• 4 ISA 110 preamps
• 4 impedance settings
• Up to 80 dB gain
• Insert send and return
• 2U

Focusrite ISA 428 mkII

Here you get 4 of Focusrite´s renowned microphone preamps from the popular ISA in a simple 2U format. The ISA 428 mkII comes with 3 additional input impedances in addition to the classic ISA 110 setting, so you can use these special preamps with any microphone - vintage or modern.

• 4 mic preamps from the classic ISA 110 in a simple rack format.
• 4 impedance settings, allowing you to use both old-fashioned and modern microphones.
• Up to 60 dB gain with the fire-way knob and an additional 20 dB with the continuous knob - a total gain up to a full 80 dB, should it become necessary.
• High-pass filter with variable cutoff between 16 and 420 Hz.
• Can also be used with instrument and line inputs.
• Insert send and return on the back.
• LED showing levels of inputs and any signal from the optional A-D conversion.
• The size is 2U.