Best Service Chris Hein Bass - sample library with six exceptional bass instruments, sampled with all imaginable detail, 12.7GB of natural bass sounds, up to 4,089 samples per sound, up to 42 articulations, up to 8 velocity layers, 112 MIDI controllable parameters with total recall. Includes Native Instruments Kontakt 2 player. Compatible with Mac OSX and Windows (XP/Vista). Supports AU, VST, RTAS and standalone operation.