Choosing an audio interface with ADAT expansion gives your studio room to grow. You can start with a compact interface and later add external preamps or converters for more microphones, instruments, and monitor feeds.
This roundup compares 10 options across expandable rack interfaces, USB-C desktop models, and budget-friendly recording tools, with attention to I/O, connectivity, expansion potential, and workflow.
Best 10 Audio Interface with Adat Expansion Picks for 2026
Best 8-Channel ADAT Preamp
- Eight XLR microphone preamp channels
- Midas preamps with 24-bit conversion
- ADAT optical output at 44.1/48 kHz
Best For: Adding eight mic inputs to an ADAT-compatible setup
Best High-Resolution ADAT Expander
- Eight-channel input expansion
- 24-bit/96kHz ADAT operation
- Rack ears and software included
Best For: High-resolution expansion in a rack-based setup
Best Complete Studio Interface
Focusrite Scarlett 18i20 4th Gen
- 18-in/20-out USB-C studio interface
- Eight preamps plus dual ADAT
- 192kHz converters and advanced workflow tools
Best For: Larger studios needing native I/O and expansion
Best Portable 2x2 Interface
- Two combo inputs for basic recording
- 24-bit/192kHz USB-C operation
- Bus-powered direct-monitoring design
Best For: Portable two-input PC or mobile recording
High-Input Studio Hub
- 18 inputs and 16 outputs with ADAT expansion
- Four mic preamps, eight line inputs, and MIDI
- 24-bit/192kHz audio with Auto Gain and Clip Safe
Best For: Larger recording setups and expanding home studios
Compact Starter Pick
- Two combo mic, line, and instrument inputs
- Zero-latency monitoring via USB/Direct switch
- Includes MPC Beats for basic production
Best For: Entry-level recording, podcasts, and streaming
Flexible Expansion Choice
- 16 inputs and 16 outputs with ADAT
- Two mic preamps, six line inputs, and MIDI
- 24-bit/192kHz conversion with Clip Safe
Best For: Growing home studios needing digital I/O expansion
Best ADAT-Expandable Choice
- ADAT input adds up to eight digital channels
- Two low-noise Clarett+ microphone preamps
- Air mode and JFET inputs support detailed recording
Best For: Growing home studios needing expandable I/O
Best Simple Pick
Focusrite Scarlett Solo 4th Gen
- One XLR mic input and one Hi-Z instrument input
- 24-bit/192kHz recording with 120dB dynamic range
- Includes a broad starter software bundle
Best For: Solo musicians and simple vocal-and-instrument setups
Best 8-Channel ADAT Preamp – Behringer ADA8200
Behringer ADA8200 Audiophile 8 In/8 Out ADAT Audio Interface with Midas Mic Preamplifiers
Check Price On AmazonIf you need an audio interface with ADAT expansion for adding microphone inputs to an existing setup, the Behringer ADA8200 provides eight channels of conversion and preamplification. Its Midas microphone preamps and ADAT optical output make it a practical rack-style expansion unit for compatible systems operating at 44.1 or 48 kHz.
Best For: Expanding a compatible audio interface with eight XLR microphone inputs.
Pros:
- Provides eight microphone preamplifier channels.
- Uses Midas microphone preamps.
- Offers 24-bit AD/DA conversion at 44.1/48 kHz.
- Includes ADAT optical output for digital expansion.
Cons:
- Maximum sample rate is 48 kHz.
- Requires a compatible ADAT-equipped interface or system.
The ADA8200 is a straightforward choice when channel count and affordable ADAT connectivity matter more than high-resolution sample rates or built-in computer connectivity.
Best High-Resolution ADAT Expander – Arturia AudioFuse X8 IN
The Arturia AudioFuse X8 IN is an audio interface with ADAT expansion designed to add eight inputs to a compatible recording system. With 24-bit/96kHz operation, rack ears, a bundled assembly kit, and included software, it suits creators who want higher-resolution digital expansion in a rack-friendly format.
Best For: Adding eight high-resolution inputs to a Mac- or Windows-based ADAT setup.
