Scarlett 4i4 is your complete compact studio interface, built for multi-instrumentalists, producers, and collaborators. With 4 line inputs, 2 ultra-low-noise mic preamps, MIDI I/O, and customizable headphone and monitor mixes, 4i4 handles everything from synths to guitars. Auto Gain, Clip Safe, and Air Mode ensure pro-level recordings every time, while the Hitmaker Expansion software bundle gives you everything you need to create, mix, and release studio-quality music.
At-a-Glance Highlights
- 
69dB mic gain range with 120dB dynamic output
 
- 
Auto Gain and Clip Safe for distortion-free tracking
 
- 
Air Mode adds clarity with Presence & Harmonic Drive
 
- 
6x6 USB-C I/O with MIDI, Loopback & 24-bit/192kHz resolution
 
- 
Independent mixes for headphones, monitors & line outs
 
- 
Includes full Hitmaker Expansion production software
 
Microphone Inputs
- 
Gain Range: 69dB
 
- 
Max Input Level: 16dBu
 
- 
EIN (Noise): -127dBu (A-weighted)
 
- 
Dynamic Range: 116dB (A-weighted)
 
- 
THD+N: -100dB @ 8dB gain
 
- 
Impedance: 3kΩ
 
- 
Frequency Response: 20Hz – 20kHz ± 0.06dB
 
Instrument Inputs
- 
Gain Range: 62dB
 
- 
Max Input Level: 12dBu
 
- 
Impedance: 1MΩ (ideal for guitar/bass)
 
- 
Dynamic Range: 113dB (A-weighted)
 
- 
THD+N: -80dB @ min gain
 
Line Inputs
- 
Variable Gain Inputs (x2):
 
- 
Max Input: 22dBu
 
- 
Dynamic Range: 115.5dB
 
- 
THD+N: -100dB
 
- 
Fixed Gain Inputs (x2):
 
- 
Max Input: 22dBu
 
- 
Dynamic Range: 115.5dB
 
- 
THD+N: -105dB
 
- 
Impedance: 60kΩ
 
Line Outputs (Balanced)
- 
Max Output Level: 16dBu
 
- 
Dynamic Range: 120dB
 
- 
THD+N: -112dB
 
- 
Impedance: 100Ω
 
- 
Frequency Response: ±0.02dB (flat)
 
Headphone Output
- 
Max Power:
 
- 
57mW into 33Ω
 
- 
27mW into 300Ω
 
- 
Max Output Level:
 
- 
Dynamic Range: 112–115dB (A-weighted)
 
- 
Impedance: 11Ω
 
- 
THD+N: -99 to -108dB
 
- 
Frequency Response: 20Hz–20kHz ± 0.1dB
 
Converters
- 
A/D Converter:
 
- 
THD+N: -115dB
 
- 
Dynamic Range: 130dB (A-weighted)
 
- 
D/A Converter:
 
- 
THD+N: -115dB
 
- 
Dynamic Range: 130dB (A-weighted)
 
Smart Features
- 
Air Mode: Adds clarity/brightness to vocals/instruments
 
- 
Auto Gain: Automatically sets optimal input gain
 
- 
Clip Safe: Protects recordings from clipping
 
- 
Loopback: Route system audio into DAW or stream
 
Power
- 
USB Bus-Powered: 1.5A (no wall plug needed, great for mobile use)
 
- 
Optional External Power: 7.5W
 
MIDI I/O
- 
Fully integrated DIN MIDI I/O ports