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Focusrite Scarlett 18i20 4th Gen USB Audio Interface

SKU: RE-00831

฿ 29,900

or pay just ฿ 2,990  per month at 0% interest

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In stock

Delivery information

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Delivery within Thailand

Bangkok metropolitan area

Delivery within 1 business day

Chiang Mai province
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Mae Hong Son province
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Wiang Kaen district 

Delivery within 2 business days

Remote areas
Islands

Delivery within 3 business days

All other destinations within Thailand

Delivery within 1 business day

*Shipping times apply if ordered before 12.00 noon (add 1 business day if ordered after 12.00 noon)

Returns policy

Your satisfaction is important to us. If you've changed your mind about your order, you may request a return within 15 days of receiving your order! If you wish to initiate a return, please contact our customer support team.

Please note that the product must be unopened/sealed, and some exclusions apply, for example on software. Please carefully read our full returns & refund policy.

Warranty coverage

Warranty included (3 years)

Most of our products come with a standard 1-year warranty covering manufacturer defects and electronic malfunctions under normal usage.

If a product is under warranty, we provide free repairs at our repairs centre for music equipment in Bangkok. If the product broke within 15 days after your purchase, we'll provide you with a brand new product.

If you wish to initiate a warranty claim, please contact our customer support team.

Additionally, you read our full warranty policy.

Payment & installments

Orders from 3000 THB are eligible for payment in up to 10 installments.

Installments are currently only supported for customers that use a Thai-issued creditcard from select Thai banks. 

You can select your preferred installment option during your payment.

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Key Highlights

Extensive I/O for Multitrack Recording: A large-format audio interface with 18 inputs and 20 outputs, all usable simultaneously. Perfect for full band recordings, large drum kits, or any project with multiple sound sources.
High-Quality Scarlett Mic Preamps with Air Mode: Equipped with 8 upgraded Scarlett mic preamps, featuring “Air” mode which emulates the classic Focusrite ISA sound for enhanced openness and brightness in vocals and instruments.
24-bit/192kHz High-Resolution Conversion: Provides professional-grade analog-to-digital and digital-to-analog conversion at up to 24-bit/192kHz resolution. Ensures your recordings and monitoring are crisp, detailed, and studio-ready.
Versatile and Flexible Connectivity: Includes 8 XLR/TRS combo inputs, 2 ADAT optical inputs (expandable up to 8 channels), S/PDIF, and MIDI I/O. Also features multiple TRS line outputs and two independent headphone outs for seamless studio integration.
Ultra-Low Latency and Comprehensive Software Bundle: With cutting-edge latency performance, your recording and monitoring will be smooth and delay-free. Comes bundled with essential software and plugins from Focusrite partners including Ableton Live Lite, Splice Sounds, and the Focusrite Red Plugin Suite.
Product Highlight Image

Focusrite Scarlett 18i20 (4th Gen): The All-In-One Pro Studio Interface

Looking for a pro-level audio interface that supports multi-track recording, expandable I/O, and next-gen features in 2025? The Scarlett 18i20 (4th Gen) is your complete solution!

This remastered model (The Original. Remastered.) includes hardware and software upgrades like 16-channel ADAT I/O, Multi-Channel Auto Gain, and new Monitor Grouping capabilities for easy speaker control.

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Pro-Level Sound Quality

  • 8 ultra-low-noise mic preamps — remotely controllable

  • 69dB gain range — supports a wide range of microphones

  • New Air Mode — enhances clarity and dimension for vocals and instruments

  • 24-bit/192kHz AD/DA conversion — same tech used in Focusrite’s RedNet series

  • 122dB dynamic range — captures every detail

Effortless Operation

  • Auto Gain & Clip Safe — auto-sets gain and prevents distortion

  • Built-in Talkback Mic — communicate with talent in the live room

  • Dual headphone outputs — ideal for producers and performers simultaneously

Connectivity for Every Studio

  • Expandable to 24 inputs / 28 outputs

  • 16-channel ADAT I/O (at 44.1/48kHz)

  • S/PDIF and MIDI I/O

  • Word Clock Out — sync with other studio gear

  • 2 Hi-Z inputs — for guitar and bass

  • 10 Line outputs — support for speakers and outboard gear

New For 2025

Expand ADAT I/O up to 16 channels.

  • Increases channel count from 8 inputs/outputs to 24 inputs and 28 outputs.

  • Supports 44.1/48kHz resolution.

  • Ideal for large-scale recording sessions, live performances, and complex system connections.

New Feature: Monitor Groups

  • Supports multi-speaker setups, such as 2.1 and 5.1 Surround.

  • Compatible with 16i16, 18i16, and 18i20 models.

Multi-Channel Auto Gain

  • Automatically set audio levels for multiple channels via the Focusrite Control 2 mobile app.

  • Reduces hassle and eliminates the need to move back and forth between your computer and the recording space.

Software update to unlock new features

  • Simply connect your Scarlett 18i20 to your computer and update Focusrite Control 2.

Focusrite has updated the software lineup included in the Hitmaker Expansion bundle, which comes free with Scarlett 3rd & 4th Gen, Clarett+, Clarett USB, and Red audio interfaces, to deliver even greater value and better meet the needs of professional music production.

Newly added software:

  • Celemony Melodyne Essential (the global standard for vocal tuning)

  • Softube Flow® Guitar Essentials (2 amp styles + 3 effects)


Melodyne Essential (Natural-Sounding Pitch Correction)

  • An industry-standard vocal tuning software, Grammy Award–winning, renowned for its natural and transparent sound

  • Allows detailed editing of pitch, timing, and note duration


Softube Flow® Guitar Essentials (Versatility & Flexibility)

  • Replaces the previous single-amp offering (Marshall) with a more flexible guitar toolkit

  • Includes 2 amp styles:

    • Pacific Dual Tremolo – clean, sparkling American-style tones

    • Custom 100W – aggressive, high-gain British-style tones

  • Comes with 3 effects (Drive, Distortion, Reverb) and a ready-to-use signal chain


Note:
Customers who have already installed and activated Antares Auto-Tune Access or Softube Marshall Silver Jubilee 2555 will retain access and can continue using them as usual.
The updated software bundle applies to products purchased and registered from October 30, 2025 onwards.

Who Is the Scarlett 18i20 (4th Gen) For?

✅ Professional producers – for full multitrack sessions
✅ Medium to large studios – scalable to 24-in/28-out
✅ Bands – record drums and instruments individually
✅ Sound designers & engineers – supports multi-speaker systems
✅ Streamers & podcasters – built-in talkback + dual headphone outs

Technical Specs

FeatureDescription
Mic Preamps8 (Remote Controllable)
Air ModeYes
Auto Gain & Clip SafeYes
ADAT I/O16 channels (44.1/48kHz) or 8 channels (96kHz)
SPDIF I/O1
MIDI I/O1
Talkback MicYes
LoopbackYes
Dynamic Range122dB
A/D Resolution24-bit/192kHz
USB ProtocolUSB 2.0 (Type-C)
Bus PoweredNo (Requires 30W Adapter)
Free next day delivery on orders above 500 THB*
Warranty protection for products
Pay in interest-free installments
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Warranty

Warranty included (3 years)

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Specifications

General specifications

Weight1.4 kg
Dimensions24 × 16 × 6 cm
BrandFocusrite
ColorBlack/Red
Warranty Period3 years
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Focusrite Scarlett 18i20 4th Gen USB Audio Interface

฿ 29,900

Free next day delivery on orders above 500 THB*
Warranty protection for products
Pay in interest-free installments
Always providing service with a smile