Pros:
- Provides eight input channels.
- Supports up to 24-bit/96kHz conversion.
- Includes rack ears and an assembly kit.
- Offers Mac and Windows software compatibility.
Cons:
- It is an input expander rather than a complete standalone computer interface.
- Requires an ADAT-compatible host device for system expansion.
Compared with 48 kHz-focused expanders, the AudioFuse X8 IN is the more suitable option when 96 kHz capability and rack installation are important parts of the recording workflow.
Best Complete Studio Interface – Focusrite Scarlett 18i20 4th Gen
The Focusrite Scarlett 18i20 4th Gen is a full USB audio interface with ADAT expansion, not just an expander. It combines eight mic preamps, two Hi-Z inputs, eight line inputs, dual ADAT, S/PDIF, MIDI, and word clock with 24-bit/192kHz converters, making it a flexible center for a larger studio.
Best For: Recording setups that need extensive I/O, built-in preamps, and room for ADAT expansion.
Pros:
- Offers 18 inputs and 20 outputs with dual ADAT connectivity.
- Includes eight mic preamps and two Hi-Z inputs.
- Supports up to 24-bit/192kHz conversion.
- Adds Auto Gain, Clip Safe, Air modes, talkback, MIDI, and word clock.
Cons:
- Its broad feature set may be more than a simple ADAT expansion task requires.
- At 8 pounds, it is less portable than compact interfaces.
The Scarlett 18i20 is the strongest all-in-one option here for a growing studio: it provides substantial native connectivity now while leaving room to expand through dual ADAT inputs.
Best Portable 2×2 Interface – PIYONE Q28 Alloy Red
The PIYONE Q28 is a compact 2×2 USB interface for straightforward PC, Mac, or iOS recording, but it is not an audio interface with ADAT expansion. Its two combo inputs, 24-bit/192kHz support, USB-C bus power, phantom power, and direct monitoring make it better suited to simple mobile or home recording than multichannel expansion.
Best For: Portable two-input recording with microphones, instruments, or guitar.
Pros:
- Provides two XLR/TRS combo inputs.
- Supports 24-bit/192kHz recording.
- Uses USB-C for data and bus power without an external supply.
- Includes direct monitoring, loopback, and a 3.5mm headphone output.
Cons:
- Does not provide ADAT connectivity or multichannel expansion.
- Offers only two input channels.
- Supplied details list Windows compatibility, so other-device support should be confirmed before purchase.
If ADAT expansion is a firm requirement, choose one of the dedicated expanders or the Scarlett instead. The Q28 makes more sense when portability, bus power, and a simple two-input workflow are the priorities.
High-Input Studio Hub – Scarlett 18i16 4th Gen
The Focusrite Scarlett 18i16 4th Gen is a strong choice when you need an audio interface with ADAT expansion and substantial routing capacity. It combines 18 inputs and 16 outputs with four mic preamps, eight line inputs, ADAT, S/PDIF, and MIDI for larger recording setups.
Best For: Producers and small studios recording multiple microphones, instruments, and line-level sources.
Pros:
- 18-in/16-out connectivity with ADAT, S/PDIF, and MIDI
- Four mic preamps, two Hi-Z inputs, and eight line inputs
- 24-bit/192kHz conversion with a stated 122dB dynamic range
- Auto Gain, Clip Safe, Air modes, and bundled production software
Cons:
- More capacity than needed for simple two-channel recording
- Requires external power and is larger than compact interfaces
With its broad I/O and built-in workflow tools, the 18i16 is the most expandable and studio-oriented option here. It makes particular sense if you plan to add external preamps or converters through ADAT.
Compact Starter Pick – M-Track Duo
The M-AUDIO M-Track Duo is a compact, straightforward interface for basic recording, streaming, and podcasting, but it is not an audio interface with ADAT expansion. Its two combo inputs and simple monitoring controls suit users who need an affordable two-channel setup.
Best For: Beginners, podcasters, streamers, and musicians recording one or two sources at a time.
