10 Best Audio Interfaces With ADAT Expansion in 2026

Written by: Editor In Chief
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Looking for an audio interface with ADAT expansion that can grow with your studio? The right model gives you clean conversion, low-latency recording, and room to add more inputs later.

Below, we’ve rounded up 10 strong options for musicians, podcasters, and producers who want a simple setup now and more flexibility down the road.

Best 10 Audio Interface with Adat Expansion Picks for 2026

Premium Expansion Choice

Focusrite Clarett+ 8Pre USB-C Audio Interface

Focusrite Clarett+ 8Pre USB-C Audio Interface
  • 8 Clarett+ preamps with Air mode
  • ADAT optical input adds 8 channels
  • 24-bit/192kHz converters and dual headphone outs

Best For: Studios needing clean preamps and ADAT expansion

Budget Expansion Add-On

Behringer ADA8200 8-Channel ADAT Preamp

Behringer ADA8200 8-Channel ADAT Preamp
  • Adds 8 mic preamps over ADAT
  • Uses Midas preamps for input capture
  • Best as an expansion unit, not a main interface

Best For: Adding eight mic inputs to an ADAT-capable interface

Best All-In-One Studio Choice

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

Focusrite Scarlett 18i20 4th Gen USB-C Audio Interface
  • 18-in/20-out design with 8 mic preamps
  • Dual ADAT, S/PDIF, MIDI, and word clock
  • Auto Gain and Clip Safe support workflow

Best For: Large studio setups that need strong digital expansion

Portable Starter Pick

Compact USB-C 2x2 Audio Interface

Compact USB-C 2x2 Audio Interface
  • Plug-and-play USB-C with bus power
  • 24-bit/192kHz converters and direct monitoring
  • Two combo inputs with phantom power

Best For: Solo recording when ADAT expansion is not needed

Expandable Studio Hub

Scarlett 16i16 4th Gen

Scarlett 16i16 4th Gen
  • 16 inputs and 16 outputs with ADAT, S/PDIF, and MIDI I/O
  • 4th Gen preamps with 69dB gain and 24-bit/192kHz conversion
  • Auto Gain and Clip Safe for faster, safer recording

Best For: Producers who want a compact interface that can expand with ADAT

Starter Two-Channel Pick

M-Track Duo USB

M-Track Duo USB
  • Two combo XLR/line/instrument inputs with phantom power
  • 48kHz audio and zero-latency monitoring
  • Portable design with included MPC Beats software

Best For: Beginners recording vocals, guitar, or podcasts in a compact setup

High-Channel Expansion Choice

Scarlett 18i16 4th Gen

Scarlett 18i16 4th Gen
  • 18 inputs and 16 outputs with four mic preamps
  • ADAT, S/PDIF, and MIDI I/O for expanded connectivity
  • 69dB gain, 24-bit/192kHz conversion, Auto Gain, and Clip Safe

Best For: Larger recording setups that want more inputs plus ADAT expansion

Premium Modular Studio Interface

Fender Quantum HD 8

Fender Quantum HD 8
  • 26x30 USB-C interface with ADAT expansion and S/PDIF I/O
  • 32-bit/192 kHz converters with MAX-HD mic preamps
  • Auto gain, loopback, DSP mixer, and re-amp outputs

Best For: Growing studios that need scalable I/O and modern workflow tools

Portable Beginner Interface

Scarlett Solo 4th Gen

Scarlett Solo 4th Gen
  • Compact USB-C interface with 1 XLR mic preamp and 1 Hi-Z input
  • 24-bit/192 kHz recording with 120 dB dynamic range
  • Air mode plus included recording software and plugins

Best For: Solo artists who want a simple, portable recording setup

Budget Solo Recording Interface

Scarlett Solo 3rd Gen

Scarlett Solo 3rd Gen
  • Simple 2-channel USB-C interface with one mic and one instrument input
  • 24-bit/192 kHz converters plus Air mode for clearer recordings
  • Includes Pro Tools Intro+, Ableton Live Lite, Cubase LE, and plugins

Best For: Entry-level users who want a straightforward recording interface

Premium Expansion Choice – Focusrite Clarett+ 8Pre USB-C Audio Interface

If you need an audio interface with adat expansion that can anchor a serious recording setup, the Focusrite Clarett+ 8Pre is built for exactly that role. Its eight Clarett+ preamps, improved converters, and ADAT optical input make it a strong choice for multi-mic sessions and future system growth.

