"Unlock diabolic distortion: Nine Gates delivers ultimate metal tones with cutting-edge tech." Nembrini Audio's Nine Gates is an original preamplifier, designed for metal enthusiasts who demand precision and power in their tone. Nine Gates features dual gain stages and an interactive 3-band EQ with circuit interaction. Works as a standalone app, AudioUnit v3 effect, or Inter-App Audio effect It also includes advanced DSP edge filtering for precise tone shaping.