Adding a microphone preamp with ADAT output is one of the simplest ways to expand an audio interface without replacing your entire recording setup. The right unit can add multiple mic inputs, cleaner gain, and useful routing flexibility for drums, bands, podcasts, and project studios.
We selected 10 options ranging from dedicated ADAT expanders and channel strips to USB interfaces with digital expansion, focusing on preamp quality, connectivity, gain control, and practical studio value.
Best 10 Microphone Preamp with Adat Output Picks for 2026
Premium ADAT Expansion
- Eight Clarett preamps with Air circuitry
- Eight channel inserts for outboard gear
- Up to 192 kHz conversion and ADAT expansion
Best For: Studios needing premium eight-channel expansion and hybrid routing
Tube Channel-Strip Flexibility
ART VoiceChannel Tube Channel Strip
- Tube preamp for warmth and definition
- Built-in compressor, gate, de-esser, and expander
- ADAT, AES/EBU, S/PDIF, TOSLink, and USB outputs
Best For: Single-channel vocal and voiceover recording with hardware processing
Dynamic Eight-Channel Value
Focusrite Scarlett OctoPre Dynamic
- Eight Scarlett mic preamps with 48V phantom power
- Analog compression on every channel
- ADAT expansion plus Word Clock I/O
Best For: Home studios and live rigs tracking multiple sources
All-in-One Interface Expansion
- Eight MIDAS-designed mic preamps
- 18x20 USB audio/MIDI interface with ADAT I/O
- 24-bit/96 kHz operation and +48V phantom power
Best For: Budget studios wanting USB, MIDI, ADAT, and multiple mic inputs
Flexible Gain Solution
- Up to 72 dB of adjustable gain
- -120 dBV stated EIN for low-noise operation
- USB-C power, 48V phantom, and instrument input
Best For: Mobile recording, podcasting, streaming, and clean gain for dynamic microphones
ADAT Expansion Pick
- Two Clarett+ microphone preamps
- ADAT optical input for eight-channel expansion
- 24-bit/192 kHz support with Air mode
Best For: Compact studios planning to expand inputs with ADAT-compatible equipment
Dynamic Mic Booster
- Adds 29 dB of gain for dynamic and ribbon mics
- Inline XLR plug-and-play design
- Requires 48V phantom power and excludes condenser mics
Best For: Podcasters and streamers needing extra gain from low-output dynamic microphones
Best Expandable ADAT Preamp
- Eight mic preamp channels
- ADAT optical connectivity
- 24-bit conversion at 44.1/48kHz
Best For: Adding eight microphone inputs to an ADAT-equipped interface
Best Full-Featured Interface
Focusrite Scarlett 18i16 4th Gen
- Four mic preamps and ADAT
- 18 inputs and 16 outputs
- 24-bit/192kHz recording support
Best For: Producers needing an ADAT-capable USB studio interface
Best Portable Single-Channel Preamp
- 19–66dB variable gain
- Type-C powered compact design
- XLR/TRS/TS outputs
Best For: Portable analog gain for microphones and instruments
Premium ADAT Expansion – Focusrite Clarett+ OctoPre
The Focusrite Clarett+ OctoPre is a premium microphone preamp with ADAT output for expanding a compatible interface by eight channels. Its Clarett preamps, Air circuitry, inserts, JFET instrument inputs, and high-resolution conversion suit detailed studio tracking and hybrid workflows.
Best For: Project and professional studios that need eight high-quality preamps, outboard inserts, and ADAT expansion.
Pros:
- Eight Clarett preamps with analogue Air circuitry and low-noise performance.
- Eight dedicated inserts support external compressors, EQs, and effects.
- AD/DA conversion supports sample rates up to 192 kHz, with balanced outputs.
- Includes two JFET guitar inputs and the Hitmaker Expansion software bundle.
Cons:
- Costs more than entry-level ADAT expanders.
- Its extensive studio features may exceed the needs of simple channel expansion.
Choose the Clarett+ OctoPre when sound quality and routing flexibility matter as much as channel count. It is particularly compelling for engineers who want to integrate analog hardware while keeping an ADAT-based setup expandable.
Tube Channel-Strip Flexibility – ART VoiceChannel Tube Channel Strip
The ART VoiceChannel combines a tube microphone preamp with ADAT output and comprehensive dynamics processing in one channel strip. It adds compressor, expander, de-esser, and gate controls, along with ADAT Lite-pipe, AES/EBU, S/PDIF, TOSLink, and USB connectivity.
Best For: Vocalists, voiceover engineers, and producers who want tube character and tracking dynamics control on a single input.
Pros:
- Tube preamp design provides warmth and definition.
- Includes compressor, expander, de-esser, and gate processing.
- Offers flexible digital outputs, including ADAT, AES/EBU, S/PDIF, and TOSLink.
- Supports USB direct connection and sample rates up to 192 kHz.
Cons:
- Provides one channel rather than an eight-channel ADAT expansion bank.
- Its channel-strip workflow is less suited to users seeking only straightforward preamp expansion.
