OSIRIS XT combines the power of a dual wave file player with a synthesizer, offering two stereo wave players capable of handling 16 and 24-bit audio. This setup allows for rich layering and complex sound design, giving producers the ability to manipulate samples and synth sounds within a single instrument.

The instrument includes two modulation envelopes and four low-frequency oscillators that can sync to the host tempo, providing dynamic control over sound shaping. It also features two multi-mode parallel filters and a ring modulator, expanding the range of tonal possibilities. A comprehensive modulation matrix with 135 digital routing options enables intricate modulation assignments to customize sounds extensively.

OSIRIS XT also offers a stereo mixer with left and right level controls accessible through the modulation matrix, plus built-in chorus for added depth and texture. MIDI learn functionality simplifies integration into any setup, making it easy to assign external controllers and streamline workflow. This combination of features makes OSIRIS XT a powerful tool for creating innovative, layered sounds.