Best For: Project and home studios that want high-quality preamps plus ADAT expansion for more inputs.

Pros:

  • Eight Clarett+ mic preamps with low noise, low distortion, and lots of headroom
  • ADAT optical input adds eight channels of digital expandability
  • Improved A-D and D-A converters support 24-bit/192kHz recording and mixing
  • Two transparent headphone outputs help with monitoring during sessions

Cons:

  • Needs ADAT-compatible gear to take full advantage of expansion
  • More interface than you need if you’re only tracking one or two sources

This is a practical pick if you want strong native I/O now and the option to scale later. The Focusrite Control software and included plug-ins add value, but the main appeal is the combination of clean preamps and real expansion headroom.

Budget Expansion Add-On – Behringer ADA8200 8-Channel ADAT Preamp

The Behringer ADA8200 is a straightforward audio interface with adat expansion for rigs that need more microphone inputs without replacing the main interface. It adds eight Midas preamps over ADAT, making it a simple way to grow an existing setup.

Best For: Expanding an ADAT-equipped interface with eight extra mic inputs on a budget.

Pros:

  • Eight-channel ADAT lightpipe preamp expander
  • Midas preamps provide the core microphone front end
  • Simple wired setup for PC-based recording systems
  • Compact way to add more inputs to an existing interface

Cons:

  • Max sample rate is limited to 48kHz
  • Works as an expander, not a full-featured standalone interface

If your current interface already has ADAT input, this is one of the most direct ways to add eight more mic channels. It focuses on expansion first, so it makes the most sense as a low-cost studio add-on rather than a centerpiece.

Best All-In-One Studio Choice – Focusrite Scarlett 18i20 4th Gen USB-C Audio Interface

For buyers looking for an audio interface with adat expansion and a full studio feature set, the Focusrite Scarlett 18i20 4th Gen is a strong all-in-one option. It combines eight mic preamps, dual ADAT, S/PDIF, MIDI I/O, and Word Clock, so it can serve as the center of a larger recording rig.

Best For: Engineers and producers who want a high-input interface with robust digital expansion and workflow tools.

Pros:

  • 18 inputs and 20 outputs with eight mic preamps
  • Dual ADAT plus S/PDIF, MIDI I/O, and Word Clock for flexible expansion
  • 24-bit/192kHz converters with 122dB dynamic range
  • Auto Gain and Clip Safe simplify fast setup and level control

Cons:

  • More complex than a simple 2-in/2-out interface
  • Designed for larger setups, so it may be overkill for basic home tracking

This model stands out because it blends expansion-friendly connectivity with modern workflow features. If you need plenty of native I/O today and room to grow later, it offers one of the most complete packages here.

Portable Starter Pick – Compact USB-C 2×2 Audio Interface

This compact 2×2 unit is not an audio interface with adat expansion, but it is a practical option if your priority is simple, high-fidelity recording on Mac, PC, or iOS. Its plug-and-play USB-C design, 24-bit/192kHz converters, and zero-latency monitoring make it easy to get started quickly.

Best For: Solo creators who want a small, bus-powered interface for vocals, guitar, or basic desktop recording.

Pros:

  • Class-compliant USB-C setup with no drivers required
  • 24-bit/192kHz recording for clean, high-resolution audio
  • Two combo inputs with phantom power support
  • Direct monitoring and 3.5mm headphone output for easy tracking

Cons:

  • No ADAT expansion or digital growth options
  • Only two channels, so it is not built for larger sessions

This is the simplest choice in the group, aimed at portability rather than expansion. If you need a lightweight interface for one or two sources and do not require ADAT, it covers the essentials well.

Expandable Studio Hub – Scarlett 16i16 4th Gen

If you want an audio interface with adat expansion that can grow with your setup, the Scarlett 16i16 4th Gen is built for flexible recording. It gives you 16 inputs and 16 outputs, plus ADAT, S/PDIF, and MIDI I/O for integrating extra gear into a desktop studio.

