10 Best Audio Interfaces With ADAT Expansion in 2026 for Growing Home Studios

Written by: Editor In Chief
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If you need more channels without replacing your whole setup, an audio interface with ADAT expansion is one of the smartest upgrades you can make. It lets you start small and add inputs later as your studio grows.

In this roundup, we focused on interfaces and expansion options that make multitrack recording, larger drum sessions, and future-proof studio builds easier to manage.

Best 10 Audio Interface with Adat Expansion Picks for 2026

Multi-Input Recording Hub

Behringer UMC1820 18x20 USB Interface with ADAT

Behringer UMC1820 18x20 USB Interface with ADAT
  • 18x20 USB audio/MIDI interface
  • Eight MIDAS-designed mic preamps
  • ADAT I/O for system expansion

Best For: Large home studios needing lots of inputs and ADAT expandability

ADAT Expansion Preamp

Behringer ADA8200 8-Channel ADAT Preamp

Behringer ADA8200 8-Channel ADAT Preamp
  • 8-channel mic preamp and AD/DA converter
  • ADAT optical out for expansion
  • Midas preamps for added inputs

Best For: Users expanding an existing ADAT recording rig

Modern Studio Centerpiece

Focusrite Scarlett 18i16 4th Gen USB-C Interface

Focusrite Scarlett 18i16 4th Gen USB-C Interface
  • 18-in/16-out with ADAT and S/PDIF
  • 24-bit/192 kHz conversion with 122 dB range
  • Auto Gain and Clip Safe for easier tracking

Best For: Producers wanting a flexible USB-C interface with expansion

Portable Starter Interface

M-AUDIO M-Track Duo 2-Channel Interface

M-AUDIO M-Track Duo 2-Channel Interface
  • Two combo XLR/line/instrument inputs
  • Zero-latency monitoring with USB/Direct switch
  • Includes MPC Beats software

Best For: Beginners needing a simple portable interface

Versatile 16-Channel Pick

Focusrite Scarlett 16i16 4th Gen USB-C Audio Interface

Focusrite Scarlett 16i16 4th Gen USB-C Audio Interface
  • 16-in/16-out design with ADAT, S/PDIF, and MIDI I/O
  • 4th Gen preamps with 69dB gain and 24-bit/192kHz conversion
  • Auto Gain, Clip Safe, and Air modes streamline recording

Best For: Producers who want a compact audio interface with ADAT expansion and flexible routing

Portable Starter Choice

M-AUDIO M-Track Duo HD USB-C Audio Interface

M-AUDIO M-Track Duo HD USB-C Audio Interface
  • 2-in/2-out interface with two combo inputs and headphone control
  • 24-bit/192kHz conversion with zero-latency monitoring
  • Works with Mac, PC, iOS, Android, and includes software bundle

Best For: Beginners and podcasters who need a compact USB-C interface

Studio Expansion Leader

Focusrite Scarlett 18i20 4th Gen USB-C Audio Interface

Focusrite Scarlett 18i20 4th Gen USB-C Audio Interface
  • 18-in/20-out interface with eight mic preamps and dual ADAT
  • Word Clock, S/PDIF, and MIDI I/O support larger studio rigs
  • 4th Gen 24-bit/192kHz conversion with Auto Gain and Clip Safe

Best For: Bands and studios that need high channel count plus ADAT expansion

Studio-Grade Upgrade

Focusrite Clarett+ 2Pre 10-In/4-Out USB-C Audio Interface

Focusrite Clarett+ 2Pre 10-In/4-Out USB-C Audio Interface
  • Two Clarett+ preamps with low-noise, high-headroom recording
  • ADAT optical input expands with eight channels of digital gear
  • Improved converters and strong headphone output

Best For: Home studios that want clean recording and future expansion

Budget Starter

Focusrite Scarlett Solo 3rd Gen USB-C Audio Interface

Focusrite Scarlett Solo 3rd Gen USB-C Audio Interface
  • Simple 2-channel interface for vocals and guitar
  • Air mode and 24-bit/192kHz recording
  • Includes software and plugin bundle

