IK Multimedia Z-Tone Buffer Boost, Guitar preamp and active DI box, Floor pedal with buffer, booster and DI function, Switching for active and passive pickups, PURE channel for clear sound, JFET circuit for subtle harmonic additions, Z-tone control with variable impedance enables a wide tonal range, 10 dB boost control, Signal split via link output, Bypass and boost switch, Input: 6.35 mm jack unbalanced, Link output: 1/4