The Source Audio AfterShock Bass Distortion is a versatile bass guitar effects pedal, offering three distinct distortion voicings (Tube, Heavy, and Fuzz) via a toggle switch. This pedal gives bassists a wide range of tones, from classic tube overdrive to aggressive fuzz, all controllable via the Drive, Clean, Tone, and Level knobs. The AfterShock's advanced features include a USB port for firmware updates, MIDI capabilities through the Soundblox HUB, and extensive customization options using the Neuro Mobile App, allowing users to fine-tune parameters and create custom presets. Its ability to emulate various distortion and preamp sounds, coupled with its deep editing capabilities, make it a powerful tool for bassists seeking a wide palette of distorted sounds.