Focusrite ISA Two PreampDescription The Focusrite ISA Two mic preamp gives you access to the sonic essence of the legendary Forte and Studio consoles one rack unit chassis. The two separate channels,are loadde with with inputs for microphone, line level, and direct instrument level sources. A adjustable impedance selector also lets you dial in the warmth you want without reducing clarity. The ISA Twos DI and microphone inputs run in parallel, so you can blend the direct