Best For: Solo creators who do not need ADAT expansion

Modern Songwriter Pick

Focusrite Scarlett Solo 4th Gen USB-C Audio Interface

Focusrite Scarlett Solo 4th Gen USB-C Audio Interface
  • 120dB dynamic range with Focusrite flagship converters
  • Improved Air mode for vocal and guitar presence
  • Compact 2-input design with software bundle

Best For: Songwriters who want a small, polished interface

Multi-Input Recording Hub – Behringer UMC1820 18×20 USB Interface with ADAT

If you need an audio interface with adat expansion for a larger project studio, the Behringer UMC1820 gives you a lot of I/O in one USB 2.0 box. It streams 18 inputs and 20 outputs at up to 24-bit/96 kHz, and the built-in ADAT I/O makes it easy to expand your setup as your mic count grows. The eight MIDAS-designed mic preamps add flexibility for recording microphones and instruments, while MIDI support keeps it useful in more complex rigs.

Best For: Home and project studios that want lots of inputs, ADAT expansion, and MIDI in a single interface.

Pros:

  • 18 inputs and 20 outputs for larger recording setups
  • ADAT I/O supports expansion with external digital gear
  • Eight MIDAS-designed mic preamps with 48V phantom power
  • 24-bit/96 kHz resolution for detailed recording

Cons:

  • Uses USB 2.0 rather than newer USB-C connectivity
  • Max sample rate is 96 kHz, below some newer interfaces

This is a practical pick when you want high channel count and expansion room without moving into a more expensive studio interface tier.

ADAT Expansion Preamp – Behringer ADA8200 8-Channel ADAT Preamp

The Behringer ADA8200 is a straightforward audio interface with adat expansion designed to add eight microphone preamps to an existing setup. It works as an 8-channel microphone preamp and 24-bit AD/DA converter with ADAT optical out, making it useful when your main interface needs more inputs. With Midas mic preamps and simple wired connectivity, it fits neatly into expanding recording rigs.

Best For: Studios that already have an ADAT-equipped interface and need more mic inputs.

Pros:

  • 8-channel microphone preamp for adding more inputs
  • ADAT optical out for expansion into compatible systems
  • 24-bit converter for digital integration
  • Midas mic preamps for microphone recording

Cons:

  • Limited to 44.1/48 kHz operation
  • Not a standalone full-featured USB interface

For expanding an existing digital setup, this unit is best viewed as a focused input expander rather than an all-in-one recording interface.

Modern Studio Centerpiece – Focusrite Scarlett 18i16 4th Gen USB-C Interface

If you want an audio interface with adat expansion plus modern workflow tools, the Focusrite Scarlett 18i16 4th Gen is built for that kind of studio role. It offers 18 inputs and 16 outputs, including four mic preamps, ADAT, S/PDIF, and MIDI I/O, along with 24-bit/192 kHz converters and 122 dB dynamic range. Features like Auto Gain and Clip Safe also make it easier to capture clean takes quickly.

Best For: Producers who want a versatile USB-C interface with ADAT, strong conversion, and smart gain tools.

Pros:

  • 18 inputs and 16 outputs with ADAT, S/PDIF, and MIDI
  • 24-bit/192 kHz converters with 122 dB dynamic range
  • Auto Gain and Clip Safe help simplify recording levels
  • Includes software such as Pro Tools Intro+, Ableton Live Lite, and Cubase LE

Cons:

  • Only four mic preamps on the unit itself
  • Best value comes when you actually use the expansion options

This is a strong choice if you want one interface that can grow with your studio while still offering polished day-to-day recording features.

Portable Starter Interface – M-AUDIO M-Track Duo 2-Channel Interface

The M-AUDIO M-Track Duo is a compact audio interface for basic recording, streaming, and podcasting, but it does not offer ADAT expansion. It provides two combo XLR/line/instrument inputs, 48 kHz resolution, and zero-latency monitoring through a USB/Direct switch. For simple mobile setups, it keeps the signal path easy to manage and includes the MPC Beats software package.

Best For: Beginners and creators who need a simple 2-channel interface for podcasts, vocals, or guitar.

Pros:

  • Two combo XLR/line/instrument inputs with phantom power
  • USB/Direct monitoring switch for zero-latency monitoring
  • Portable design for recording and live streaming
  • Includes MPC Beats software

Cons:

  • No ADAT I/O or expansion capability
  • Max sample rate is 48 kHz

This is a good entry-level interface for straightforward recording jobs, but it is not the right pick if ADAT expansion is a requirement.

