• 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
• Line Outputs: 10
• 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: N
ISA Microphone Inputs (Channels 1-2)
• Frequency Response: 20Hz-20kHz (±0.4dB)
• Dynamic Range (A-weighted): 117dB
• THD+N (minimum at minimum gain): -93dB (0.00023%)
• Noise EIN (A-Weighted): -128dB
• Maximum Input Level (minimum gain, Low impedance): +16dBu
• Gain Range: 79dB
• Input Impedance (switchable): 800Ω (Low), 1400Ω (ISA 110), 2400Ω (Med), 7000Ω (High)
• High Pass Filter (HPF): 75Hz cut-off frequency, 18dB/Octave
Microphone Inputs (Channels 3-8)
• Frequency Response: 20Hz-20kHz (±0.1dB)
• Dynamic Range (A-weighted): 116dB
• THD+N (minimum at 8dB Gain): -100dB (0.001%)
• Noise EIN (A-Weighted): -127dB
• Maximum Input Level (minimum gain): +16dBu
• Gain Range: 69dB
• Input Impedance: 3200Ω
Fixed-level Line Inputs (Channels 1-8)
• Frequency Response: 20Hz-20kHz (±0.05dB)
• Dynamic Range (A-weighted): 120dB
• THD+N (minimum): < -105dB (0.00056%)
• Maximum Input Level: +24dBu
Instrument Inputs (Channels 1-2)
• Frequency Response: 20Hz-20kHz (±0.5dB)
• Dynamic Range (A-weighted): 117dB
• THD+N (minimum): -89dB (0.0036%)
• Maximum Input Level (at minimum gain): +15dBu
• Gain Range: 79dB
• Input Impedance (switchable): 400kΩ (Low), 1.2MΩ (High)
Inserts (Channels 1-2)
• Connection: Balanced
• Maximum Output Level (send): +16dBu
• Maximum Input Level (return): +16dBu
Line Outputs
• Frequency Response: 20Hz-20kHz (±0.02dB)
• Dynamic Range (A-weighted): 125dB
• THD+N (minimum): -113dB (0.00023%)
• Maximum Output Level: +24dBu
Headphone Outputs
• Frequency Response: 20Hz-20kHz (±0.1dB)
• Dynamic Range: 114dB @ 33Ω, 116dB @ 300Ω, 116dB @ 600Ω
• THD+N: -102dB @ 33Ω, -110dB @ 300Ω, -110dB @ 600Ω
• Max Output Level: +8dBu @ 33Ω, +11dBu @ 300Ω, +11dBu @ 600Ω
• Max Output Power: 130mW @ 33Ω, 28mW @ 300Ω, 14mW @ 600Ω
• Output Impedance: 3Ω
Compatibility
• Windows: Intel, AMD, and Arm64 processors supported
• MacOS: Apple Silicon and Intel processors supported
• Linux: ISA C8X is UAC2 class compliant and should work on most Linux systems but this is not tested or supported
Dimensions
• Width: 482.6 mm (19.00 in)
• Depth: 292.8 mm (11.53 in)
• Height: 89 mm (3.50 in)
• Weight: 5.558 kg (12.26 lbs)
Power Requirements
• External: 40W
What’s in the Box?
• ISA C8X audio interface
• 1.5mm USB type C-to-C cable
• Region-specific IEC cable
• Rubber feet (x4)
