Best 10 Audio Interfaces With ADAT Expansion in 2026

Choosing an audio interface with ADAT expansion is one of the easiest ways to grow a studio without replacing your main interface later. It lets you add more inputs and outputs when your tracking needs expand.

Below, we’ve focused on options that balance sound quality, connection speed, driver support, and real-world expandability for home studios, project rooms, and growing setups.

Best 10 Audio Interface with Adat Expansion Picks for 2026

Budget Expansion Pick – Behringer UMC1820 18×20 USB Audio/MIDI Interface

If you want an audio interface with adat expansion without spending a lot, the Behringer UMC1820 is built for bigger recording setups. It gives you 18 inputs and 20 outputs over USB 2.0, plus ADAT I/O, so it can anchor a growing home or project studio that needs room for microphones and instruments.

Best For: Budget-minded musicians and recordists who need lots of channels and ADAT I/O.

Pros:

• 18 inputs and 20 outputs for multi-source recording and monitoring
• 8 MIDAS-designed mic preamps with +48V phantom power
• 24-bit/96 kHz support for solid recording quality
• Compatible with major DAWs on Mac and Windows

Cons:

• Maximum sample rate is 96 kHz, below some newer interfaces
• Larger desktop footprint than compact 2-channel models
• More interface than many simple solo creators need

The UMC1820 stands out as a practical expansion hub if you need lots of I/O and ADAT connectivity on a tight budget. It is best suited to users who value channel count and flexibility over premium extras.

ADAT Preamp Expansion – Behringer ADA8200 8-Channel Mic Preamp

The Behringer ADA8200 is a straightforward choice if you already own an interface and need an audio interface with adat expansion through extra preamps. It adds eight XLR microphone channels and is designed around ADAT connectivity, making it a useful add-on for expanding input count in a recording setup.

Best For: Users who need an 8-channel ADAT preamp to add more mic inputs to an existing interface.

Pros:

• 8 XLR microphone inputs for expanding a studio quickly
• Designed for ADAT-supported setups
• Includes 8 Midas preamps
• Simple wired connection for a rack-style expansion unit

Cons:

• Limited to 48 kHz maximum sample rate
• No standalone interface features listed beyond expansion use
• Not a full all-in-one recording interface

For studios that already have a compatible interface, the ADA8200 is a focused and affordable way to add eight more mic channels. It is less about standalone recording and more about giving an existing system more ADAT-connected headroom.

Feature-Rich Studio Choice – Focusrite Scarlett 18i16 4th Gen USB-C Interface

The Focusrite Scarlett 18i16 4th Gen is a strong audio interface with adat expansion if you want modern workflow tools and plenty of connectivity. With 18 inputs, 16 outputs, ADAT, S/PDIF, and MIDI I/O, it is aimed at users building a flexible studio that can grow over time.

Best For: Producers and musicians who want a high-quality interface with ADAT, strong converters, and studio workflow tools.

Pros:

• 18 inputs and 16 outputs with ADAT, S/PDIF, and MIDI
• 4th Gen preamps with up to 69 dB of gain
• 24-bit/192 kHz converters and 122 dB dynamic range
• Auto Gain and Clip Safe support easier recording sessions

Cons:

• More expensive and complex than simple 2-channel interfaces
• Best value depends on needing the extra routing and I/O
• External power supply required

This model is a good fit when you want more than basic recording and also want a polished feature set for larger sessions. Its ADAT support and generous I/O make it especially useful for studio expansion.

Portable Entry-Level Pick – Alloy Red 2×2 USB-C Audio Interface

This compact 2×2 unit is not an audio interface with adat expansion, but it is a practical entry-level choice if you only need a small recording setup. It offers class-compliant USB-C operation, 24-bit/192 kHz conversion, and a simple two-input layout for vocals, guitar, or mobile recording.

Best For: Solo creators and laptop users who want a compact 2-channel recording interface.

Pros:

• Plug-and-play USB-C operation with bus power
• 24-bit/192 kHz support for high-fidelity recording
• Two combo inputs with 48V phantom power
• Direct monitoring and 3.5mm headphone output

Cons:

• No ADAT I/O or expansion features
• Only 2 channels, so it is not built for larger sessions
• Windows-focused details in the supplied notes

While it does not serve the expansion-focused keyword directly, this interface makes sense for smaller, portable setups that prioritize simplicity. If you need room to grow with ADAT, the other options in this roundup are a better fit.