Versatile 16-Channel Pick – Focusrite Scarlett 16i16 4th Gen USB-C Audio Interface

If you want an audio interface with adat expansion that can grow with a small studio, the Scarlett 16i16 is built for exactly that kind of setup. It combines 16 inputs and 16 outputs with two mic preamps, Hi-Z inputs, line inputs, ADAT, S/PDIF, and MIDI I/O, so it covers both everyday tracking and future expansion.

Best For: Producers and home studios that need flexible connectivity, ADAT expandability, and a straightforward USB-C workflow.

Pros:

  • 16-in/16-out layout with ADAT, S/PDIF, and MIDI I/O for flexible routing
  • 4th Gen preamps offer up to 69dB of gain and 24-bit/192kHz conversion
  • Auto Gain and Clip Safe help speed up setup and reduce clipping risk
  • Air modes add presence and harmonic drive for vocals and instruments

Cons:

  • Only two mic preamps on the unit itself, so bigger sessions rely on expansion
  • Best value depends on whether you actually need the extra I/O and ADAT

The 16i16 makes sense if you need a compact interface now but want room to expand later. It offers the kind of feature set that fits a growing studio without jumping straight to a full rack setup.

Portable Starter Choice – M-AUDIO M-Track Duo HD USB-C Audio Interface

The M-Track Duo HD is a simple USB-C interface for creators who want clean recording without a complicated setup. It is not an audio interface with adat expansion, but it does cover the basics well with two combo inputs, independent headphone control, and 24-bit/192kHz conversion for podcasts, home recording, and streaming.

Best For: Beginners, podcasters, and mobile creators who need a compact 2-in/2-out interface for everyday use.

Pros:

  • Two combo inputs handle mic, guitar, bass, or line-level sources
  • 24-bit/192kHz resolution and zero-latency monitoring support clean capture
  • Works with Mac, PC, iOS, and Android devices
  • Includes Ableton Live Lite, MPC Beats, and a 2-month Splice trial

Cons:

  • No ADAT or other expansion options for larger studio setups
  • Only 2-in/2-out, so it is not meant for multi-input tracking sessions

This is a practical entry-level pick if you want a lightweight interface for content creation or simple music recording. It keeps the feature set focused, which makes it easy to use but limits future expansion.

Studio Expansion Leader – Focusrite Scarlett 18i20 4th Gen USB-C Audio Interface

If you are shopping for an audio interface with adat expansion for a larger setup, the Scarlett 18i20 is the most expandable option in this group. It offers 18 inputs and 20 outputs, eight mic preamps, dual ADAT, S/PDIF, MIDI I/O, and Word Clock, making it a strong hub for multi-mic recording and outboard expansion.

Best For: Bands, project studios, and engineers who need high-channel-count recording with extensive digital expansion.

Pros:

  • 18-in/20-out design with eight mic preamps and dual ADAT
  • Word Clock, S/PDIF, and MIDI I/O add serious studio connectivity
  • 4th Gen preamps provide up to 69dB of gain with 24-bit/192kHz conversion
  • Auto Gain and Clip Safe help manage levels during demanding sessions

Cons:

  • Larger desktop footprint than smaller interfaces
  • More interface than a simple solo or podcast setup needs

The 18i20 stands out when your sessions are likely to grow beyond the built-in preamps. Its dual ADAT support and broad I/O count make it the most future-ready choice here for expanding a studio around one interface.

Studio-Grade Upgrade – Focusrite Clarett+ 2Pre 10-In/4-Out USB-C Audio Interface

If you want an audio interface with ADAT expansion that can grow with your setup, the Clarett+ 2Pre is a strong compact option. It gives you two Clarett+ preamps, improved converters, and a dedicated ADAT optical input so you can add eight channels of compatible outboard gear when your studio needs more I/O.

Best For: Home and project studios that want clean mic preamps now and ADAT expansion later.

