Waves SSL 4000 Collection Native Bundle Plug-ins based on the legendary Solid State Logic SSL 4000 Series Plug-ins include SSL E-Channel, SSL G-Master Buss Compressor, and the SSL G-Equalizer The SSL E-Channel delivers the characteristic sound of the originals all-discrete design and its Class A, VCA chip Testing reveals Waves SSL 4000 plug-ins sound virtually identical to their hardware counterparts Requires iLok authorization