Native Instruments Komplete 9 Ultimate is a more or less complete collection from a variety of software instruments (synthesizers, samplers and hybrid forms) and effects. The instruments are geared mostly to electronic music. So who makes no music in the electronic field, which I would advise against a purchase. All others I would recommend a purchase. The price-performance ratio is unbeatable. For expensive at first glance, the price of 966, the complete Native Instruments Komplete 9 Ultimate package includes 65 different synthesizers, samplers and effects. The well-known and indispensable instruments Native Instruments Komplete 8 from the (Ultimate) Packet as Massive, Absynth, FM, reactor and Contact are of course again in the complete package of Komplete 9 (Ultimate) included. New compared to its predecessor (Native Instruments Komplete 8 Ultimate) of the synthesizer are Monark, the new revised version of Battery (now Battery 4), the Skanner XT with a hybrid technology of synthesis and sampling, a new Piano Library The Giant, the instruments sections of Session horn, the Action Strings String Instruments, the Drum Vintage Abbey Road drummer Bass Scarbee Rickenbacker bass and Damage and Evolve. Among the effects is to say that two new reverb effects devices in Komplete 9 Ultimate package from Native Instruments are available: RC24 and RC48. Furthermore, a compressor called Vari Comp matters worse, the Driver (Distortion) and an equalizer (EQ Enhanced). The Native Instruments 9 Ultimate package is delivered to an external hard drive and includes 360GB of sounds. The complete installation requires whole 250GB hard drive memory. However, it is also possible to install only 10GB, the rest is then the external hard drive from Native Instruments Komplete Ultimate 9. Practically the whole package is also available in combination with the engine of Native Instruments. The sampler contact 5, which was the predecessor (Komplete 8 (Ultimate)) exists, with its extensive library, has now become the standard in the electronic music production. Battery and 4 with its huge collection of drum samples. The products are available as VST, AU, axx, RTAS and available as a standalone for Windows and Mac OS X. Native Instruments Komplete 9 Ultimate is a must for music producers in the electronic field and a purchase is highly recommended.