Darkglass Microtubes B3K v2 Bass Overdr, Effect Pedal for Electric Bass, Overdrive, Successor to the renowned B3K CMOS Overdrive, All original features with additional mid-boost to restore the mids for natural character and a tone button instead of the Attack switch, A perfect combination of brutality and clarity provides a defined and powerful saturation in an easy-to-use format, Controls: Drive - Level - Tone - Blend, Buttons: Grunt - Mid Boost, LED: Effect On, Foot switch: Effect bypass, Connections: (6.3 mm jack), output (6.3 mm jack), power supply connection (coaxial socket 5.5 x 2.1 mm - negative pole inside), Power consumption: 20 mA, Power supply with a 9 V DC power supply (not included - matching power supply: Article Nr #409939#), True bypass, Dimensions (W x D x H): 75 x 113 x 45 mm, Made in Finland@+*Note:* No battery operation possible.@+@+