Adding a microphone preamp with ADAT output is one of the simplest ways to expand an audio interface without replacing your existing setup. The right unit can add multiple clean inputs for microphones, instruments, or outboard gear while sending those channels digitally to your interface.
This roundup includes dedicated ADAT expanders, USB interfaces with ADAT connectivity, and compact microphone preamps. Compare channel count, gain range, conversion, clocking, and connectivity to choose an option that fits your studio now and leaves room for future growth.
Best 10 Microphone Preamp with Adat Output Picks for 2026
Best Overall
- Eight Clarett preamps with analogue Air mode
- ADAT, inserts, and eight balanced outputs
- Up to 24-bit/192 kHz operation
Best For: Multi-microphone studio expansion
Best Budget Gain Booster
- Up to 75 dB of microphone gain
- 48V phantom power for condenser microphones
- Balanced XLR and 3.5mm outputs
Best For: Portable and streaming-oriented analogue setups
Best Interface Integration
- Two Clarett+ mic preamps with Air mode
- ADAT optical input for added channels
- USB-C interface with four balanced outputs
Best For: Compact studios planning future ADAT expansion
Best Portable Gain Range
- 0–72 dB adjustable gain with low stated EIN
- Mic and Hi-Z instrument inputs with 48V phantom power
- USB-C and power-bank operation
Best For: Mobile recording and streaming setups
Best for Easy Setup
Focusrite Scarlett 18i20 4th Gen
- Eight mic preamps with up to 69dB of gain
- Dual ADAT plus S/PDIF, MIDI, and Word Clock
- 24-bit/192kHz converters and automatic level tools
Best For: Multitrack studios needing extensive I/O and expansion
Best for Everyday Use
- 19–66dB variable gain with stated -120dBV EIN
- 1MΩ instrument input for DI use
- Portable Type-C power and flexible outputs
Best For: Adding one channel of portable mic or instrument gain
Best Value Rack Interface
Behringer UMC1820 with ADAT I/O
- Eight MIDAS-designed preamps with phantom power
- 18 inputs and 20 outputs via USB
- ADAT I/O and 24-bit/96kHz recording
Best For: Affordable multichannel recording and digital expansion
Flexible Gain Booster
- Up to 60dB of gain
- 48V support for condenser mics
- XLR, 3.5mm, and 6.35mm outputs
Best For: Analog home-studio, podcasting, and live-streaming setups
ADAT Expansion Pick
Behringer ADA8200 8-Channel Preamp
- Eight microphone preamp channels
- ADAT optical output
- 24-bit conversion at 44.1/48kHz
Best For: Expanding compatible interfaces for multichannel recording
Portable Studio Option
- 20dB high-gain preamp
- 5V/48V support
- 3.5mm, 6.35mm, and XLR interfaces
Best For: Portable analog recording, podcasting, and streaming
Best Overall – Focusrite Clarett+ OctoPre
If you need a microphone preamp with ADAT output for expanding a compatible recording setup, the Focusrite Clarett+ OctoPre is a strong studio-oriented choice. It provides eight Clarett preamps, relay-controlled analogue Air circuitry, inserts on every channel, and ADAT connectivity at up to 192 kHz.
Best For: Studios that need eight high-quality mic preamps and flexible ADAT expansion.
Pros:
- Eight preamps with analogue Air mode and low-noise performance.
- ADAT expansion, eight balanced outputs, and inserts on every channel.
- Supports up to 24-bit/192 kHz operation and includes two Hi-Z JFET inputs.
Cons:
- Designed as a studio expander rather than a standalone USB audio interface.
- Heavier and more expensive than compact single- or dual-channel preamps.
The Clarett+ OctoPre is the most capable option here for tracking several microphones at once. Its eight-channel design, inserts, and ADAT output make it especially suitable for a larger interface-based recording system.
Best Budget Gain Booster – JCANOL MIC-1 Preamp
The JCANOL MIC-1 offers substantial clean gain in a compact format, but it is not a microphone preamp with ADAT output. Its connections are focused on balanced XLR and 3.5mm auxiliary outputs, making it better suited to direct microphone, instrument, portable, or streaming setups.
