Darkglass Microtubes B3K

World-Renowned Classic for Bassists!
  • Modern Bass Overdrive with Legendary Tone
  • Four Controls: Blend, Tone, Level and Drive
  • Bass (Grunt) and Mid Boost
  • 9V DC operation, low current draw (20 mA)
  • Rugged enclosure for the rigors of live performance
Variants (3)
Darkglass Microtubes B1K
Darkglass Microtubes B7K V2
Darkglass Microtubes B7K Ultra V2
Darkglass Microtubes B1K
Darkglass Microtubes B1K
  • Simple Bass Overdrive
  • Top-Mounted Drive and Level Controls
  • Blend Control
  • Variable Low-Pass Filter (Tone)
  • Adjustable Bass Boost (Grunt)
  • Adjustable Treble Boost (MBoost)
RRP** 229,00 
188
Darkglass Microtubes B7K V2 Darkglass Microtubes B7K V2
Darkglass Microtubes B7K V2
  • Crunchy Overdrive & clear, modern tone
  • Precise control of treble, mids and bass
  • Flexible blend control for perfect signal balance
  • Three Grunt modes for variable bass saturation
  • Attack switch for targeted treble shaping
  • Compact, road-ready design weighing 320 g
RRP** 379,00 
328
Darkglass Microtubes B7K Ultra V2
Darkglass Microtubes B7K Ultra V2
  • Individually loadable impulse response (IR) for cabinet simulation
  • Micro-USB-B port for Darkglass Suite and IR management
  • Headphone output with cab sim for silent practice
  • Balanced XLR output with switchable cab sim
  • 3.5 mm stereo input for backing tracks
  • Extremely flexible tone controls including Blend, Attack and Grunt
RRP** 459,00 
449
-14% 215
instead of RRP**249
All prices include VAT
Ready for shipping

Finance from 20,00 € per month
Standard Shipping
free
Delivery time 1 - 2 working days
Priority Shipping
+ 0,99
Shipping on 20.05.2026
Express Shipping
+ 5,90
Delivery on Thursday, 21.05.2026, if you order within  12 Hrs. 14 Min. 
Shipping and Delivery
Get personal advice now!

The hotline is currently not manned. You can reach us again on Wednesday, 20.05.2026 at 09:30.

08861-909494-1

[email protected]

Design And Sound. Perfect!

The B3K offers an intuitive format that blends brute force with clarity. With its clear, powerful overdrive and simple layout, there are no boundaries or rules to dial in the sound you want.

Controls And Connections

Blend

Mixes the clean input signal with the overdriven signal. The clean signal remains at unity gain while the volume of the overdriven signal is set with the Level control, allowing fine control over the blend.

Tone

Controls the high-frequency content of the sound. A variable low-pass filter from 3 to 8 kHz.

Level

Sets the volume of the overdriven signal.

Drive

Sets the amount of saturation of the overdriven signal.

Grunt

When engaged, this control delivers a massive bass boost that fattens your sound.

Mid Boost

Provides a subtle 6 dB boost from 300 Hz to 1 kHz to help you cut through.

Output

Connect the output jack to your amplifier input or the input of another effects pedal.

Input

Plug your instrument or your pedalboard's output into the 1/4-inch mono jack.

9 V

Use only a regulated 9V DC adapter with a negative center plug.

Features

  • Modern Bass Overdrive with Legendary Tone
  • Four Controls: Blend, Tone, Level and Drive
  • Bass (Grunt) and Mid Boost
  • Very compact design: 111 x 75 x 43 mm
  • Weight: 250 g
  • 9V DC operation, low current draw (20 mA)
  • Rugged enclosure for the rigors of live performance
  • A world-renowned classic for bassists

Scope of delivery

  • 1 x Darkglass Microtubes B3K V2 Pedal

Specification

  • Product number 00113999
  • Colour Black

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Financing

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Your contact persons

The hotline is currently not manned. You can reach us again on Wednesday, 20.05.2026 at 09:30.

Wednesday 09:30 - 18:00
Thursday 09:30 - 18:00
Friday 09:30 - 18:00
Saturday 09:30 - 13:30
Monday Closed
Tuesday 09:30 - 18:00