Best For: Producers who need a compact interface with room to expand via ADAT and multiple analog connections.

Pros:

  • 16-in/16-out layout with two mic preamps, two Hi-Z inputs, six line inputs, ADAT, S/PDIF, and MIDI I/O
  • 4th Gen preamps offer 69dB of gain for a wide range of recording needs
  • 24-bit/192kHz converters with 122dB dynamic range for detailed capture
  • Auto Gain and Clip Safe help speed up setup and reduce clipping risks

Cons:

  • Only two mic preamps on this model, so larger mic-heavy sessions will need expansion
  • More advanced than a basic two-channel interface, so it may be more than some users need

Overall, the 16i16 4th Gen is a strong pick if you want a modern USB-C interface with ADAT expansion and practical workflow tools. It balances connectivity, sound quality, and studio-friendly features in a compact form.

Starter Two-Channel Pick – M-Track Duo USB

The M-AUDIO M-Track Duo is a simple USB audio interface with no ADAT expansion, but it covers the basics well for small recording setups. With two combo XLR/line/instrument inputs, 48kHz resolution, and zero-latency monitoring, it is aimed at quick recording, streaming, and podcast work.

Best For: Beginners and creators who want a compact two-input interface for vocals, guitar, and streaming.

Pros:

  • Two combo XLR/line/instrument inputs with phantom power
  • USB/Direct monitoring switch supports zero-latency monitoring
  • Portable design with 1/4" headphone output and stereo main outputs
  • Includes MPC Beats software for basic production work

Cons:

  • No ADAT expansion or digital I/O for adding more channels later
  • 48kHz maximum sample rate is more modest than higher-end interfaces
  • Only two channels, so it is not suited to larger recording sessions

As an entry-level interface, the M-Track Duo is straightforward and affordable in spirit, but it is not the right choice if ADAT expansion is a must-have. It makes most sense for solo creators who want a lightweight setup and easy monitoring.

High-Channel Expansion Choice – Scarlett 18i16 4th Gen

If you need an audio interface with adat expansion and more front-end inputs, the Scarlett 18i16 4th Gen is the most capable option here. It delivers 18 inputs and 16 outputs, including four mic preamps, two Hi-Z inputs, eight line inputs, ADAT, S/PDIF, and MIDI I/O for a more ambitious studio workflow.

Best For: Recording setups that need extra onboard inputs and a clear path to expand through ADAT.

Pros:

  • 18-in/16-out design with four mic preamps for more simultaneous sources
  • ADAT, S/PDIF, and MIDI I/O support expanded studio connectivity
  • 4th Gen preamps provide 69dB of gain and 24-bit/192kHz conversion
  • Auto Gain and Clip Safe support efficient, controlled recording sessions

Cons:

  • Larger and heavier than smaller interfaces, so it is less portable
  • It may be overkill for solo recording or very simple two-channel setups

The 18i16 is the stronger fit if your priority is more built-in inputs before you even add ADAT expansion. It keeps the same modern Focusrite workflow features while offering more flexibility for larger sessions.

Premium Modular Studio Interface – Fender Quantum HD 8

If you need an audio interface with ADAT expansion for a growing studio, the Fender Quantum HD 8 is built for scaling up without sacrificing sound quality. It combines 26×30 USB-C connectivity, MAX-HD mic preamps, 32-bit/192 kHz conversion, and ADAT plus S/PDIF I/O for flexible hybrid setups.

Best For: Full-band recording, project studios, and creators who want scalable I/O with modern control features.

Pros:

  • ADAT expansion adds 16 channels, with standalone ADAT preamp mode for bigger setups.
  • 32-bit/192 kHz converters and MAX-HD mic preamps aim for clean, detailed recordings.
  • Front-facing instrument inputs, auto gain, and dual re-amp outputs support fast guitar and bass workflows.
  • Built-in DSP monitor mixer and loopback help with streaming, content creation, and low-latency monitoring.

Cons:

  • Its feature set is more than many simple solo recording setups need.
  • Best value is tied to users who will actually use the ADAT and hybrid routing options.

Overall, this is the most expandable option in the group and the strongest fit if you want room to grow. It is designed for users who need serious connectivity today and the ability to add more channels later.

