Ample Bass JF captures the iconic sound of the Fender Custom Shop Jaco Pastorius Relic Fretless Jazz Bass, delivering authentic fretless bass tones directly to your studio. This instrument offers a rich collection of articulations including finger noise, sustain, palm mute, natural and artificial harmonics, hammer-ons, pull-offs, slides, slaps, pops, legato variations, and more. Its advanced sampling system ensures expressive and dynamic playback, making it ideal for producing realistic fretless bass performances with natural nuances.

Equipped with a built-in AMP system, Ample Bass JF provides three classic amplifier models and a selection of cabinet and microphone options to tailor your sound. The included effects section features a high-order EQ, multi-mode compressor, echo with adjustable taps, and IR reverb with various room simulations for depth and ambiance. The integrated Tab Player supports multiple tablature formats, allowing for detailed playback with fingering, articulations, and expression markers. It also enables exporting audio directly from tablature files, enhancing workflow within DAWs.

The Riffer 2 feature offers a powerful string roll editor and a sophisticated random riff generator that analyzes musical patterns to inspire new bass lines. Customizable parameters can be controlled via MIDI or automation for precise performance shaping. Additional technologies like poly legato, slide smoothing, alternate tuning, capo logic, and an automatic buzzing system contribute to the instrument's realism and playability. Together, these features make Ample Bass JF an expressive, studio-ready fretless bass solution for composers and producers.