The Focusrite ISA C8X is a flagship 2U USB-C audio interface and remote-controlled microphone preamp system designed for professional recording studios, production facilities and immersive audio workflows. Combining two authentic ISA transformer microphone preamps with Lundahl LL1538 transformers and six ultra-low-noise Focusrite microphone preamps, the ISA C8X delivers legendary analogue character alongside modern workflow features including remote control, Auto Gain, premium 24-bit/192 kHz conversion, extensive analogue and digital connectivity, immersive monitor support and Focusrite Control 2 integration. Key features 26-in / 28-out professional USB-C audio interface 8 remote-controlled microphone preamps 2 ISA transformer preamps with Lundahl LL1538 transformers 6 ultra-low-noise Focusrite microphone preamps 24-bit / 192 kHz AD/DA conversion Up to 125 dB dynamic range Console and 430 Air analogue tone modes Auto Gain and Focusrite Control 2 remote control 12 balanced line outputs with immersive monitoring support Dual ADAT, S/PDIF, MIDI and Word Clock connectivity Two Class AB headphone amplifiers Balanced insert points on ISA channels Overview Type Professional USB-C Rackmount Audio Interface Form Factor 2U Rackmount Audio Resolution 24-bit / 192 kHz Simultaneous I/O 26 Inputs / 28 Outputs Microphone Preamps 8 (2 ISA Transformer + 6 Focusrite) Maximum Gain 79 dB (ISA), 69 dB (Focusrite) Dynamic Range Up to 125 dB Analogue Inputs 8 Mic, 8 Line, 2 Instrument, 2 Insert Returns Analogue Outputs 12 Balanced Line Outputs, 2 Headphone Outputs Digital I/O Dual ADAT, S/PDIF, MIDI, Word Clock Connectivity USB-C (USB 2.0) Special Features Auto Gain, Console Mode, 430 Air Mode, Focusrite Control 2, Loopback, Talkback Dimensions 482.6 × 292.8 × 89 mm Weight 5.56 kg Included Content Focusrite ISA C8X audio interface USB-C to USB-C cable IEC power cable Hitmaker Expansion software bundle User documentation Creative Tools Capture recordings with legendary ISA transformer microphone preamps Switch between Console and 430 Air analogue modes for tonal shaping Remote control all preamps and routing using Focusrite Control 2 Automatically optimise recording levels with multichannel Auto Gain Create immersive monitoring setups with up to 7.1.4 speaker configurations Expand studio I/O via dual ADAT, S/PDIF and Word Clock connections Integrate external processors using balanced insert points on ISA channels High-performance converters deliver exceptional detail for recording, mixing and mastering Ideal For Professional recording studios Music producers Recording engineers Mixing engineers Mastering studios Immersive audio production Commercial studio installations Broadcast and post-production facilities