Best For: Users who need affordable high-gain microphone amplification with flexible analogue outputs.
Pros:
- Up to 75 dB of gain and a stated -120 dB EIN noise specification.
- 48V phantom power supports compatible condenser microphones.
- Offers balanced XLR plus independent 3.5mm mic and line outputs.
Cons:
- Does not provide ADAT connectivity.
- The microphone and instrument inputs cannot operate simultaneously.
- Its 3.5mm outputs are less appropriate for conventional multichannel studio expansion.
Choose the MIC-1 when clean gain and portable analogue connectivity matter more than digital expansion. If ADAT is a required part of your system, look to an actual ADAT-equipped interface or preamp instead.
Best Interface Integration – Focusrite Clarett+ 2Pre
The Focusrite Clarett+ 2Pre is a USB-C audio interface with two professional mic preamps and an ADAT optical input. For shoppers seeking a microphone preamp with ADAT output specifically, note that this model receives ADAT expansion rather than transmitting eight preamp channels over ADAT; it works well as the central interface for an added OctoPre.
Best For: Home studios needing a compact USB interface with two preamps and ADAT expansion.
Pros:
- Two Clarett+ preamps with low distortion, low noise, and analogue Air mode.
- ADAT optical input enables up to eight channels of digital expandability.
- Includes JFET instrument inputs, four balanced outputs, and USB-C bus power.
Cons:
- It has an ADAT input, not an ADAT output for sending its own preamp channels.
- Only two microphone preamps are built in.
- USB-C bus power requires a 15 W USB-C port.
The 2Pre is a practical hub for a small recording rig that may grow later. Pairing it with an ADAT preamp such as the Clarett+ OctoPre provides a clear expansion path, but it is not a substitute for an eight-channel ADAT-output preamp.
Best Portable Gain Range – RO-04 Mic Preamp
The RO-04 is a portable analogue mic preamp with adjustable gain from 0 to 72 dB, but it does not include ADAT output. It targets microphones, instruments, podcasting, and streaming with dual output levels, 48V phantom power, and USB-C or power-bank operation.
Best For: Mobile recording, streaming, and users who need flexible gain for dynamic microphones.
Pros:
- 0–72 dB adjustable gain and a stated -120 dBV EIN specification.
- Separate microphone and 1 MΩ instrument inputs with 48V phantom power.
- USB-C and power-bank support improve portability.
Cons:
- Does not provide ADAT connectivity.
- Its dual outputs are designed for professional and mobile/consumer signal matching rather than multichannel digital expansion.
- It provides one mic input, so it is not suited to larger tracking sessions.
The RO-04 makes sense when portability, high gain, and streaming compatibility are priorities. For a microphone preamp with ADAT output, however, you will need a purpose-built digital expander instead.
Best for Easy Setup – Focusrite Scarlett 18i20 4th Gen
For a microphone preamp with ADAT output, the Focusrite Scarlett 18i20 4th Gen is a versatile rackmount interface with eight built-in mic preamps and dual ADAT connectivity. It suits home studios and project rooms that need substantial I/O, modern converters, and straightforward level management.
Best For: Multitrack recording setups that need eight mic preamps, dual ADAT expansion, and broad studio connectivity.
Pros:
- Eight mic preamps with up to 69dB of gain, plus two Hi-Z and eight line inputs.
- Dual ADAT, S/PDIF, MIDI I/O, and Word Clock support integration with expanded systems.
- 24-bit/192kHz converters with a stated 122dB dynamic range.
- Auto Gain, Clip Safe, and Air modes support efficient recording workflows.
Cons:
- Its extensive I/O and rackmount design may be more than a small setup requires.
- It connects to a computer via USB rather than functioning as a standalone preamp.
The Scarlett 18i20 is the most complete choice here for users who want a microphone preamp with ADAT output alongside a full recording interface. Its eight preamps and expansion options leave room to grow, while the included software adds immediate value.
