Pitch lock

From Ssl-wiki

Key lock (also called Master Tempo on Pioneer CDJs) is only in versions 1.7 and above. Please download the latest version.

Serato is working on implementing their industry standard "Pitch N Time" plugin into SSL. It will be available as an additional paid plug-in add-on. The price has not been determined yet, but speculate within the $50 range (Taken from here ).