Producer-Ready USB-C Interface – Focusrite Scarlett 16i16 4th Gen

If you want an audio interface with ADAT expansion for a flexible project studio, the Scarlett 16i16 gives you a strong mix of I/O, converter quality, and workflow tools. With 16 inputs, 16 outputs, two mic preamps, ADAT, S/PDIF, and MIDI, it is built to handle growing recording setups without feeling overcomplicated.

Best For: Musicians and producers who need a compact interface with room to expand via ADAT and plenty of everyday recording 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 with up to 69dB of gain for flexible mic recording
• 24-bit/192kHz converters from Focusrite’s RedNet range and 122dB dynamic range
• Auto Gain and Clip Safe help speed up setup and protect takes from clipping

Cons:

• Only two onboard mic preamps, so larger mic sessions will depend on expansion
• More full-featured than a basic two-channel interface if you only need simple recording

Overall, the 16i16 is a practical choice if you want ADAT expansion and pro-style features in a desktop-friendly USB-C interface. It offers enough connectivity for serious home and project studio work while staying focused on efficient recording.

Portable Two-Channel Starter – M-AUDIO M-Track Duo

The M-Track Duo is a straightforward audio interface with ADAT expansion not included, so it fits best if you need simple two-channel recording rather than a system built to grow. It focuses on portability and ease of use, with dual combo XLR/line/instrument inputs, 48kHz resolution, and zero-latency monitoring for podcasts, streaming, and basic music recording.

Best For: Beginners, streamers, and podcasters who want an affordable, portable interface for two-input recording.

Pros:

• Two combo XLR/line/instrument inputs with phantom power
• 48kHz audio resolution for everyday recording tasks
• USB/Direct switch for zero-latency monitoring
• Includes MPC Beats software for getting started quickly

Cons:

• No ADAT expansion for adding more inputs later
• 48kHz maximum sample rate is more basic than higher-end interfaces
• Two-channel design limits larger recording sessions

As a compact entry-level interface, the M-Track Duo covers the essentials well, but it is not the right pick if expansion is a priority. Choose it for simple, portable recording; look elsewhere if you need ADAT-based growth.

Engineer-Focused Expansion Hub – Focusrite Scarlett 18i20 4th Gen

If you need an audio interface with ADAT expansion for a larger studio, the Scarlett 18i20 is the most expandable option in this group. It combines 18 inputs, 20 outputs, eight mic preamps, dual ADAT, S/PDIF, MIDI, and word clock, making it suitable for sessions that need more routing and more channels from day one.

Best For: Engineers and studio owners who need a high-input interface with serious expansion and clocking options.

Pros:

• 18-in/20-out design with eight mic preamps and two Hi-Z inputs
• Dual ADAT, S/PDIF, MIDI, and word clock for advanced expansion
• 4th Gen preamps with up to 69dB gain and 24-bit/192kHz converters
• Auto Gain and Clip Safe support efficient, safer recording sessions

Cons:

• Larger and heavier than the smaller Scarlett 16i16
• More interface than a casual solo recording setup may need

The 18i20 is the strongest choice here for anyone building a serious recording rig around ADAT and multi-channel workflow. It is designed to handle larger sessions cleanly while still offering the same modern Focusrite convenience features.

Portable Starter Pick – PreSonus AudioBox 96 25th Anniversary USB Audio Interface

If you need an audio interface with adat expansion in your studio and a simple 2-channel setup for tracking vocals, guitar, or bass, the PreSonus AudioBox 96 is a practical entry point. It focuses on core recording features: Class-A mic preamps, instrument inputs, MIDI I/O, bus power, and 24-bit/96 kHz support.

Best For: Solo musicians, podcasters, and mobile recordists who want a compact USB interface with included software.