Best for Everyday Use – RO03 Mic Preamp
The RO03 is a compact single-channel mic preamp for adding gain before an audio interface, mixer, or PA system. It is worth considering when you need a portable solution for dynamic, condenser, ribbon, or instrument sources, but it is not a microphone preamp with ADAT output itself.
Best For: Budget-conscious vocalists, instrumentalists, and mobile users needing a portable one-channel gain stage.
Pros:
- Offers a practical 19–66dB gain range and a stated -120dBV EIN.
- Its 1MΩ instrument input is designed for improved DI compatibility.
- Type-C power supports more portable recording setups.
- XLR, TRS, and TS outputs provide flexible connection options.
Cons:
- It has one channel and cannot accept both inputs simultaneously.
- It does not provide ADAT output; connection to an interface is recommended through its TRS line input for lower noise.
The RO03 can add useful clean gain at a low cost, especially for sources that need more level before an interface. However, shoppers specifically seeking ADAT expansion should choose an interface such as the Scarlett 18i20 or UMC1820 instead.
Best Value Rack Interface – Behringer UMC1820 with ADAT I/O
The Behringer UMC1820 combines eight MIDAS-designed mic preamps with ADAT I/O in an 18-in/20-out USB audio/MIDI interface. It is a practical microphone preamp with ADAT output for recording microphones and instruments while sending multiple channels to a computer.
Best For: Home studios that want eight mic preamps, ADAT expansion, and high channel counts at a value-focused price.
Pros:
- Eight MIDAS-designed mic preamps include +48V phantom power.
- ADAT I/O supports integration with compatible digital expansion equipment.
- Streams 18 inputs and 20 outputs with low-latency USB connectivity.
- Supports 24-bit/96kHz recording and popular software including Pro Tools, Ableton Live, and Cubase.
Cons:
- Its maximum sample rate is 96kHz rather than 192kHz.
- The supplied notes provide limited detail about features such as automatic gain or onboard sound-shaping modes.
The UMC1820 is a strong value when the priority is combining eight mic preamps and ADAT I/O in one rack-style interface. It offers broad channel capacity and familiar software compatibility, making it a sensible expansion-oriented alternative to more feature-rich models.
Flexible Gain Booster – 3-Input Microphone Preamp
If you need a microphone preamp with ADAT output, this compact VBESTLIFE model is worth separating from true ADAT-equipped interfaces: its supplied connections include XLR, 3.5mm, and 6.35mm outputs, but no ADAT output is listed. It offers up to 60dB of gain, 48V power, and three input channels for compatible recording and streaming setups.
Best For: Home studios, vocal recording, podcasting, and live streaming with analog connections.
Pros:
- Up to 60dB of gain for dynamic microphones.
- Supports both dynamic and condenser microphones with 48V power.
- Provides XLR balanced, 3.5mm, and 6.35mm outputs.
- Compact metal housing weighs about 315g.
Cons:
- No ADAT output is specified in the supplied details.
- Only a 90-day manufacturer warranty is listed.
This is a practical analog preamp for users who prioritize flexible connectors and portable operation. Choose a different model if optical ADAT expansion is essential to your interface setup.
ADAT Expansion Pick – Behringer ADA8200 8-Channel Preamp
Behringer ADA8200 Audiophile 8 In/8 Out ADAT Audio Interface with Midas Mic Preamplifiers
Check Price On AmazonFor anyone specifically shopping for a microphone preamp with ADAT output, the Behringer ADA8200 is the clearest match in this lineup. It combines eight microphone preamplifier channels with 24-bit, 44.1/48kHz conversion and an ADAT optical output for expanding a compatible audio interface.
Best For: Multichannel recording systems that need eight additional microphone inputs over ADAT.
Pros:
- Eight microphone preamplifier channels.
- Includes ADAT optical output for digital expansion.
- Offers 24-bit conversion at 44.1 or 48kHz.
- Uses Midas microphone preamplifiers.
Cons:
- Maximum listed sample rate is 48kHz.
