Updated 12 May 2026
| Brand | Darkglass |
| Category | Guitars and Basses > Bass Amps > Bass Preamps |
| Available at | 3 UK stores |
| 90-day avg | £384.75 |
Darkglass
Darkglass Microtubes B7K Ultra v2 Aux
£380.00Fair Price
Cheapest at Bax · 3 stores
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PRICE HISTORY
Current
£368
Change
+6.9%
Avg
£371
Low
£333
High
£405
Volatility
4.8%
PRODUCT DESCRIPTION
- Darkglass Microtubes B7K Ultra v2 Aux
- Effect Pedal
- Bass Overdrive
- New additional features to the first version: single user-loadable speaker simulation Impulse Response
- Micro-USB B connector for connection to a PC/Mac
- 3.5 mm headphone output with speaker simulation as well as balanced XLR output with switchable speaker simulation
- Controls: Drive
- Level
- Blend
- Master
- Treble
- Hi Mids
- Lo Mids
- Bass
- Push buttons: Cab Sim
- Ground Lift
- Switches: Attack
- Grunt
- Lo Mids (500 Hz/1 kHz/250 Hz)
- Hi Mids (1.5 kHz/3 kHz/750 Hz)
- LED: Effect On
- Distortion
- Footswitch: Effect Bypass
- Distortion
- Input: 6.3 mm jack
- Output: 6.3 mm jack
- Direct output: XLR
- Aux input: 3.5 mm jack
- Headphone output: 3.5 mm jack
- Power supply connection: Coaxial connector 5.5 x 2.1 mm, negative polarity inside
- Power consumption: 110 mA
- Power supply via 9 V DC mains adapter (not included in delivery, suitable mains adapter: Art.#409939#)
- True bypass
- Dimensions (W x D x H): 125 x 96 x 57 mm
- Weight: 430 g
- Made in Finland@+*Note:* Battery operation is not supported.