This Focusrite has sticky buttons, was tested and it has to be cycled off and on a few times before they are operable. The model ISA-428 is a reliable choice for those in search of a versatile and powerful preamp.
It's suitable for use with a variety of instruments and vocal styles, and its compact design makes it an easy choice for those with limited space. Whether you're a professional musician or just starting out, this preamp is sure to meet your needs.
HAS THE USUAL sticking UV 2 out of 4 but everything else works as it should, it is used and has a few scuffs, to be expected, but in a clean non smoking environment.