Pros:

  • Two Clarett+ preamps with low distortion, low noise, and lots of headroom
  • ADAT optical input adds eight channels of digital expandability
  • Improved A-D and D-A converters for more accurate recording and playback
  • Powerful headphone output and JFET instrument inputs for flexible tracking

Cons:

  • Only two analog preamps built in, so larger sessions still need expansion
  • Bus power requires a 15W USB-C port

This is a practical pick if you want solid core recording quality today with a clear upgrade path through ADAT-compatible hardware. It fits well in a serious small studio without feeling limiting too soon.

Budget Starter – Focusrite Scarlett Solo 3rd Gen USB-C Audio Interface

The Scarlett Solo 3rd Gen is not an audio interface with ADAT expansion, but it does make sense for simple mic-and-guitar recording when you only need a compact setup. It focuses on straightforward recording with a bright-sounding preamp, an Air mode, and easy monitoring for solo creators.

Best For: Solo musicians and podcasters who want a simple, low-cost interface without expansion needs.

Pros:

  • High-performing mic preamp with switchable Air mode for added clarity
  • Two high-headroom instrument inputs for guitar or bass
  • 24-bit/192kHz recording with low-noise balanced outputs
  • Includes recording software and plugin bundle to get started quickly

Cons:

  • No ADAT input or digital expansion options
  • Limited to a very small channel count for larger recording sessions

If you only need a simple interface for vocals and instruments, this model keeps things easy and affordable. It is best viewed as an entry-level recorder rather than a system you can expand later.

Modern Songwriter Pick – Focusrite Scarlett Solo 4th Gen USB-C Audio Interface

The Scarlett Solo 4th Gen is a strong fit if you want a modern compact interface and do not need an audio interface with ADAT expansion. It updates the Solo formula with a huge 120dB dynamic range, improved Air mode, and the same converters used in Focusrite’s flagship interfaces.

Best For: Songwriters and home recordists who want a polished compact interface for mic and guitar tracking.

Pros:

  • 120dB dynamic range for cleaner, more studio-like recording
  • Improved Air mode adds presence and harmonic drive
  • Uses the same converters as Focusrite’s flagship interfaces
  • Includes Pro Tools Intro+, Ableton Live Lite, Cubase LE, and Hitmaker Expansion

Cons:

  • No ADAT input or expansion path
  • Only one mic preamp and one instrument input

This is a better choice for polished solo recording than for building an expandable studio. If your workflow stays compact, it offers a modern sound and a generous software bundle.

How We Picked the Best Audio Interface with Adat Expansion

We looked for models that offer practical ADAT support, reliable USB-C or USB connectivity, solid driver performance, and enough I/O to serve both beginners and expanding studios. We also favored units with strong preamps, good monitoring options, and clear upgrade paths.

Quick Comparison

If you want the simplest path to more channels, compare the number of analog inputs, ADAT input and output support, and whether the unit can act as the main interface or an expansion preamp. Larger interfaces are better for tracking bands, while smaller models work well as a starter interface that can grow later.

Key Buying Factors for an Audio Interface with Adat Expansion

ADAT Channel Count and Sample-Rate Limits

Most ADAT ports deliver up to eight channels at 44.1/48 kHz, but that count drops at higher sample rates. If you plan to record full drum kits or larger ensembles, check how many channels remain available at 88.2 or 96 kHz.

Analog Inputs and Future Growth

Audio interfaces with ADAT expansion are best when the built-in analog inputs cover your current needs and the ADAT port covers tomorrow’s. That way, you are not forced to replace the interface just to add a few microphones.

Preamps, Monitoring, and Workflow

Clean gain, low latency monitoring, and direct monitoring controls matter more than flashy features. If you record vocals, guitars, or live instruments frequently, smooth headphone mixes and dependable routing will save time every session.

Compatibility and Software Support

Make sure the interface works with your computer, DAW, and operating system. Drivers and control software should be easy to install and stable enough for regular recording use.

Who Should Buy Which Audio Interface with Adat Expansion?

Choose a larger multi-input interface if you want an all-in-one tracking solution for bands, drums, or podcasts with multiple guests. Pick a smaller interface if you are building a compact setup now and plan to add an ADAT preamp or converter later. Budget buyers should focus on basic expansion and dependable performance, while users who value better conversion and monitoring should look at higher-end models with stronger feature sets.

In short, the right Audio Interface with Adat Expansion should match both your current recording setup and the number of channels you expect to need next year, not just today.