Pros:

• 2 Class-A mic preamps for straightforward recording
• 2 high-headroom instrument inputs plus MIDI I/O
• USB bus-powered design keeps the setup portable
• Includes a large software bundle with Studio One Artist and Ableton Live Lite

Cons:

• Only 2 input channels, so it is not built for larger sessions
• No ADAT expansion mentioned in the supplied specs
• Maximum sample rate is 96 kHz, which is lower than some higher-end interfaces

The AudioBox 96 is a solid budget-friendly choice if you want a compact interface with dependable basics and bundled software. It is best viewed as a simple personal recording tool rather than a modular expansion hub.

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

This audio interface with adat expansion is a strong choice if you want a compact USB-C unit that can grow with your studio. The Clarett+ 2Pre combines two low-noise preamps, JFET instrument inputs, improved converters, and an ADAT optical input for adding up to eight channels of compatible digital hardware.

Best For: Small studios and home recordists who want high-quality conversion now with ADAT expandability later.

Pros:

• 2 Clarett+ mic preamps with low distortion and low noise
• ADAT optical input for eight channels of digital expansion
• USB-C bus power for a cleaner, more streamlined setup
• Improved A-D/D-A converters and a transparent headphone output

Cons:

• Only two onboard mic preamps before expansion
• Requires a 15W USB-C port for bus power
• Expansion depends on compatible ADAT outboard gear

If you want a compact interface that does the basics well but leaves room to scale up, the Clarett+ 2Pre is a smart pick. Its ADAT input makes it easy to add channels without replacing the interface later.

Multi-Channel Studio Hub – Focusrite Clarett+ 8Pre 18-In/20-Out USB-C Audio Interface

For bigger sessions, this audio interface with adat expansion gives you a lot of built-in I/O plus room to grow. The Clarett+ 8Pre includes eight Clarett+ preamps, dual headphone outputs, 18-in/20-out connectivity, and an ADAT optical input for expanding with compatible digital gear.

Best For: Bands, project studios, and producers who need many inputs and want the option to expand further.

Pros:

• 8 Clarett+ mic preamps for larger recording sessions
• ADAT optical input supports eight channels of digital expansion
• 18-in/20-out design with 10 balanced outputs
• Two transparent headphone outputs for monitoring

Cons:

• Larger and heavier than compact 2-channel interfaces
• Requires IEC power rather than USB bus power
• Expansion still depends on ADAT-compatible outboard equipment

The Clarett+ 8Pre is the most complete option here if you need serious input count and a clearer path to expansion. It is better suited to a fixed studio setup than a grab-and-go rig.

How We Picked the Best Audio Interface with Adat Expansion

We looked for interfaces and expanders that offer practical ADAT support, strong converter and preamp performance, reliable drivers, and enough I/O to suit different recording workflows. We also considered whether each model is a better fit for new users, multitrack bands, podcasters, or upgrading studios.

Quick Comparison

For most buyers, the best choice depends on whether you need a compact interface with one ADAT port, a higher-channel desktop unit, or a dedicated ADAT preamp to add eight more mic inputs. If you already own a main interface, an ADAT expander can be the most cost-effective upgrade.

Key Buying Factors for Audio Interface with Adat Expansion

Channel Count and Future Growth

Check how many analog inputs you need today, then add room for growth. A good Audio Interface with Adat Expansion should make it easy to scale up for drums, live band tracking, or multi-mic sessions.

ADAT Optical Limits

ADAT usually adds up to eight channels per optical connection at standard sample rates, but that count can drop at higher rates depending on the model and setup. Make sure the interface supports the sample rates you actually plan to use.

Preamp Quality and Line Inputs

If you record vocals and instruments often, preamp quality matters as much as raw channel count. Also look for enough line inputs, since external preamps and synths may not need mic gain.

Connectivity and Monitoring

USB-C is common, but driver stability, low-latency monitoring, and flexible routing are just as important. Direct monitoring, MIDI I/O, and separate headphone mixes can make daily sessions much smoother.

Who Should Buy Which Audio Interface with Adat Expansion?

Beginners and solo creators can usually start with a smaller interface and add an ADAT preamp later. Home studio owners who record full bands should prioritize 8-channel expansion and dependable software control. If you want a long-term centerpiece, choose a higher-channel interface with strong routing and enough outputs for monitors, outboard gear, and future expansion. In short, the right Audio Interface with Adat Expansion is the one that fits your current workflow while leaving headroom for the next stage of your studio.