- Studio Clean (VST and DirectX): Audio restoration tools, including noise reduction, click and crackle reduction, restoration of clipped audio recordings and high frequency harmonic synthesis (gives new life to dull sounding recordings).
- Studio Time (DirectX): Professional quality time stretching and pitch shifting (transposition of key).
- Studio Necessities (VST and DirectX): Mastering and sound design tools, including equalizer, dynamic processing, limiter, reverb, chorus, flanger, phaser and multi-tap delay.

New in Acoustica Premium 4.1

- Multi-band compressor: Get more presence and perceived loudness out of your recordings using the new multi-band compressor.
- Enhanced de-crackle: The integrated de-click and de-crackle tool was improved and contains a new parameter for crackle sensitivity.
- Batch Processing Wizard: Convert file formats, change sampling format or process multiple files using the new Batch Processing Wizard.
- FreeDB support: Download artist and title information from the internet when ripping CDs.
- Define loops for MIDI samplers in wave files: Create sampler compatible wave files with looping information.
- Create cross-faded loops: Get rid of clicks when loops are repeated with the loop cross-fader.
- Selection grid lines
- Enhanced mixing with clipboard content
- A single keyboard shortcut adds named regions and labels: Ctrl+R and Ctrl+L open a dialog box that allows the name of a new region or label to be defined.
- Guitar Distortion: Add guitar amplifier fuzz and distortion.