Review:

Focusrite Isa One Microphone Preamp

overall review score: 4.5
score is between 0 and 5
The Focusrite ISA One Microphone Preamp is a high-quality, single-channel preamplifier designed for recording professionals and enthusiasts. It offers pristine audio quality and versatile routing options for various studio applications.

Key Features

  • Single-channel microphone preamp
  • Selectable impedance for flexible microphone matching
  • Dedicated instrument input for DI applications
  • 24-bit/192kHz digital conversion with optional A/D card
  • Variable input impedance to accommodate different microphones

Pros

  • Exceptional audio quality
  • Versatile routing options
  • Solid build quality

Cons

  • Relatively expensive
  • Limited number of channels

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Last updated: Tue, Apr 21, 2026, 12:46:30 PM UTC