Pros:
- Two combo XLR/line/instrument inputs with phantom power
- Dedicated headphone and stereo main outputs
- USB/Direct switch enables zero-latency monitoring
- Includes MPC Beats and supports 48kHz recording
Cons:
- No ADAT, MIDI, or multichannel expansion listed
- Limited to two channels and 48kHz resolution
The M-Track Duo is easy to position as a simple entry-level recording tool. Choose it for portability and uncomplicated operation, but look to the Focusrite models if ADAT expansion is a priority.
Flexible Expansion Choice – Scarlett 16i16 4th Gen
The Focusrite Scarlett 16i16 4th Gen is a capable audio interface with ADAT expansion for producers who need extensive I/O without stepping up to the larger 18i16. It provides 16 inputs and 16 outputs, along with two mic preamps, six line inputs, S/PDIF, and MIDI.
Best For: Home studios and producers who need flexible routing and digital expansion with a moderate input count.
Pros:
- 16-in/16-out design with ADAT, S/PDIF, and MIDI
- Two mic preamps, two Hi-Z inputs, and six line inputs
- 24-bit/192kHz converters with a stated 122dB dynamic range
- Auto Gain, Clip Safe, Air modes, and useful bundled software
Cons:
- Fewer mic preamps and line inputs than the Scarlett 18i16
- May be excessive for basic vocal or instrument recording
The 16i16 balances expansion potential and physical size well. It is a practical middle ground for a growing setup, especially when you want ADAT connectivity but do not need four built-in mic preamps.
Mobile Creator Pick – MAONO P2 Hybrid USB Interface
The MAONO P2 is designed for creators who need flexible recording and streaming rather than an audio interface with ADAT expansion. Its dual USB connectivity supports simultaneous computer and phone or tablet workflows, while loopback, routing, and direct monitoring help simplify podcasts, streams, and mobile music projects.
Best For: Podcasters, streamers, and mobile creators recording with microphones, guitars, computers, phones, or tablets.
Pros:
- Dual XLR inputs provide up to 56dB of gain and support condenser and dynamic microphones.
- Dual USB ports support simultaneous computer and MFi-certified phone or iPad connections.
- Loopback, routing software, mute controls, and real-time signal indicators support streamlined content creation.
- 24-bit/192kHz recording, ASIO support, and direct monitoring are useful for home recording.
Cons:
- It does not provide ADAT expansion for adding external multi-channel preamps.
- Its feature set is oriented toward creators and streaming workflows rather than larger studio systems.
The P2 is a practical choice when connectivity and creator-focused routing matter more than expandable digital I/O. Choose a different interface if your buying priority is specifically an audio interface with ADAT expansion.
Best ADAT-Expandable Choice – Focusrite Clarett+ 2Pre
The Focusrite Clarett+ 2Pre is the strongest fit here for shoppers seeking an audio interface with ADAT expansion. It combines two Clarett+ microphone preamps with an ADAT optical input that can add up to eight channels from compatible external equipment, making it suitable for a growing home studio.
Best For: Home-studio musicians and producers who need high-quality two-channel recording now and room to expand later.
Pros:
- ADAT optical input provides up to eight channels of digital expandability with compatible equipment.
- Two Clarett+ preamps offer low noise, low distortion, and substantial headroom.
- Air circuitry adds an analogue-style high-frequency lift to microphone recordings.
- JFET instrument inputs preserve the natural character of guitars and other instruments.
Cons:
- ADAT expansion requires compatible external equipment, such as an eight-channel preamp.
- The interface has only two built-in microphone preamps for direct analogue recording.
- USB-C bus power requires a 15W USB-C port, and a power supply is also included.
For a scalable recording setup, the Clarett+ 2Pre offers the clearest match to the target keyword in this roundup. Its converters, headphone output, and expansion path make it more future-ready than the compact two-input alternatives.
Best Simple Pick – Focusrite Scarlett Solo 4th Gen
The Focusrite Scarlett Solo 4th Gen is a compact two-channel interface for straightforward microphone-and-instrument recording. It is not an audio interface with ADAT expansion, but its 24-bit/192kHz operation, 120dB dynamic range, USB-C connection, and iPad compatibility make it a capable starting point for solo creators.
