10 Best Audio Interfaces With ADAT Expansion for Flexible Studio Recording in 2026

Expanding a studio beyond a few microphone inputs does not always require replacing your entire recording system. The best audio interface with ADAT expansion lets you add channels, connect external preamps, and build a more capable setup as your needs grow.

We selected 10 interfaces and ADAT-compatible expanders for different workflows, from home recording and podcasting to larger multi-microphone sessions and digital mixer systems. Use the guide below to compare connectivity, channel count, conversion, and upgrade potential before buying.

Best 10 Audio Interface with Adat Expansion Picks for 2026

Best Overall – Behringer UMC1820

The Behringer UMC1820 is a flexible audio interface with ADAT expansion for recording setups that need substantial I/O in one unit. It combines 18×20 USB connectivity with eight MIDAS-designed microphone preamps, MIDI, and support for sample rates up to 96 kHz.

Best For: Home studios and project studios needing many microphone and instrument connections plus ADAT I/O.

Pros:

• Provides 18 inputs and 20 outputs over USB.
• Includes eight MIDAS microphone preamps with +48V phantom power.
• Supports 24-bit/96 kHz audio and popular recording software.

Cons:

• Its broad I/O may be more than a small recording setup requires.
• The supplied notes do not specify the included ADAT expansion channel count.

Choose the UMC1820 when you want a central USB interface with extensive connectivity and room to integrate additional ADAT equipment.

Best 96 kHz Expander – Arturia AudioFuse X8 IN

The Arturia AudioFuse X8 IN is a dedicated audio interface with ADAT expansion for adding eight inputs to a compatible setup. Its 24-bit/96 kHz operation, XLR inputs, rack ears, and included power supply make it suited to organized studio installations.

Best For: Studios that need eight additional inputs through ADAT while maintaining 24-bit/96 kHz capability.

Pros:

• Offers eight channels over ADAT connectivity.
• Supports up to 24-bit/96 kHz operation.
• Includes rack ears, bundled software, an assembly kit, and power supply.

Cons:

• It is an input expander rather than a complete USB recording interface.
• It requires a compatible ADAT-equipped host system.

The AudioFuse X8 IN is a practical choice when your existing interface or converter needs eight more inputs and high-resolution operation.

Best Budget 8-Channel Expander – Behringer ADA8200

The Behringer ADA8200 is a straightforward audio interface with ADAT expansion for adding eight microphone or line-level inputs and eight outputs to a compatible system. It pairs Midas microphone preamps with 24-bit conversion at 44.1/48 kHz and ADAT optical connectivity.

Best For: Recording setups that need eight additional preamp channels at standard 44.1 or 48 kHz rates.

Pros:

• Provides eight microphone preamp channels.
• Includes ADAT optical output for digital expansion.
• Uses 24-bit AD/DA conversion at 44.1/48 kHz.

Cons:

• Its maximum sample rate is 48 kHz.
• It is intended to expand a compatible ADAT system rather than operate as a standalone USB interface.

The ADA8200 makes sense for conventional studio recording where eight added channels and reliable ADAT connectivity matter more than 96 kHz support.

Best Console Expansion – Klark Teknik DN32-ADAT

The Klark Teknik DN32-ADAT is a specialized audio interface with ADAT expansion for Midas and Behringer digital consoles. It provides up to 32 simultaneous record/playback channels at 48 kHz through four input and four output TOSLINK connectors, with word-clock support for synchronization.

Best For: Studio or live recording workflows built around compatible Midas or Behringer digital consoles.

Pros:

• Supports up to 32 channels of simultaneous recording and playback.
• Provides four optical input and four optical output connectors.
• Includes BNC word-clock connectivity for external synchronization.

Cons:

• Compatibility is limited to specified Midas and Behringer digital consoles.
• Operation is limited to 48 kHz according to the supplied notes.

For compatible console owners, the DN32-ADAT offers high channel capacity and practical optical routing for studio and live recording systems.

Best for Easy Setup – Focusrite Scarlett 18i20 4th Gen

The Focusrite Scarlett 18i20 4th Gen is a strong choice if you need an audio interface with ADAT expansion for a larger recording setup. It combines eight mic preamps, eight line inputs, dual ADAT, S/PDIF, MIDI, and Word Clock with 26-in/26-out operation, making it suitable for expanding a studio system.

Best For: Home studios, project studios, and engineers recording multiple microphones or integrating external digital gear.

Pros:

• Eight mic preamps, two Hi-Z inputs, and eight line inputs offer flexible connectivity.
• Dual ADAT, S/PDIF, MIDI, and Word Clock support extensive studio expansion.
• 24-bit/192kHz converters, 122dB dynamic range, Air modes, Auto Gain, and Clip Safe support a professional workflow.
• Includes Pro Tools Intro+, Ableton Live Lite, Cubase LE, and Hitmaker Expansion software.

