FOCUSRITE PRO ISA 428 MkII
4-channel mic preamp.
Product lists can be submitted to HHB for a packaged quotation
The Focusrite ISA428 MkII houses four of Focusrite’s classic ISA transformer-based preamps in a 2U rack-mount chassis. The unit features the same circuitry and renowned audio quality as the original, with selectable input impedance, DI inputs, and an optional eight-channel A/D converter. Each channel has dedicated analogue insert points, a variable high-pass filter, Phantom power, and phase reverse.
4 ISA transformer-based microphone preamps
• Switchable impedance
• DI inputs
• Variable high-pass filter
• Phantom Power
• Phase reverse switch
• Optional 8-channel 192kHz A/D board