The HT-DUAL pedal from Blackstar's HT Range of tube overdrive pedals features true high-voltage (300V) circuitry and are packed with innovations and tone. The revolutionary, patent-applied-for tone-shaping feature ISF (Infinite Shape Feature) will redefine the tonal expectations of guitarists. HT-DUAL pedal's Channel 1 has either Clean or Crunch modes so it can be used clean, as a boost or overdrive. Channel 2 gives distortion tones from super crunch right up to screaming lead. The unique switching operation will transform a single channel vintage amp into a 3-channel tone machine. The ISF control takes you from 'British Valve' to 'Modern American' and anywhere in-between. Add to this the no-compromise, speaker-emulated output and you have the most cost-effective way of getting real tube tones direct to disk or tape. PURE TUBE DISTORTION The HT-DUAL has high voltage tube design for true tube dynamics and feel. 2 cascaded ECC83 triode stages for gain from warm boost to screaming lead. Enhanced tone network for massive tonal flexibility with traditional passive network musicality. Patent-Applied-For ISF control allows access to infinite new sounds. Emulated output is a new benchmark design for pro direct recording sounds. High-integrity bypass for silent switching and driving long cables. So whether you're playing live or recording, with the HT Range of pedals you can finally get the sound you want.