Pricing and availability
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Average Price: $243
High-end/Boutique
$70
$201+
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Price History
Based on price data from 6 merchants for "Darkglass Electronics Microtubes B3K V2 CMOS Bass Overdrive". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Unleash the power of your bass with the Darkglass Electronics Microtubes B3K V2 CMOS Bass Overdrive. Building upon the legacy of its predecessor, this pedal integrates modern enhancements for a more dynamic and versatile performance. The CMOS circuitry retains the signature brutality and clarity, while the new mid-boost feature ensures your bass lines cut through the mix with precision. The updated tone control replaces the previous attack switch, offering refined control over your high frequencies. Whether you're dialing in a subtle drive or a full-throttle rumble, the B3K V2 delivers a rich, defined saturation.
Enthusiasts will appreciate the intuitive layout, featuring essential controls such as Drive, Level, Tone, and Blend, alongside the Grunt and Mid Boost buttons for further tonal sculpting. With its true bypass, your signal remains pristine when the pedal is disengaged. Designed with the gigging musician in mind, its rugged construction ensures reliability on stage or in the studio. Perfect for bassists seeking an overdrive pedal that balances aggression with clarity, the B3K V2 is a must-have addition to any pedalboard.
Key Features:
- CMOS circuitry for tube-like overdrive and warmth
- Controls: Drive, Level, Tone, and Blend
- Grunt switch for low-end boost options
- Mid Boost button for a 6dB increase between 300 Hz to 1 kHz
- True bypass for signal integrity
- Robust connections: 6.3 mm input/output jacks, 9V DC power supply
- Power consumption: 20 mA
- Made in Finland, reflecting superior craftsmanship
Product specs
| Type | Preamp, Overdrive |
| Form Factor | Pedal |
| Inputs | 1 x 1/4" |
| Outputs | 1 x 1/4" |
| Power Source | 9V DC power supply (sold separately) |
| Power Usage | 20mA |
| Height | 1.77" |
| Width | 2.95" |
| Depth | 4.45" |
FAQs
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What kind of overdrive tones can I expect from the Darkglass Microtubes B3K V2?
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The Darkglass Microtubes B3K V2 offers a versatile range of overdrive tones, from subtle warmth to aggressive distortion, making it ideal for genres like rock and metal. Its unique blend control allows for precise mixing of clean and overdriven signals.
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Is the Darkglass Microtubes B3K V2 suitable for live performances?
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Yes, the Darkglass Microtubes B3K V2 is well-suited for live performances. Its robust construction and intuitive controls make it easy to dial in your desired tone quickly, ensuring reliable performance on stage.
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Does the Darkglass Microtubes B3K V2 work with active basses?
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The Darkglass Microtubes B3K V2 is compatible with both passive and active basses, providing a consistent overdrive effect regardless of your bass's electronics.
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What power supply is required for the Darkglass Microtubes B3K V2?
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The Darkglass Microtubes B3K V2 requires a 9V DC power supply, with a power usage of 20mA, which is sold separately.
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How does the Darkglass Microtubes B3K V2 differ from the original B3K?
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The V2 version of the Darkglass Microtubes B3K features enhanced tonal flexibility with improved control options, offering users more precision in shaping their sound compared to the original model.
Videos
The Bass Channel
Darkglass Microtubes B3K V2 Bass Demo
Reviews
PROS
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Distinct overdrive and distortion tones
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Blend knob allows for tonal versatility
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Non-click footswitch; smooth and sturdy operation
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Solid, lightweight aluminium chassis
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Maintains low-end while adding grit or distortion
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Suitable for both bass and guitar use
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Responsive to different pickups, strings, and playing techniques
CONS
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Awkward placement of the 9V DC input jack
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Initial units may have quality control issues
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Sound heavily depends on rest of signal chain
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Can produce hiss when engaged
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Tends to get fizzy at higher tone settings
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Darkglass Electronics Microtubes B3K V2 CMOS Bass Overdrive.
Comparisons
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The B3K is described as sharper and brighter, while the VMT leans fuzzier and more vintage sounding, making the B3K more suitable for punk/hardcore.
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The B3K is perceived as having a more modern tone, while the VMT provides a warmer, 90's punk-era sound, particularly when the era knob is maxed out.
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Switching from a B3K to an EBS Valve Drive is suggested for those seeking a subtler overdrive than the B3K offers.
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Use cases and applications
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The B3K pairs well with a Jazz bass, utilizing its mid-scoop and presence; the VMT complements a Precision bass due to its mid-focus.
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The VMT can be used as an “always on” pedal with low gain settings, effectively cutting through a mix, especially in punk genres.
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For those using a SansAmp BDDI, combining it with the B3K or VMT allows for versatile tone shaping, with the B3K leaning towards metal tones.
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Using a compressor in front of the B3K can diminish its impact, potentially affecting overdrive performance.
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Features and functionality
User experience
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One owner felt their B3K might be defective due to its unexpectedly subtle overdrive, despite cranking all dials up.
Source
4.5 out of 5
Based on 2 Reviews and 10 Ratings
3670
184
Another flavor of dirt
Honestly, I'm not entirely sold on this one. Seems finicky, but I'm always messing around with it.
Artist usage
Add artist
Alex Webster uses the Darkglass Electronics Microtubes B3K V2, as shown in the user-uploaded photo. Initially, he used the V1 version, which has since been removed from Equipboard's page.
Mark Damon discussed the signal chain of his pedalboard on his Instagram post on 12/12/22
My signal goes through the @ernieball volume pedal (for smooth hands-free volume adjustments), straight to the rock solid @bossfx_us TU3 tuner, into the @rupert_neve RNDI for an “always clean” tone to FOH. Then right up the @wizardamplificationinc Crunch compressor pedal (great compression based on the classic 1176), to the @ehx NanoPog octave divider (used on Miss Nothing), to the @darkglasselectronics B3K distortion pedal (my current favorite distortion for bass…doesn’t lose the bottom end!), to the @jimdunlopusa MXR custom shop Script Phase 90 (my “secret sauce”) and then out to my amp.
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Darkglass Electronics Microtubes B3K V2 CMOS Bass Overdrive, it is most commonly used with the following gear.
Community setups
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