The HT-DRIVE Overdrive effect pedal from Blackstar has dual cascaded, high voltage, triode stages which deliver gain from warm boost to screaming tube saturation. The unique 'A-Class' tone control cuts the fizz without making your backed-off tone sound dull and lifeless. Add to this no compromise speaker emulated output and you have the ultimate overdrive dream.The 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.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.So whether you're playing live or recording, with the HT Range of pedals you can finally get 'the sound in your head'.PURE TUBE OVERDRIVEThe HT-DRIVE pedal has a high voltage tube design for true tube dynamics and feel. Two cascaded ECC83 triode stages for gain from warm boost to screaming saturation. Unique 'A-Class' tone control retains your guitar's natural character. Emulated output is a new benchmark design for pro direct recording sounds. High integrity bypass for silent switching and driving long cables.FeaturesGenuine tube design Operates at 300V HTCascaded tube gain stagesResponds like a tube amp Unique 'A Class' tone control Fully equipped forstage or studio Speaker emulated output High integrity buffered bypass Power supply includedSilent switchingNEW IN BOX!WORLDWIDE SHIPPING AVAILABLE!International Buyers: I recommend buying insurance $4. Buyer is responsible for import taxes, customs fees, etc.