Matt's Gearspace

Audio Interfaces

Focusrite Scarlett 18i20 4th GenvsFocusrite Scarlett 4i4 4th Gen

Summary

Focusrite Scarlett 18i20 4th Gen and Focusrite Scarlett 4i4 4th Gen: 2 Focusrite audio interfaces compared side by side. They differ on 10 of 15 compared specifications.

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2 items

Focusrite

Scarlett 18i20 4th Gen
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Focusrite

Scarlett 4i4 4th Gen
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General
ManufacturerFocusriteFocusrite
StatusCurrentCurrent
Released20242023
Inputs & outputs
Mic preamps82
Analogue inputs84
Analogue outputs104
Channels (in / out)18 in / 20 out4 in / 4 out
Headphone outputs2 (independent)1
Digital I/OADAT in/out ×2, S/PDIF in/out, Word clock—
Connection & power
MIDI5-pin DIN5-pin DIN
ConnectionUSB-C (USB 2.0)USB-C (USB 2.0)
Resolution24-bit / 192 kHz24-bit / 192 kHz
Bus-poweredNoYes
Features
LoopbackYesYes
FeaturesAir mode, Auto Gain, Clip Safe, Talkback mic, Alt speaker switching, Rack-mountable (1U)Air mode, Auto Gain, Clip Safe
Bundled softwareAbleton Live Lite, Pro Tools Intro+, Cubase LE and the Hitmaker Expansion (Melodyne Essential, Addictive Keys, Addictive Drums 2, Softube amps and more)Ableton Live Lite, Pro Tools Intro+, Cubase LE and the Hitmaker Expansion (Melodyne Essential, Addictive Keys, Addictive Drums 2, Softube amps and more)
Size & weight
Dimensions (W × D × H)442 × 259.73 × 46.55 mm180 × 130 × 60 mm
Weight3.3 kg0.8 kg

Key differences

  • Mic preamps: Scarlett 18i20 4th Gen – 8 Scarlett 4i4 4th Gen – 2
  • Analogue inputs: Scarlett 18i20 4th Gen – 8 Scarlett 4i4 4th Gen – 4
  • Bus-powered: Scarlett 18i20 4th Gen – No Scarlett 4i4 4th Gen – Yes
  • Released: Scarlett 18i20 4th Gen – 2024 Scarlett 4i4 4th Gen – 2023
  • Analogue outputs: Scarlett 18i20 4th Gen – 10 Scarlett 4i4 4th Gen – 4
  • Channels (in / out): Scarlett 18i20 4th Gen – 18 in / 20 out Scarlett 4i4 4th Gen – 4 in / 4 out

Both are the same on MIDI (5-pin DIN).