The Mooer Thunderball is a mini bass fuzz/distortion pedal that offers both fuzz and distortion modes. The Fuzz mode delivers a classic fuzz tone designed for bass, while the Distortion mode provides an old-style overload sound. It's inspired by the Electro-Harmonix Bass Blogger.
Users compared the Thunderball to the original [Electro-Harmonix Bass Blogger], noting similarities in sound, but also differences in neutral and extreme settings. Some guitarists preferred the original due to aesthetics, while others valued the compact size for pedalboard space.