Best For: Songwriters and solo musicians recording one microphone and one guitar or other Hi-Z instrument.
Pros:
- One XLR microphone input and one Hi-Z instrument input cover a simple vocal-and-guitar setup.
- 120dB dynamic range and 24-bit/192kHz support provide studio-oriented recording specifications.
- Air modes can add presence and harmonic drive to vocals and guitars.
- Includes Pro Tools Intro+, Ableton Live Lite, Cubase LE, and the Hitmaker Expansion software bundle.
Cons:
- It has no ADAT input or other provision for expanding with external multi-channel hardware.
- Only one microphone input limits simultaneous multi-microphone recording.
- Its two-channel design is less suitable for larger band or multi-source sessions.
The Scarlett Solo is easy to recommend for a focused, low-complexity setup, especially when bundled software and portability matter. However, buyers specifically seeking expandable digital inputs should step up to the Clarett+ 2Pre instead.
How We Picked the Best Audio Interface with Adat Expansion
We focused on interfaces and expanders that support practical multichannel recording workflows, especially models with ADAT connectivity or a clear role in an expandable system. We compared input and output counts, microphone preamp capacity, USB connectivity, monitoring features, MIDI and digital I/O, portability, and likely use cases.
Because the list spans full recording interfaces and ADAT input expanders, the best choice depends on whether you need a central USB interface or more channels for equipment you already own. Product specifications can vary by sample rate, so confirm the manufacturer’s I/O chart before buying.
Quick Comparison
| Best For | What to Prioritize | Likely Fit |
|---|---|---|
| Adding eight microphone channels | Eight analog inputs, ADAT output, reliable clocking | Dedicated ADAT expanders |
| Band or project-studio recording | Multiple preamps, USB-C, monitor outputs, MIDI | Mid- and high-channel-count interfaces |
| Hybrid studio routing | Balanced outputs, ADAT, S/PDIF, word clock or flexible routing | Advanced USB interfaces |
| Solo, podcast, or mobile recording | Simple controls, low cost, instrument input | Compact 2-in/2-out interfaces |
Key Buying Factors for an Audio Interface with Adat Expansion
ADAT Capacity and Compatibility
ADAT commonly carries up to eight channels at 44.1 or 48 kHz over one optical connection, while higher sample rates may reduce the channel count through S/MUX. Check whether the interface provides ADAT input, output, or both, and verify that the external unit uses compatible optical formats and sample rates.
Analog Inputs and Preamps
Count the microphone preamps you need today, then consider future sessions. Combo inputs are useful for microphones, line-level devices, and instruments, while dedicated line inputs can make an interface better suited to external preamps, synthesizers, and mixers.
Clocking, Routing, and Monitoring
Digital expansion works best when sample rate and clock settings are configured correctly. Look for dependable driver support, direct monitoring, cue mixes, low-latency routing, and enough independent outputs for headphones, speakers, reamping, or outboard gear.
Connection and Software Support
USB-C describes the connector more often than the performance standard, so check the actual computer compatibility and bus-power requirements. Confirm support for your operating system, iPad or mobile workflow, MIDI equipment, and preferred recording software.
Who Should Buy Which Audio Interface with Adat Expansion?
Choose a dedicated eight-channel ADAT expander if you already own a suitable USB interface and mainly need more microphone or line inputs. This is often the most cost-effective route for recording drums, ensembles, or additional hardware.
Choose a larger USB interface if you want one central device for computer recording, monitoring, MIDI, and future expansion. Models with multiple ADAT ports provide more flexibility when your setup includes several digital devices or higher channel demands.
A compact interface is the better fit for solo musicians, voice recording, streaming, and travel. It may not provide ADAT itself, but it can be a sensible first purchase if you do not yet need multichannel expansion. For podcasting or hybrid mobile use, prioritize loopback, routing controls, and device compatibility over maximum channel count.