Das Belgrad ist eine analoge Multimode-Schaltung mit variablem Grundsound und ganzen zehn Filter-Charakteristika. Zwei mehr oder weniger unabhängige Resonanzspitzen machen, neben klassischen Frequenzbeschneidungen, auch ungewöhnliche Ergebnisse möglich. Hierunter fallen zum Beispiel Formant-Klänge.

Katowice is a stereo variable–band isolator that allows the user to manipulate a selected range of frequencies. It is the first module in a series of upcoming Xaoc Devices products designed specifically for processing stereo signals.

Odessa is an additive oscillator, which means the output signal is synthesized by adding a multitude of sinusoidal components (up to 2560 harmonic partials).

Sofia is a fully analog voltage-controlled oscillator (VCO) based on an original waveforming principle. It features a modern, well-calibrated, temperature compensated triangle core and two elaborate waveshaping and modulating sections. The sound is a mixture of a warm, saturated base tone and two ripple components. Besides its main output, Sofia offers access to individual components of the sound plus a multitude of modulation inputs allowing for extensive self-patching and animation of the waveform. To better understand the device, we strongly advise the user to read through the entire manual before using the module.