The VoiceChannel is a specialized choice for shaping an important source before conversion. Its broad digital connectivity makes it useful when you need a tube preamp with built-in dynamics and more than one integration option.
Dynamic Eight-Channel Value – Focusrite Scarlett OctoPre Dynamic
The Focusrite Scarlett OctoPre Dynamic is a practical microphone preamp with ADAT output for adding eight inputs to a compatible interface. It combines Scarlett preamps with channel compression, instrument inputs, balanced line outputs, and Word Clock I/O for tracking setups that need useful control without a complex workflow.
Best For: Home studios and live-tracking rigs that need eight preamps, basic analog compression, and straightforward ADAT expansion.
Pros:
- Eight natural-sounding mic preamps with 48V phantom power.
- Flexible analog compression is available on every channel.
- Includes two front-panel instrument inputs and eight balanced line outputs.
- Supports up to 192 kHz conversion and external synchronization through Word Clock I/O.
Cons:
- Offers fewer premium preamp and insert features than the Clarett+ OctoPre.
- Compression-focused tracking may not suit users who want completely unprocessed inputs.
For expanding a recording system on a practical budget, the Scarlett OctoPre Dynamic offers a strong feature balance. The built-in compression is especially useful for managing loud sources such as drums while tracking through ADAT.
All-in-One Interface Expansion – Behringer UMC1820
The Behringer UMC1820 is a USB audio/MIDI interface with ADAT I/O and eight MIDAS-designed microphone preamps. Rather than serving only as an ADAT expander, it provides an 18×20 computer interface with 24-bit/96 kHz operation for recording microphones and instruments in a broader studio setup.
Best For: Budget-conscious home studios that need multiple mic inputs, USB recording, MIDI, and ADAT connectivity in one unit.
Pros:
- Eight MIDAS-designed mic preamps with +48V phantom power.
- Provides 18 inputs and 20 outputs over USB with low-latency operation.
- Includes ADAT I/O for integration with compatible digital equipment.
- Supports 24-bit/96 kHz recording and common software such as Pro Tools, Ableton Live, and Cubase.
Cons:
- Its maximum sample rate is 96 kHz, below the Focusrite units listed here.
- It is a complete USB/MIDI interface, so it may be more equipment than needed for ADAT-only expansion.
- The supplied notes do not specify dedicated Word Clock I/O or analog inserts.
The UMC1820 makes sense when ADAT is only one part of the connectivity plan. Its eight preamps, USB interface, MIDI support, and high input/output count provide a versatile foundation for a computer-based recording system.
Flexible Gain Solution – RO-04 Mic Preamp
If you need a microphone preamp with ADAT output, note that the RO-04 is an analog mic and instrument preamp rather than an ADAT-equipped interface. It provides up to 72 dB of adjustable gain, ultra-low noise performance, and separate outputs for professional and consumer/mobile setups.
Best For: Podcasters, streamers, musicians, and users who need clean gain for low-output microphones or instruments.
Pros:
- 0–72 dB adjustable gain supports microphones ranging from dynamic models to quieter sources.
- Very low stated equivalent input noise of -120 dBV helps preserve a clean signal.
- Includes 48V phantom power, high-pass filtering, phase control, and dedicated instrument input.
- USB-C power and power-bank support improve portability.
Cons:
- Does not provide an ADAT output, so it cannot directly expand an ADAT-compatible interface.
- Its two-output design is intended for level matching, not multichannel digital expansion.
The RO-04 is a flexible analog gain booster with useful streaming and mobile features. Choose it for clean, adaptable front-end gain, but select an ADAT-equipped interface if digital optical expansion is essential.
ADAT Expansion Pick – Focusrite Clarett+ 2Pre
For shoppers specifically seeking a microphone preamp with ADAT output, the Focusrite Clarett+ 2Pre is the closest fit here. It combines two Clarett+ microphone preamps with an ADAT optical input, allowing expansion with compatible eight-channel digital equipment such as the Clarett OctoPre.
Best For: Home studios and producers who want high-quality microphone inputs now and an ADAT-based expansion path later.
Pros:
- Two professional Clarett+ preamps offer low noise, low distortion, and substantial headroom.
- ADAT optical input provides eight channels of digital expandability with compatible equipment.
- Air mode adds an analogue high-frequency enhancement and impedance change for vocals and other sources.
- Supports up to 24-bit/192 kHz recording and includes JFET instrument inputs.
Cons:
- The listed ADAT connection is an optical input, not an ADAT output.
- Expansion requires compatible ADAT outboard equipment and appropriate optical connections.
- USB-C bus power requires a 15W USB-C port.
The Clarett+ 2Pre is the strongest choice of these products for an ADAT-centered setup, although its optical connection is designed to receive expanded channels. Its two preamps, Air mode, and high-resolution converters make it a capable compact studio interface.
Dynamic Mic Booster – StudioMan DPM1 XLR Preamp
The StudioMan DPM1 is a compact inline gain booster, not a microphone preamp with ADAT output. It adds 29 dB of stated gain for low-output dynamic and ribbon microphones before the signal reaches an interface or mixer, helping avoid excessive gain from a noisy input stage.
