TH-U Essentials is included free with the purchase of any Rig Library, providing users with a powerful tone-shaping platform. Upon authorizing a Rig Library, the license is automatically added to your account, enabling immediate access to a curated selection of amp and effect models. This version delivers a streamlined experience featuring four guitar amplifier models, five cabinet options, six pedal and rack effects, and eighteen microphone models with flexible mic placement on cabinets.

The software incorporates advanced technologies such as Amp Tweak, allowing users to customize amplifiers by altering preamp and poweramp tube characteristics and simulating vintage power supply behaviors. The Rig Player includes ten factory presets that replicate real-world setups, while Scenes offer instant recall of different model configurations within presets. The fourth-generation analog emulation engine employs a proprietary nonlinear processing algorithm to deliver authentic tone and dynamic response.

TH-U Essentials also includes sophisticated cabinet emulations powered by ReSPiRe 2 technology, along with 3D microphone positioning and room simulation for a natural sound environment. Users can easily create or modify signal chains with an intuitive interface, enhanced by intelligent MIDI control and a built-in chromatic tuner. This combination of features makes TH-U Essentials an accessible yet powerful tool for guitarists seeking high-quality tone modeling.