





Focusrite Scarlett 18i20 (4th Gen) - 26-In/26-Out USB-C Audio Interface
- - 26-in/26-out USB-C audio interface
- - Eight mic preamps with 69dB gain
- - ADAT, S/PDIF, MIDI and Word Clock I/O
- - 10 line outputs, two headphone outputs
- - Desktop or 1U rack mount with ears
Accessories and Warranties

Focusrite Scarlett 18i20 (4th Gen) - 26-In/26-Out USB-C Audio Interface
Product Details
Product Features
The Focusrite Scarlett 18i20 (4th Gen) is a 26-in, 26-out USB-C audio interface for engineers and producers who need to record full bands, drum kits or multiple sources at once. It combines eight remote-controllable mic preamps with line, instrument, ADAT, S/PDIF and MIDI connections in a desktop or 1U rack-mountable chassis.
Two independent headphone outputs, a built-in talkback mic and 10 line outputs with alternate speaker switching make it suited to studio control-room setups, and it is configured through the Focusrite Control 2 desktop and mobile apps.
Key Features:
- Eight mic/line preamps with 69dB gain range and independent phantom power
- Two front-panel instrument inputs
- Auto Gain, Clip Safe and two Air modes (Presence and Presence with Harmonic Drive)
- 10 line outputs including alternate speaker switching
- Up to 16 channels of ADAT I/O, plus S/PDIF, MIDI and Word Clock
- 122dB dynamic range on the line outputs
- Two independent headphone outputs and built-in talkback mic
- Desktop or 1U rack mount, rack ears included
Product Specifications
Focusrite Scarlett 18i20 (4th Gen) — 26-In/26-Out USB-C Audio Interface
- Simultaneous I/O: 26 × 26
- Mic Preamps: 8, independent phantom power
- Instrument / Line Inputs: 2 / 8
- Line Outputs: 10 balanced
- Headphone Outputs: 2
- ADAT I/O: 2 in / 2 out (16 channels at 44.1/48kHz; up to 8 channels at 96kHz)
- S/PDIF / MIDI: 1 in, 1 out each
- Mic Input Gain Range: 69dB
- Mic Input EIN: -127dBu (A-weighted)
- Line Output Dynamic Range: 122dB (A-weighted)
- Sample Rates / Resolution: 44.1–192kHz (44.1, 48, 88.2, 96, 176.4, 192kHz), 24-bit
- Features: Auto Gain, Clip Safe, Air mode, Talkback, Loopback
- Connectivity: USB 2.0 Type-C
- Power: External power supply, 30W (not bus powered)
- Form Factor: Desktop / rack mountable (1U)
- Dimensions (W × D × H): 442 × 259.73 × 46.55mm (17.40″ × 10.23″ × 1.83″)
- Weight: 3.304kg (7.28lb)
- MPN: AMS-SCARLETT-18I20-4G · UPC: 815301001522
What's included
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