The presonus eris studio 5 ultimate production bundle is an all in one music production package comprised of a pair of eris studio 5 monitors the quantum es2 audio interface the subzero controlkey 49s midi keyboard controller a pair of hd7 monitoring headphones a pair of desktop monitor speaker stands and three premium quality cables for hooking everything up'. '.strtoupper('t')he presonus quantum es 2 is tailored for musicians and producers seeking pristine audio quality and efficient workflow'. '.strtoupper('t')his interface stands out with its ultra low latency crucial for real time tracking and mixing enabling artists to hear themselves without delay'. '.strtoupper('d')elivering 24 bit 192khz audio fidelity the quantum hd e2 is ideal for any professional recording task'. '.strtoupper('e')quipped with ultra low latency drivers and next generation presonus max hd preamps the quantum es2 delivers unparalleled sonic accuracy'. '.strtoupper('t')he presonus eris studio 5 is a breakthrough in compact studio monitors utilising high grade components coupled with cutting edge technology to deliver a super wide sweet spot and superior sonic accuracy'. '.strtoupper('d')esigned to deliver exceptional audio performance in even the smallest of mixing spaces this monitor provides an impressive amount of low end and a wide well controlled sweet spot for accurate monitoring'. '.strtoupper('t')he subzero conrolkey 49s is a comprehensive midi controller simply plugs in via usb'. '.strtoupper('f')eaturing 49 touch sensitive keys as well as assignable keys and faders the slim design takes up less space on your desktop'. '.strtoupper('t')he subzero 49 key slim midi controller keyboard gives you full control over your daw or midi device whether youre in the studio or performing live.