






Focusrite Scarlett 18i20 4th Gen 26-in, 26-out USB Audio Interface
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The Ultimate Studio Powerhouse for Uncompromising Engineers
The Focusrite Scarlett 18i20 4th Gen is a professional audio interface delivering 26-in, 26-out connectivity with RedNet-class converters and 122dB dynamic range. Eight remote-controlled mic preamps with +69dB gain, dual Air modes, and intelligent features like Auto Gain and Clip Safe make it ideal for tracking, mixing, and complex routing. Rack-mountable with extensive ADAT expansion, it's built for engineers and studios demanding serious I/O and uncompromising sound quality.
RedNet-Class Conversion and Massive Headroom
The 4th Generation Scarlett features upgraded AD/DA converters borrowed directly from Focusrite's flagship RedNet range, delivering a staggering 122dB dynamic range for professional depth and sonic detail. With +69dB of gain available on each of the eight remote-controlled preamps, you can capture the most delicate acoustic nuances or drive gain-hungry dynamic microphones like the Shure SM7B with absolute transparency and no added noise.
Intelligent Workflow with Auto Gain and Clip Safe
Focus on the performance instead of the meters with Scarlett’s suite of smart recording tools. Auto Gain can set perfect levels across all eight microphone inputs simultaneously in just ten seconds, while Clip Safe monitors your signal up to 96,000 times a second to automatically adjust gain if a peak occurs. This ensures you never lose a perfect take to digital distortion, making it the ideal partner for solo musicians and drummers.
Iconic Console Character with Dual Air Modes
Bring your tracks to the front of the mix using two distinct, re-engineered Air modes modelled after classic Focusrite studio consoles. Presence mode adds high-end shimmer and clarity to vocals and acoustic guitars, while the new Presence and Harmonic Drive mode injects rich mid-range harmonics to help hardware synths and guitars punch through dense arrangements.
Main features:
- Eight ultra-low-noise 4th Gen remote-controllable mic/line preamps
- Professional-grade AD/DA conversion with 122dB dynamic range
- Dual Air modes including Presence and Harmonic Drive for analogue warmth
- One-touch Auto Gain and Clip Safe for perfect levels every time
- Massive expandability with up to 16 additional channels of ADAT I/O
- Two custom-designed high-fidelity headphone amps for high-impedance monitoring
- Dedicated front-panel buttons for talkback and alt-speaker switching
- Focusrite Control 2 software for full remote management via desktop or mobile app
- Comprehensive Hitmaker Expansion software bundle included
- Rugged 1U rack-mountable chassis with detailed LED metering
Tech Specs:
- Simultaneous I/O: 26 x 26 channels
- Microphone Preamps: 8 x Remote-Controllable Preamps
- Analogue Inputs: 8 x XLR/TRS Combo (Rear Panel), 2 x TRS (Front Panel)
- Analogue Outputs: 10 x 1/4" Balanced TRS
- Digital Inputs: 2 x ADAT (up to 16 channels), 1 x S/PDIF Coaxial
- Digital Outputs: 2 x ADAT (up to 16 channels), 1 x S/PDIF Coaxial
- Headphone Outputs: 2 x 1/4" TRS (Independent level control)
- MIDI I/O: 5-pin DIN Input/Output
- Word Clock Sync: BNC Output
- Data Connectivity: USB 2.0 Protocol via Type-C Connector
- A/D Resolution: 24-bit / 192 kHz
- Dynamic Range (D-A): 122 dB (A-Weighted)
- Mic Pre Gain Range: 69 dB
- Mic Pre EIN: -127 dBu (A-Weighted)
- Frequency Response: 20Hz - 20kHz ± 0.06dB
- Max Input Level (Mic): 16 dBu
- Max Input Level (Line): 22 dBu
- Power Requirements: External 30W Power Supply (Included)
- Form Factor & Chassis: 1U Rack-mountable / Desktop configuration
- Dimensions (H x W x D): 46.55 x 442 x 259.73 mm
- Physical Weight: 3.304 kg
- Explore Focusrite Audio Solutions [Scarlett 18i20 4th Gen]: https://focusrite.com/products/scarlett-18i20



















