
Focusrite AMS-SCARLETT-18I20-4G Scarlett 18i20 USB Audio Interface
Pro-Grade Audio Interface for Studios and ProducersThe Focusrite Scarlett 18i20 4th Gen USB Audio Interface is designed for high-fidelity multitrack recording, music production, and podcasting. Featuring professional-grade converters and versatile connectivity, this interface is ideal for project...
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Pro-Grade Audio Interface for Studios and Producers
The Focusrite Scarlett 18i20 4th Gen USB Audio Interface is designed for high-fidelity multitrack recording, music production, and podcasting. Featuring professional-grade converters and versatile connectivity, this interface is ideal for project and professional studios.
Specifications:
- Brand: Focusrite
- Model: AMS-SCARLETT-18I20-4G
- Inputs: 18 (including 8 mic preamps, Hi-Z, line inputs, ADAT, S/PDIF, MIDI I/O, and Word Clock)
- Outputs: 20
- Preamps: 4th Generation (69dB of gain)
- Converters: 24-bit, 192kHz
- Dynamic Range: 122dB
- Connectivity: USB
- Software: Pro Tools Artist, Ableton Live Lite, FL Studio Producer Edition, Hitmaker Expansion
Key Features
The engineer’s interface: Scarlett 18i20 features 18 inputs and 20 outputs, including eight mic preamps, Hi-Z, line inputs, ADAT, S/PDIF, MIDI I/O, and Word Clock
Capture everything: The 4th Generation preamps provide 69dB of gain, with two Hi-Z inputs and eight line inputs for versatile connectivity
Audio quality beyond its class: Equipped with 24-bit, 192kHz converters from our flapship RedNet range, offering a 122dB dynamic range for detailed recordings
Big-studio sound: Air modes add presence and harmonic drive to your sound, replicating the character of classic studio consoles for vocals and instruments
Professional workflow tools: Auto Gain sets optimal levels quickly, while Clip Safe prevents clipping by monitoring and adjusting gain in real-time
Everything in the box: Includes Pro Tools Intro+, Ableton Live Lite, Cubase LE, and Hitmaker Expansion: a suite of essential effects, powerful software instruments, and easy-to-use mastering tools.
Specifications
Pros & Cons
👍 Pros
- Offers extensive connectivity with 18 inputs and 20 outputs, including eight mic preamps and various digital options.
- The 4th Generation preamps provide a substantial 69dB of gain, suitable for a wide range of microphones.
- Achieves high-fidelity audio with 24-bit, 192kHz converters derived from the flagship RedNet range, boasting a 122dB dynamic range.
- Includes Air modes that emulate classic studio console characteristics, adding presence and harmonic drive to recordings.
- Features professional workflow tools like Auto Gain for quick level setting and Clip Safe to prevent audio clipping in real-time.
- Comes with a comprehensive software bundle including Pro Tools Intro+, Ableton Live Lite, Cubase LE, and the Hitmaker Expansion suite.
👎 Cons
- With 18 inputs and 20 outputs, the extensive connectivity might be more than what an entry-level user requires, potentially leading to unused features.
- The advanced features such as ADAT, S/PDIF, MIDI I/O, and Word Clock may require specific external equipment to be fully utilized.
- The "engineer's interface" description suggests a learning curve that might be steep for those new to audio production.
- Despite the included software, users may still need to invest in full versions or additional plugins for more advanced production needs.
- The 122dB dynamic range, while impressive, might not be fully appreciated without high-quality monitoring equipment.