Cons:

• Its larger 8-pound rack-style design may be more than a small setup requires.
• The broader feature set can be unnecessary for users recording only one or two sources at a time.

Choose the Scarlett 18i20 when you want maximum onboard I/O and room to build around external preamps or converters. It is especially compelling for multitrack recording and more permanent studio installations.

Best Compact Pick – PIYONE Q2 2×2 USB-C Interface

The PIYONE Q2 is a compact 2×2 interface for straightforward recording on a computer or compatible mobile setup. However, it is not an audio interface with ADAT expansion; its appeal is portability, USB-C bus power, and simple two-input recording.

Best For: Beginners, mobile creators, and guitarists who need a lightweight interface for basic vocal or instrument recording.

Pros:

• Two XLR/TRS combo inputs support microphones, instruments, and line-level sources.
• USB-C connectivity provides data transfer and bus power without a bulky external power supply.
• 24-bit/192kHz recording, 48V phantom power, direct monitoring, loopback, and a 3.5mm headphone jack add practical flexibility.

Cons:

• No ADAT, MIDI, or other digital expansion is listed.
• Two input channels are limiting for full-band or larger multitrack recording.
• The supplied details list Windows compatibility, so users on other platforms should verify support before buying.

The Q2 makes sense when size and simplicity matter more than expandability. If your goal is specifically ADAT-based system growth, choose one of the Focusrite interfaces instead.

Best Midrange Expansion – Focusrite Scarlett 18i16 4th Gen

The Focusrite Scarlett 18i16 4th Gen is a practical audio interface with ADAT expansion for producers who need substantial I/O without moving to the larger 18i20. It provides 18 inputs and 16 outputs, four mic preamps, eight line inputs, ADAT, S/PDIF, and MIDI in a more compact 3.8-pound format.

Best For: Producers and project studios that need multichannel recording and digital expansion but do not require eight built-in mic preamps.

Pros:

• Combines four mic preamps, two Hi-Z inputs, eight line inputs, and ADAT expansion.
• 18-in/16-out routing supports complex recording and monitoring setups.
• 24-bit/192kHz converters, Air modes, Auto Gain, and Clip Safe provide useful recording and workflow features.
• Includes Pro Tools Intro+, Ableton Live Lite, Cubase LE, and Hitmaker Expansion software.

Cons:

• It has four mic preamps compared with the 18i20’s eight.
• It provides 16 outputs rather than the 18i20’s 20.
• An external power supply is included, so it is less minimal than a bus-powered interface.

The Scarlett 18i16 is a balanced option for studios that want ADAT growth and broad routing in a smaller package. It offers more flexibility than a basic two-channel interface while avoiding the full size and input count of the 18i20.

Best for Mobile Creators – MAONO P2 Hybrid USB Interface

MAONO P2 Hybrid USB Audio Interface Dual XLR for PC Phone iPad Guitar

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The MAONO P2 is a flexible choice for creators who need an audio interface with ADAT expansion alternatives aside. It focuses instead on hybrid USB connectivity, letting you connect a computer and phone or iPad simultaneously for recording, streaming, and mobile publishing.

Best For: Podcasters, streamers, and musicians recording vocals or guitar across computers and mobile devices.

Pros:

• Dual USB ports support simultaneous computer and phone or iPad connections.
• Dual XLR inputs offer 24-bit/192kHz recording, 56dB of gain, and low-noise performance.
• Loopback, routing, mute controls, and direct monitoring support streamlined creator workflows.
• Compact aluminum-alloy housing and a 15-degree tilt suit desk or mobile setups.

Cons:

• Its supplied features do not include ADAT connectivity for adding external microphone preamps.
• It is centered on two XLR inputs rather than larger multichannel studio expansion.

The P2 is best viewed as a creator-focused USB interface rather than a conventional expandable studio hub. Choose it when mobile connectivity, loopback, and easy streaming matter more than ADAT-based channel expansion.

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Best Overall Expansion Hub – Focusrite Scarlett 16i16 4th Gen

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

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The Focusrite Scarlett 16i16 is a strong option for buyers seeking an audio interface with ADAT expansion and broad studio connectivity. Its 16-in/16-out design combines mic, instrument, line, ADAT, S/PDIF, and MIDI connections for a flexible recording setup.

Best For: Producers and home studios that need multiple inputs, outputs, digital expansion, and MIDI in one interface.

Pros:

• Provides 16 inputs and 16 outputs, including ADAT and S/PDIF connections.
• Includes two mic preamps, two Hi-Z inputs, six line inputs, and MIDI I/O.
• 24-bit/192kHz converters offer a stated 122dB dynamic range.
• Auto Gain and Clip Safe simplify level setting and help manage clipping.

