Darkglass Microtubes B7K Ultra V2

Preamp/Overdrive Pedal!
  • 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
Variants (3)
Darkglass Microtubes B1K
Darkglass Microtubes B3K
Darkglass Microtubes B7K 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 B3K Darkglass Microtubes B3K
Darkglass Microtubes B3K
  • 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
RRP** 249,00 
215
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
-10,00€ 449
instead of RRP**459
All prices include VAT
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Finance from 21,50 € per month
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Ultimate Bass Power for Demanding Players!

The Darkglass Microtubes B7K Ultra v2 is the uncompromising command center for your bass tone. With an individually loadable impulse response for cabinet simulation, direct connection to the Darkglass Suite via USB, and a headphone output with cab sim, this pedal is a tool for every application - from silent practice to professional recording.

Tone Controls & Drive

The heart of the B7K Ultra v2 is its advanced tone control. The Blend knob lets you blend seamlessly between clean and overdrive. Drive and Level let you precisely control the saturation and volume of the distortion signal. The parametric 4-band EQ with switchable mid frequencies and ±12 dB range gives you precise command over your sound. The Attack and Grunt switches provide further shaping in the treble and bass regions.

Connections & Flexibility

Thanks to the aux-in you can conveniently practice with backing tracks - the level is controlled at the source. The headphone output (3.5 mm) provides cab sim for authentic monitoring. The balanced XLR output with ground lift and switchable cab sim feeds directly into a mixer or interface - ideal for stage and studio. Connection to the Darkglass Suite is via Micro-USB-B to load IRs and adjust other settings.

Build & Handling

With dimensions of 125 x 96 x 57 mm and a weight of 430 g, the pedal is robust, compact and stage-ready. Build quality is professional, and all knobs and switches are clearly defined and ergonomically placed.

Features

  • Master: Adjusts the overall volume of the unit
  • Level: Controls the output level of the overdrive section
  • Blend: Mixes the clean input signal with the overdrive signal
  • Level: Controls the volume of the overdrive signal
  • Drive: Controls the amount of saturation of the overdrive signal
  • Attack: Controls the amount of treble to be saturated. The 'Boost' setting emphasizes the highs for extra clarity and presence. The 'Flat' position leaves this range unchanged, while the 'Cut' position reduces the amount of high-frequency saturation.
  • Grunt: Determines how strongly the low frequencies are saturated by selecting between three different bass-boost stages before the clipping stage.
  • Bass: ±12 dB at 100 Hz
  • Lo Mids: ±12 dB, switchable between 250 Hz, 500 Hz and 1 kHz
  • Hi Mids: ±12 dB, switchable between 750 Hz, 1.5 kHz and 3 kHz
  • Treble: ±12 dB at 5 kHz
  • Aux In (3.5 mm stereo, can only be used together with the headphone output)
  • Headphone output (3.5 mm stereo jack)
  • Direct Out (balanced XLR output) with ground lift
  • Cab Sim switch
  • Via the Micro-USB-B port you can connect the pedal to a PC/Mac to load cabinet-simulation impulse responses onto the pedal and control various other settings.
  • Dimensions (W x L x H): 125 x 96 x 57 mm
  • Weight: 430 g

Scope of delivery

  • 1 x Darkglass Microtubes B7K Ultra V2

Specification

  • Product number 00113943
  • Colour Black

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Financing

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

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