Focusrite ISA C8X (26-in, 28-out USB-C) Audio Interface

$3499
SKU: C8X Category:

Capture the legendary ISA sound with eight remote-controlled preamps, classic Lundahl transformers, and Console & 430 Air analogue modes. With pristine 24-bit/192kHz conversion and full recallability, the ISA C8X is the studio centrepiece your sound deserves.

PID: 8740

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Focusrite ISA C8X (26-in, 28-out USB-C) Audio Interface

If you demand warm, rich analogue sound combined with cutting-edge digital control, the Focusrite ISA C8X audio interface is your ultimate studio workhorse. From pristine microphone capture to flexible routing and powerful mix recall, ISA C8X lets you manage your entire setup with precision and style.

Legendary ISA Preamps with Total Control

Firstly, the heart of the ISA C8X is its two Lundahl transformer-based ISA preamps. These deliver subtle warmth and body thanks to the Lundahl LL1538 input transformers. Their all-analogue Console mode brings warm saturation. Meanwhile, 430 Air mode adds high-end shimmer. Therefore, letting you sculpt the perfect tonal balance. Switchable impedance, balanced inserts, high-pass filtering, and up to 79dB of gain give you professional flexibility.

Versatile Inputs and Ultra-Clean Gain

Moreover, ISA C8X includes six additional ultra-low-noise mic preamps with 69dB gain, Air mode for added presence. Also, Drive DSP for analogue-style warmth. Two front-panel instrument inputs run through the same Lundahl transformers as the ISA preamps. Furthermore, complete with selectable impedance and the Console and 430 Air tonal modes.

Expand and Monitor Your Studio with Confidence

Additionally, 12 balanced line outputs, including options for immersive 7.1.4 setups and three monitor groups. ISA C8X gives you maximum flexibility for mixing. Flagship 24-bit/192kHz AD/DA converters deliver 125dB dynamic range with ultra-low distortion. Also, two independent headphone outputs offer powerful, detailed monitoring. Comprehensive connectivity includes ADAT, S/PDIF, MIDI, and Word Clock for easy system expansion.

Key Features

  • Two ISA preamps with Lundahl transformers, Console and 430 Air analogue modes
  • Six remote-controllable mic preamps with Air and Drive modes
  • Two transformer-based front-panel instrument inputs with selectable impedance
  • Eight dedicated fixed-gain balanced line inputs
  • Automatic gain control with Auto Gain
  • Flagship 24-bit/192kHz AD/DA conversion
  • 12 balanced line outputs with immersive format support
  • Two class AB headphone outputs with independent control
  • ADAT, S/PDIF, MIDI, and Word Clock connectivity
  • Focusrite Control 2 desktop and mobile remote control software
  • Three-year warranty and award-winning technical support
  • 2U rack-mounted design with 26 inputs and 28 outputs, supporting analogue and digital audio routing.
  • Two Lundahl transformer–based ISA preamps with Console and 430 Air analogue modes, switchable impedance, balanced inserts, and high-pass filters.
  • Six additional ultra-low-noise mic preamps with Air and Drive modes, 69dB gain, remotely controllable via Focusrite Control 2.
  • Two front-panel instrument inputs through Lundahl transformers with selectable impedance and analogue tonal shaping.
  • Eight dedicated fixed-gain balanced line inputs for patch-bay setups and outboard gear connectivity.
  • Automated Auto Gain adjusts all eight preamps from the front panel or Focusrite Control 2 app.
  • Flagship 24-bit/192kHz AD/DA converters with 125dB dynamic range and minimal distortion for pristine sound quality.
  • 12 balanced line outputs supporting mono, stereo, and immersive 7.1.4 formats with three monitor groups and +24dBu maximum output level.
  • Two class AB headphone outputs with independent volume controls and optimized impedance for detailed playback.
  • ADAT, S/PDIF, MIDI, and Word Clock connectivity for versatile studio expansion.
  • Focusrite Control 2 software and mobile app for remote gain, routing, mix recall, and low-latency monitoring.
  • Three-year warranty and award-winning 24/7/365 technical support for peace of mind.

Microphone Preamps: 8
Phantom Power: Yes (Independent per-channel)
Line Inputs: 8
Instrument Inputs: 2
Insert Sends: 2
Insert Returns: 2
Line Outputs: 12
Headphone Outputs: 2
ADAT Inputs: 2 (16 channels at 44.1/48kHz and up to 8 channels at 96kHz)
ADAT Outputs: 2 (16 channels at 44.1/48kHz and up to 8 channels at 96kHz)
SPDIF Input: 1 (2 channels at 96kHz)
SPDIF Output: 1 (2 channels at 96kHz)
MIDI Input: 1
MIDI Output: 1
Word Clock Input: 1
Word Clock Output: 1
Talkback: Yes
Loopback: Yes
Connectivity: USB Type-C
Protocol: USB 2.0
Form Factor: Rack Mountable (2U)
Simultaneous I/O: 26×28 (including Loopback)
A/D Resolution: 24-bit/192 kHz
Maximum Power Draw: 40W
Bus Powered: No

For more information, please visit the manufacturer's website.