Blackstar HT-DISTX High-Gain Distortion Pedal Genuine tube design; operates at 300 Volts for true hot tube dynamics and feel ECC83 (12AX7) Tube offers two cascading tube gain stages to your rig 3-Band EQ with ISF (Infinite Shape Feature) enhanced tone shaping; Extreme Gain and Level controls Emulated speaker output is a new benchmark design for direct recording High integrity bypass for silent switching and driving long cable runs; Power supply is included