Focusrite Scarlett 18i20 4Gen - Interface Audio
The Focusrite Scarlett 18i20 4th Gen is a professional USB audio interface offering 26 inputs and outputs, 8 ultra-low-noise preamps, and support for ADAT, S/PDIF, and MIDI. With Auto Gain, Clip Safe, and Air modes, it’s a perfect solution for modern studio setups. Remotely controllable via Focusrite Control 2 and equipped with built-in talkback mic.
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Focusrite Scarlett 18i20 4th Gen – USB Audio Interface with 26 Inputs and Outputs
The Focusrite Scarlett 18i20 4th Gen is an advanced USB audio interface designed for professional sound engineers and demanding musicians. With a total of 26 inputs and 26 outputs, eight ultra-low-noise microphone preamps, and a complete set of analog and digital connections, it serves as the central hub for any modern studio.
Key Features
- 8 ultra-low-noise microphone preamps
- 2 front-panel instrument inputs
- Auto Gain and Clip Safe features
- ADAT, S/PDIF, MIDI, and Word Clock connectivity
- 10 line outputs including Alt Speaker Switching
- Remote control via the Focusrite Control 2 app
- 122dB dynamic range
- Built-in talkback microphone
Expanded functionality and complete control
The Scarlett 18i20 delivers more than just sound quality. Auto Gain and Clip Safe ensure input levels are set quickly and safely. Two Air modes – Presence and Harmonic Drive – add the warmth and clarity of classic studio consoles to your recordings.
Versatile applications in professional environments
Perfect for recording bands, live sessions, electronic music production, or complex outboard routing. Thanks to ADAT expandability, Scarlett supports up to 16 additional input/output channels at 44.1/48kHz and remains perfectly synced using Word Clock.
Detailed Technical Specifications
- Mic Inputs: 8
- Line Inputs: 8
- Instrument Inputs (Hi-Z): 2
- Line Outputs: 10
- Headphone Outputs: 2
- ADAT I/O: 2x (16 channels)
- S/PDIF: input/output
- MIDI: input/output
- USB-C, 24-bit / 192kHz
- Form Factor: Desktop / 1U Rackmount
Build and Materials
Encased in a durable metal chassis, the interface is ideal for studio environments. It can be rack-mounted or used on a desktop. With independent headphone amps, a talkback mic, and solid physical controls, it’s built for intensive professional use.
What's Included
- Focusrite Scarlett 18i20 audio interface
- Rack mount ears
- 1.5m USB-C to USB-C cable
- USB-C to USB-A adapter
- IEC power cable
Summary
If you need a versatile audio interface with top-tier audio quality, flexible routing, and a wide range of inputs/outputs, the Focusrite Scarlett 18i20 4th Gen is the right choice. It’s a powerful tool for serious studios – ready to perform from the very first session.
Product delivery details Focusrite Scarlett 18i20 4Gen - Interface Audio
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Focusrite Scarlett 18i20 4Gen - Interface Audio - Frequently asked questions.
Does the Scarlett 18i20 4th Gen feature Auto Gain?
Yes, it automatically sets gain levels for all eight microphone inputs.
Which Air modes are available?
Two modes: Presence and Harmonic Drive – each adds a unique character to your sound.
How many ADAT channels does it support?
Up to 16 channels at 44.1/48kHz or 8 channels at 96kHz.
Can the unit be rack-mounted?
Yes, it fits a standard 1U rack space and includes rack ears.
Can I control it remotely?
Yes, via the Focusrite Control 2 app for iOS and Android devices.
What software is included?
Ableton Live Lite, Pro Tools Intro+, and the Hitmaker Expansion plugin bundle.
What is the maximum sample rate?
Up to 192kHz at 24-bit resolution.
Does it include a talkback microphone?
Yes, a built-in mic allows for communication with artists during sessions.