Refx Nexus 4 provides a range of macro knobs that allow you to modify multiple parameters of a sound simultaneously. These macro knobs provide a quick and intuitive way to make changes to the sound without having to dive into the individual parameters.

The features of the macro knobs in Refx Nexus 4 include:

1. Multiple Parameters: Each macro knob can control multiple parameters simultaneously, allowing you to make complex changes to the sound with a single knob.
2. Customizable: The macro knobs can be customized to suit the user’s needs, allowing them to assign specific parameters to each knob.
3. Easy to Use: The macro knobs are easy to use, making it simple for you to make changes to the sound quickly and efficiently.

However, the macro knobs in Refx Nexus 4 also have some limitations, including:

• Limited Control: Depending on the preset being used, the macro knobs may not have control over certain parameters. This can be frustrating, as it may limit the user’s ability to make the desired changes to the sound.
• Limited Sound Design: While the macro knobs are useful for making quick changes to a sound, they may not provide the same level of sound design control as editing individual parameters would. This can limit the user’s ability to create something completely unique.

The routing matrix in Refx Nexus 4 is a powerful tool that allows you to route and mix signals within the synthesizer. It’s a flexible and intuitive way to combine multiple sources and destinations, allowing for various sound design possibilities.

The routing matrix is divided into two sections: the sources and the destinations. The sources section contains a range of inputs, such as oscillators, filters, and effects. The destinations section contains the main output, the effects output, and the aux outputs.

Each source and destination has its own row and column in the matrix, and you can simply click on the intersection of a row and column to create a new routing. For example, you can route an oscillator to the main output, or they can route an effect to an aux output.

One of the great things about this tab is you can create complex routings. For example, send an oscillator to both the main output and an aux output, or create feedback loops by routing a signal back to itself. This creates unique and complex sounds that may not be possible with other synthesizers.

Another feature of the routing matrix is its modularity. you can add and remove modules as needed, allowing them to create custom signal chains that suit their specific needs. This can be particularly useful for sound designers who want to create unique and complex sounds.

The arpeggiator tab in Refx Nexus 4 is a powerful tool that allows you to create complex arpeggios and patterns. It has controls that can be used to create many rhythmic patterns and sequences.

The arpeggiator tab is divided into several sections, including the pattern, timing, and modulation sections.

The pattern section allows you to choose from a range of preset patterns or to create their own custom patterns. You can also adjust the octave range and the order of the notes in the arpeggio.

The timing section allows you to control the speed and swing of the arpeggio. The speed can be adjusted for beats per minute (BPM), while the swing control adds a subtle groove to the arpeggio.

The modulation section allows you to add modulation to the arpeggio. you can choose from different modulation sources, including LFOs, envelopes, and velocity, and route them to various arpeggio parameters, such as the pitch, filter, or volume.

One of the key features of the arpeggiator in Refx Nexus 4 is the ability to create complex rhythms and patterns using the pattern sequencer. The sequencer allows you to create custom patterns by drawing in individual steps and notes. Create intricate and unique patterns that can be used to add interest and complexity to the sounds.

Another useful feature of the arpeggiator is the ability to sync it to the host tempo. This ensures that the arpeggio stays in time with the rest of the project, making it easier to integrate into a larger composition.