construction Great for line of sight Charges well Cons: Charging cable is not long enough to route inside my car holder tends to droop down slightly with my phone on it (Pixel 7), not so much that it's failing but just not holding it's set position

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Reviewed in the United States on May 12, 2026

Verified Purchase

Jason T

Boise, US

★★★★★ 1

Does not swivel and slow charger

As mentioned in another review, you cannot change the angle of the phone so it faces the other way since it does not swivel. Wish I wish I would have known that before placing it. Also, the charger is REALLY slow. It’s slower than the MagSafe chargers I have in my house. I’m not sure if this is defective. I only used it on my way home from work, and I will be returning it.

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Reviewed in the United States on May 8, 2026