Focusrite 4i4 4th Gen USB Audio Interface is perfect for all your multi-instrumental and collaborative needs. It has two of Focusrite’s most detailed ultra-low-noise mic preamps, High-Impedance (Hi-Z), line and MIDI connections. With 4i4, you get dedicated headphones, monitors, and line outputs with individual mix control, providing full flexibility to tailor to any session.
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/O6 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
Compatibility
- WindowsIntel, AMD, and Arm64 processors supported
- macOSApple Silicon and Intel processors supported
What’s in the box
- Scarlett 4i4 audio interface
- 1m USB-C to USB-C cable
- USB-C to USB-A adaptor
- External power supply












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