Cons:

• Its larger I/O feature set may be more than a simple two-channel recording setup requires.
• It uses an external power supply rather than being solely bus powered.

For a growing studio, the Scarlett 16i16 offers the most comprehensive expansion-oriented layout in this group. ADAT, S/PDIF, MIDI, and substantial analog I/O make it a practical centerpiece for adding equipment over time.

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Best Premium Two-Channel Pick – Focusrite Clarett+ 2Pre

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

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The Focusrite Clarett+ 2Pre suits musicians who want an audio interface with ADAT expansion without moving to a large multichannel front panel. It provides two Clarett+ preamps, JFET instrument inputs, four balanced outputs, and an ADAT optical input for up to eight channels of digital expandability.

Best For: Guitarists, vocalists, and compact studios that want high-quality two-channel recording with room to add ADAT equipment.

Pros:

• ADAT optical input enables eight channels of digital expansion with compatible outboard gear.
• Two Clarett+ preamps provide high headroom, low distortion, and low noise.
• All-analogue Air mode adds presence through relay-controlled analogue circuitry.
• JFET instrument inputs and improved headphone output support detailed guitar recording and monitoring.

Cons:

• Only two mic preamps are built in, so additional channels require compatible ADAT equipment.
• The unit requires a 15W USB-C port for bus power and also includes a power supply.

The Clarett+ 2Pre is a focused solution for recording a few sources now while keeping a clear upgrade path. It is especially appealing when preamp quality, instrument inputs, and future ADAT expansion matter more than a high analog input count.

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How We Picked the Best Audio Interface with Adat Expansion

We focused on products that either provide ADAT optical I/O directly or expand a compatible digital recording system through ADAT or a related multichannel connection. Selection criteria included usable input and output counts, microphone preamp quality, USB connectivity, monitoring features, driver and platform compatibility, and practical value for home and project studios.

Because these products serve different roles, the list includes complete USB interfaces, dedicated ADAT preamp expanders, and expansion hardware for digital mixers. A standalone expander is useful only when the rest of your system has matching digital inputs, clocking support, and the correct optical format.

Quick Comparison

Best For	What to Prioritize	Typical Choice
Growing home studio	USB interface with ADAT input	18i20-, 18i16-, or UMC1820-style interface
Adding eight microphone channels	Eight-channel ADAT preamp	ADA8200 or AudioFuse X8 IN
Digital mixer expansion	Compatible card, channel count, and routing	DN32-ADAT-style module
Small mobile setup	Compact USB connection and simple monitoring	2×2 interface or compact hybrid model

Key Buying Factors for an Audio Interface with Adat Expansion

ADAT I/O and Channel Count

ADAT commonly carries up to eight channels at standard sample rates, but available channels can decrease at higher sample rates through SMUX. Check whether the interface has ADAT input, output, or both. An ADAT input is generally enough to add external preamps; ADAT output is important when sending computer playback or routed signals to another digital device.

Inputs, Preamps, and Conversion

Count the microphones, instruments, and line-level sources you need to connect at the same time. Look for suitable XLR, TRS, or dedicated line inputs rather than relying on headline channel counts. Gain range, phantom power control, pad options, and low-noise conversion matter when recording quiet sources, loud instruments, or multiple microphones together.

Clocking and Compatibility

Confirm that the interface and expander support the same optical format and sample-rate range. Set one device as the clock master and verify whether word-clock connections are available when your system requires them. Also check USB-C or USB-A compatibility, operating-system support, control software, and whether the product is designed for a computer, iPad, or digital mixer.

Monitoring and Workflow

Direct monitoring, headphone outputs, cue mixes, MIDI, loopback, and flexible routing can make a bigger daily difference than a small specification advantage. Producers tracking several performers should prioritize independent headphone mixes and easy input assignment.

Who Should Buy Which Audio Interface with Adat Expansion?

Choose a full-size USB interface with ADAT if you want one central hub for recording, monitoring, and future expansion. Models in the Scarlett 18i20, Scarlett 18i16, Scarlett 16i16, and UMC1820 class suit studios that may grow beyond four or eight simultaneous inputs.

Choose a dedicated ADAT expander if your existing interface already works well and only needs more microphone or line inputs. The ADA8200 and AudioFuse X8 IN are aimed at this straightforward upgrade path, provided your interface has compatible ADAT input.

Choose a mixer expansion module when your setup is built around a compatible digital console rather than a conventional USB interface. Confirm the mixer model, firmware, channel routing, and card format before ordering.

Choose a compact 2×2 or hybrid interface for voice, guitar, streaming, or mobile recording where portability and simple operation matter more than large channel counts. For the best long-term value, buy enough ADAT capability and input headroom for the next stage of your studio—not just the session you are recording today.