Focusrite Scarlett 18i16 4th Generation USB-C Audio Interface

The Focusrite Scarlett 18i16 4th Generation is a powerful 18-in/16-out USB-C audio interface designed to be the central hub of your home or professional studio. Featuring four ultra-low-noise Scarlett mic preamps with up to 69dB of gain, multiple line and instrument inputs, MIDI I/O, and extensive digital expandability via ADAT and S/PDIF, the 18i16 is ideal for producers managing multiple sources. It supports simultaneous multitrack recording and monitoring with crystal-clear 24-bit/192kHz resolution and a dynamic range up to 122dB—making it a studio essential.

Tailored for flexibility, the 18i16 includes powerful features like Auto Gain, Clip Safe, and dual Air modes (Presence and Harmonic Drive) to replicate big-console tones. Mix independently for headphones, monitors, and line outs—all remotely controlled through the Focusrite Control 2 desktop and mobile apps. Whether bus-powered via USB-C or with an external power supply, this interface adapts seamlessly to mobile or fixed setups. Bundled with the Hitmaker Expansion software suite and a 3-year warranty, the Scarlett 18i16 gives you all the tools to produce, mix, and release pro-quality tracks.

Key Features

• 18-In/16-Out USB-C audio interface with desktop form factor
• Four remote-controllable 4th Generation Scarlett mic preamps
• Hi-Z instrument inputs, MIDI I/O, and eight balanced line inputs
• Auto Gain and Clip Safe for automatic level management
• Two re-engineered Air modes: Presence and Harmonic Drive
• Independent headphone, monitor, and line out mixing
• Loopback functionality for streaming and podcasting
• Bus-powered (3A via USB-C) or optional external 15W power
• Focusrite Control 2 desktop and mobile app integration
• Includes Hitmaker Expansion software bundle

Technical Specifications

• Simultaneous I/O: 20 x 18 (including Loopback)
• Mic Preamps: 4 (69dB gain range, -127dBu EIN)
• Line Inputs: 8 total (4 variable, 4 fixed)
• Instrument Inputs: 2 Hi-Z (1MΩ impedance)
• Line Outputs: 4 balanced
• Headphone Outputs: 2 (independent, 57mW @ 33Ω)
• ADAT I/O: 1 In / 1 Out
• S/PDIF I/O: 1 In / 1 Out
• MIDI I/O: 1 In / 1 Out
• Converter Resolution: 24-bit / 192kHz
• Dynamic Range: 122dB (Line Out), 116dB (Mic In)
• Frequency Response: 20Hz – 20kHz ±0.02dB to ±0.1dB across all I/O
• THD+N: Down to -112dB (Line), -100dB (Mic), -80dB (Instrument)
• USB Protocol: USB 2.0 (via USB-C connector)
• Bus Powered: Yes (USB-C 3A)

What’s in the Box

• Scarlett 18i16 audio interface
• 1.5m USB-C to USB-C cable
• USB-C to USB-A adaptor
• External power supply