The Focusrite ISA 428 MKII microphone preamp is a 4 channel solid state preamp packed with features for making your vocal and instrument recordings sound amazing.
The Focusrite ISA 428 (ISA428) MkII provides four of Focusrite's prestigious transformer-based microphone preamps. It features the same classic circuitry and renowned audio quality found in the original at a new level of affordability. With selectable input impedance, direct instrument inputs and an optional eight channels of high-quality analogue to digital conversion, the ISA428 MkII creates the perfect front end for the discerning recording professional.
General Specifications
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| Number of Channels | 4 |
| Topology | Solid-State |
| Output Metering | Yes |
| Balanced XLR Inputs | 4 |
| 1/4" Jack Balanced (TRS) Inputs | 4 |
| Balanced XLR Outputs | 4 |
| 1/4" Jack Balanced (TRS) Outputs | 4 |
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| Number of Preamps | 4 |
| Phantom Power | 48V |
| Gain Range | 0dB to +60dB in 10dB steps |
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| Weight (kg) | 5.5 |
| Height (Rackmount Units) | 2U |
| Dimensions | H 3.5"
W 19"
D 11" |
