Focusrite Scarlett 4i4

​Overview

• Number of Microphone Preamps: 2
• Phantom Power: Yes
• Instrument Inputs: 2
• Line Inputs: 4
• Air Mode: Yes
• Auto Gain: Yes
• Clip Safe: Yes
• Line Outputs: 4
• Headphone Outputs: 1
• Loopback: Yes
• MIDI: Yes
• Connectivity: USB Type-C
• Protocol: USB 2.0
• Form Factor: Desktop
• Simultaneous I/O: 6 x 6 (including Loopback inputs)
• A/D Resolution: 24-bit/192 kHz
• Bus Powered: Yes (1.5A)

Dimensions

• Height: 60mm
• Width: 180mm
• Depth: 130mm
• Weight: 0.798kg

Supported sample rates

• 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz

Microphone inputs

• Frequency Response: 20-20kHz ± 0.06dB
• Dynamic Range: 116dB (A-Weighted)
• THD+N: -100dB @ 8dB gain
• Noise EIN: -127dBu (A-Weighted)
• Maximum Input Level: 16dBu
• Gain Range: 69dB
• Impedance: 3kΩ

Variable Line inputs

• Frequency Response: 20-20kHz ± 0.05dB
• Dynamic Range: 115.5dB (A-Weighted)
• THD+N: -100dB @ 8dB gain
• Maximum Input Level: 22dBu
• Gain Range: 69dB
• Impedance: 60kΩ

Fixed Line inputs

• Frequency Response: 20-20kHz ± 0.02dB
• Dynamic Range: 115.5dB (A-Weighted)
• THD+N: -105dB
• Maximum Input Level: 22dBu
• Impedance: 60kΩ

Instrument inputs

• Frequency Response: 20-20kHz ± 0.15dB
• Dynamic Range: 113dB (A-Weighted)
• THD+N: -80dB @ minimum gain
• Maximum Input Level: 12dBu
• Gain Range: 62dB
• Impedance: 1MΩ

Line outputs (Balanced)

• Frequency Response: 20-20kHz ± 0.02dB
• Dynamic Range: 120dB
• THD+N: -112dB
• Maximum Output Level: 16dBu
• Impedance: 100Ω

Headphone outputs

• Frequency Response: 20-20kHz ± 0.1dB @ 33Ω / 300Ω
• Dynamic Range
  • 112dB @ 33Ω
  • 115dB @ 300Ω
     
• THD+N
  • -99dB @ 33Ω
  • -108dB @ 300Ω
     
• Maximum Output Level
  • 5dBu into 33Ω
  • 11dBu into 300Ω
     
• Maximum Output Power
  • 57mW into 33Ω
  • 27mW into 300Ω
     
• Impedance: 11Ω

Analogue to Digital Converter

• THD+N: -110dB
• Dynamic Range: 120dB

Digital to Analogue Converter

• THD+N: -115dB
• Dynamic Range: 130dB (A-Weighted)

Power

• USB: 1.5A
• External (Optional): 7.5W