- Its 2.1kg chassis is less portable than compact preamps.
- Requires an ADAT-compatible receiving device for expansion.
The ADA8200 is the practical choice when channel count and optical expansion matter more than portability. Its eight-channel design makes it substantially better suited to drum tracking, ensembles, and larger recording sessions than the two compact analog preamps here.
Portable Studio Option – Compact 48V Mic Preamp
This compact microphone preamp is designed for simple analog microphone amplification, not as a microphone preamp with ADAT output. The supplied specifications list 3.5mm, 6.35mm, and XLR connectivity, 20dB of gain, and 5V/48V support, making it more appropriate for portable vocal, podcasting, and streaming setups.
Best For: Portable home-studio, podcasting, and live-streaming use with dynamic or condenser microphones.
Pros:
- Compact and lightweight at approximately 10.5 ounces.
- Supports dynamic and condenser microphones.
- Includes 5V/48V support and USB power cables.
- Fully balanced circuit is designed for low-noise operation.
Cons:
- No ADAT output is listed.
- Its 20dB gain is lower than the 60dB offered by the other compact preamp.
- Condenser microphone operation with 48V is stated at 3–5 hours.
This model keeps the setup small and straightforward, with useful analog connector options and a sturdy metal case. It is a reasonable portable preamp, but users building an ADAT-based recording system should choose the eight-channel Behringer instead.
How We Picked the Best Microphone Preamp with Adat Output
We focused on practical features that matter when expanding a recording system: the number of microphone inputs, ADAT input and output capability, preamp gain, phantom power, noise performance, sample-rate support, and overall connection flexibility. We also considered whether each product is best suited to a fixed studio rack, a hybrid USB setup, or a compact project studio.
Because the list includes both dedicated expanders and complete USB audio interfaces, check the specifications carefully. Not every product marketed as a microphone preamp provides ADAT output, and some listed models may be better used as standalone gain stages or secondary recording tools.
Quick Comparison
| What to Compare | Best For |
|---|---|
| 8-channel ADAT preamp | Adding several microphones to an existing interface |
| USB interface with ADAT I/O | Recording directly to a computer while supporting expansion |
| Compact one- or two-channel preamp | Extra gain, portable rigs, and isolated sources |
| Budget ADAT converter | Increasing input count at a lower cost |
Key Buying Factors for a Microphone Preamp with Adat Output
Channel Count and Routing
Choose two channels for occasional overdubs or eight channels for drums, ensembles, and larger tracking sessions. Confirm whether every analog input is routed through ADAT and whether the unit supports simultaneous output to its analog and digital connections.
Gain, Noise, and Microphone Compatibility
Dynamic and ribbon microphones often need more clean gain than condensers. Look for a generous gain range and a low equivalent input noise rating. Phantom power should be switchable, ideally per channel or in useful groups, so condenser microphones can be powered without unnecessarily exposing passive ribbon microphones to 48 volts.
Sample Rate and Clocking
ADAT commonly supports eight channels at standard sample rates, but channel capacity can fall at higher rates through S/MUX. Verify compatibility with your interface at 88.2 or 96 kHz. Word-clock or reliable digital clocking can also help prevent clicks and dropouts in multi-device systems.
Connectivity and Controls
Front-panel metering, high-pass filters, polarity switches, and instrument inputs can make tracking easier. If you need a computer recording interface as well as an expander, choose a USB model with ADAT I/O rather than a dedicated converter alone.
Who Should Buy Which Microphone Preamp with Adat Output?
Choose an eight-channel ADAT preamp if your existing interface has spare optical inputs and you want the most efficient way to add microphones. A USB interface with ADAT connectivity is better for a studio that needs a complete computer interface plus future expansion. Compact one- or two-channel preamps suit vocalists, mobile engineers, and users who need extra gain rather than a full bank of inputs.
Before buying, confirm optical-port direction, supported sample rates, clock settings, and included cables. Matching those details to your current interface is more important than choosing the highest advertised gain or the largest feature list.









