Focusrite ISA C8X

ISA C8X Audio Interface – Professional recording with advanced preamps and flexible routing

The ISA C8X is a powerful 2U rack-mountable USB audio interface that combines classic analog sound with modern digital control. With extensive inputs and outputs, remote control, and high-resolution AD/DA conversion, it is a complete solution for professional studios and advanced recording applications.

Key Features

26 inputs / 28 outputs (simultaneous)
24-bit / 192 kHz AD/DA conversion
125 dB dynamic range
USB-C connection (USB 2.0)
Rack-mountable (2U)

Preamps and Sound Quality

2 ISA microphone preamps with Lundahl LL1538 transformers
6 low-noise microphone preamps
Up to 79 dB gain (ISA)
Up to 69 dB gain (others)
Analog Console mode for saturation
430 Air mode for increased clarity
Switchable impedance
High-pass filter
Balanced inserts

Instrument and line inputs

2 instrument inputs with transformer and selectable impedance
8 balanced line inputs with fixed gain

Outputs and monitoring

12 balanced line outputs
Support for mono, stereo, and up to 7.1.4
3 monitor groups
Max output level: +24 dBu
2 headphone outputs (Class AB) with separate level control

Digital connectivity and expansion

ADAT in/out (up to 16 channels)
S/PDIF in/out
MIDI in/out
Word Clock in/out

Smart controls and features

Remote control via front panel and software
Focusrite Control 2 (desktop and mobile)
Auto Gain for automatic level adjustment
Loopback function
Talkback support
Low latency monitoring

Power and Performance

Maximum power consumption: 40 W

Professional flexibility and control

The ISA C8X offers a combination of classic analog character and modern digital precision, with flexible routing, extensive connectivity, and advanced control—ideal for complex recording and mixing environments.