Portable Beginner Interface – Scarlett Solo 4th Gen

The Focusrite Scarlett Solo 4th Gen is a compact pick if you want an audio interface with ADAT expansion in the broader Focusrite ecosystem, but for this unit itself the focus is on simple, high-quality solo recording. It offers one XLR mic preamp, one Hi-Z instrument input, 24-bit/192 kHz conversion, and a 120 dB dynamic range in a very portable USB-C design.

Best For: Songwriters, solo vocalists, and guitar players who want an easy setup with polished sound.

Pros:

  • Very portable USB-C interface with a straightforward 1-mic, 1-instrument layout.
  • 120 dB dynamic range and 24-bit/192 kHz recording for clean results.
  • Improved Air mode adds presence and harmonic drive to vocals and guitars.
  • Includes Pro Tools Intro+, Ableton Live Lite, Cubase LE, and Hitmaker Expansion.

Cons:

  • Only 2 channels, so it is not built for multi-input tracking.
  • No ADAT or S/PDIF expansion listed on this model.

This is a strong entry-level interface for focused recording, but it is not the right choice if your priority is expansion. Choose it when simplicity, portability, and dependable core recording features matter more than adding extra channels.

Budget Solo Recording Interface – Scarlett Solo 3rd Gen

The Focusrite Scarlett Solo 3rd Gen is a practical USB-C audio interface for basic recording, but it is not an audio interface with ADAT expansion. What it does offer is a clean solo setup with one XLR mic preamp, one Hi-Z instrument input, 24-bit/192 kHz conversion, and low-noise balanced outputs.

Best For: Beginners and podcasters who want an affordable, no-fuss interface for voice and guitar.

Pros:

  • Simple 2-channel layout that is easy to set up and use.
  • 24-bit/192 kHz converters support solid studio-quality recording.
  • Air mode adds extra clarity to vocals and acoustic instruments.
  • Includes Pro Tools Intro+, Ableton Live Lite, Cubase LE, and Hitmaker Expansion.

Cons:

  • No ADAT or other expansion options are listed.
  • Only one mic input and one instrument input limit larger recording sessions.

If you just need a dependable starter interface, this model covers the essentials without complexity. It is best viewed as a budget-friendly recording tool, not a scalable expansion hub.

How We Picked the Best Audio Interface with Adat Expansion

We focused on practical studio value: preamp quality, ADAT implementation, channel count, connectivity, driver reliability, and how well each interface fits real-world recording needs. We also considered whether the design makes sense for solo creators, small bands, and expanding home studios.

Quick Comparison

Some models are best as a compact first interface, while others are better as the centerpiece of a growing setup. A few provide built-in ADAT I/O for expansion, while others pair well with separate expanders or simpler recording workflows. The main question is how many inputs you need today and how much headroom you want for tomorrow.

Key Buying Factors for an Audio Interface with Adat Expansion

ADAT Channel Needs

Check whether you need optical input, output, or both. ADAT is especially useful when you want to add more microphone preamps, drum inputs, or line channels without replacing your main interface.

Sample Rate and Channel Limits

ADAT typically carries more channels at 44.1/48 kHz than at higher sample rates, where channel counts may drop. Make sure the interface supports the workflow you actually plan to use.

Analog I/O and Monitoring

Look beyond the digital expansion port. Enough combo inputs, line outputs, headphone mixes, and direct monitoring options can matter more than raw specs.

Preamps, Conversion, and Drivers

Clean gain, stable drivers, and solid converters affect recording quality every day. If you track vocals or instruments often, low noise and dependable software support are worth prioritizing.

Future Expansion

If you expect to add outboard gear, synths, or drum mics later, choose an interface with enough headroom in both I/O and routing flexibility so you do not outgrow it too quickly.

Who Should Buy Which Audio Interface with Adat Expansion?

Solo artists and creators may prefer compact interfaces with strong core features and optional growth. Home producers who track multiple sources should look for more onboard inputs plus ADAT expandability. Bands, engineers, and content creators recording full sessions will usually benefit most from higher channel counts and better monitoring control. If you only need a simple two-input setup, a smaller interface can still make sense, but an Audio Interface with Adat Expansion is the smarter long-term buy if you expect your studio to grow.