Neutron 4 offers a suite of 8 plug-ins, including a mothership and 7 component modules, for versatile sound sculpting. Additional tools like Visual Mixer, Relay, and Tonal Balance Control 2 assist in the mixing process. Key features include Unmask for resolving masking issues, Sculptor for resonance removal and enhancement, Transient Shaper for shaping sound contours, Exciter for character addition, Gate for dynamic control, Compressor for precise track fitting, and Equaliser for intelligent frequency detection.