About: Focusrite ISA 428 MkII 4-Channel 2U Mic Preamp

Focusrite ISA 428 MkII incorporates four of Focusrite's renowned mic pres in a simple-to-operate 2U enclosure, placing four mic preamps, instrument inputs and line ins at your fingertips. Each of these incredible preamps features switchable impedance and an impressive 122dB of dynamic range, and each provides you with Focusrite's highly sought-after warm and transparent sound.

Features

Highpass filters on every channel
4 classic transformer-based preamps
Switchable impedance for unparalleled mic matching or extended mic creativity
Includes the classic ISA 110 setting
Multiple direct instrument inputs on the front panel
Analog insert points on every channel
Ultra-precise LED metering (dBfs)
2U chassis design
Optional A/D card provides 8 channels of cutting-edge conversion at up to 192kHz