Tehnička specifikacija: * Volume control of 1 stereo or 2 individual musical instruments *Dedicated modulation function for direct connection to keyboard’s modulation control input * VCA control for utmost reliability and smooth audio performance * Adjustable minimal volume * Standard 9 V battery or 12 V DC adapter operation (not included) * Battery "low" indicator * Ultra-compact, road-suitable housing * High-quality components and exceptionally rugged construction ensure long life