Crysonic Spectraphy LE VST-NoGRP 
Spectra'Phy™ -is the first Mastering grade look-ahead brickwall limiter of it's type to utilize the principals of mechanical physics for Audio processing.
Spectra'Phy™ main features
• NEW Physics based Peak Limiting
• Maximum transparent loudness
• Look-ahead Brickwall limiting with no overshoots
• Variable Limiter mode (Analog / Physical - Digital / Current)
• Elasticity - Limiter Transient (Peak) response strength / Speed
• Saturation / Drive Dial
• VST Automation for all parameters
• Gain reduction and RMS meters
• 64-bit internal precision
• 24bit/96Khz audio support
• Highly optimized custom DSP code
• For Mastering, Mixing and Tracking