Best For: Podcasters, streamers, and live or studio users pairing a low-output dynamic or ribbon microphone with an interface that supplies phantom power.
Pros:
- Adds 29 dB of clean, transparent gain for compatible low-output microphones.
- Compact plug-and-play XLR design works between a microphone and interface or mixer.
- Metal housing provides durability and interference shielding.
- One-year manufacturer warranty and stated technical support are included.
Cons:
- Does not offer ADAT output or any digital connectivity.
- Requires 48V phantom power from the connected interface or mixer.
- Not intended for condenser microphones; phantom power does not pass to the microphone.
The DPM1 is a simple, affordable way to add gain to a suitable dynamic or ribbon microphone. It is useful when your existing interface needs more level, but it is not a replacement for an ADAT-capable preamp or interface.
Best Expandable ADAT Preamp – Behringer ADA8200
Behringer ADA8200 Audiophile 8 In/8 Out ADAT Audio Interface with Midas Mic Preamplifiers
Check Price On AmazonIf you need a microphone preamp with ADAT output to expand an existing interface, the Behringer ADA8200 provides eight mic preamps alongside ADAT optical connectivity. It supports 24-bit conversion at 44.1 or 48kHz and uses XLR inputs for multichannel recording setups.
Best For: Home studios and project rooms that need eight additional microphone inputs through ADAT.
Pros:
- Eight microphone preamplifier channels
- ADAT optical input and output for digital expansion
- 24-bit 44.1/48kHz AD/DA conversion
- Uses Midas microphone preamplifiers
Cons:
- Maximum sample rate is 48kHz
- Designed primarily as an expansion unit rather than a complete USB recording interface
The ADA8200 is a practical choice when channel count matters more than high sample rates. Confirm that your main interface supports compatible ADAT connectivity before buying.
Best Full-Featured Interface – Focusrite Scarlett 18i16 4th Gen
The Focusrite Scarlett 18i16 is a broader recording solution for shoppers seeking a microphone preamp with ADAT output plus USB connectivity. It combines four mic preamps with Hi-Z inputs, eight line inputs, ADAT, S/PDIF, and MIDI I/O, while supporting recording up to 24-bit/192kHz.
Best For: Producers who want ADAT expansion, computer recording, and multiple analog input types in one interface.
Pros:
- Four mic preamps with up to 69dB of gain
- Includes ADAT, S/PDIF, MIDI, Hi-Z, and line connectivity
- 24-bit/192kHz converters with a stated 122dB dynamic range
- Air modes, Auto Gain, and Clip Safe support workflow flexibility
Cons:
- Only four built-in microphone preamps, compared with dedicated eight-channel expanders
- Requires USB connection and external power supply for the complete setup
Choose the Scarlett 18i16 if you need more than an ADAT preamp alone. Its combination of computer connectivity and expansion ports makes it a flexible centerpiece, though it may be more equipment than a simple channel expander requires.
Best Portable Single-Channel Preamp – Rodyweil RO03 Mic Preamp
The Rodyweil RO03 is a compact single-channel mic preamp for users who want extra gain before an audio interface or mixer. It offers 19–66dB of gain, XLR/TRS/TS outputs, Type-C power, and support for dynamic, condenser, ribbon, and instrument sources—but it does not provide ADAT output.
Best For: Portable vocal or instrument setups that need a low-cost gain stage before a compatible interface’s TRS line input.
Pros:
- Variable 19–66dB gain range
- Stated -120dBV EIN and 1MΩ instrument input impedance
- Compact 400g design with Type-C power input
- XLR, TRS, and TS output options
Cons:
- No ADAT output, so it cannot directly serve as a digital ADAT expander
- Only one input channel
- The two input ports cannot operate simultaneously
The RO03 is worth considering when portability and basic analog gain are the priority. For a true microphone preamp with ADAT output, however, pair your search with a dedicated digital expander such as the ADA8200 instead.
How We Picked the Best Microphone Preamp with Adat Output
We compared the selected models by looking at the features that matter most when expanding a recording rig: the number of simultaneous inputs, ADAT compatibility, preamp noise performance, available gain, phantom power, monitoring options, and connection flexibility. We also considered whether each product is best suited to a dedicated interface expansion role, a standalone channel-strip workflow, or an all-in-one USB recording setup.
Compatibility was another priority. ADAT typically carries up to eight channels at 44.1 or 48 kHz, while higher sample rates may reduce the available channel count through S/MUX. Confirm that your audio interface has an optical ADAT input and supports the sample rate and channel configuration you plan to use.
Quick Comparison
- Best overall expansion: Focusrite Clarett+ OctoPre, with eight inputs and a strong feature set for serious project studios.
- Best value ADAT expander: Behringer ADA8200, offering eight mic preamps and optical expansion at a budget-friendly price.
- Best for dynamics control: Focusrite Scarlett OctoPre Dynamic, which adds compression to selected channels.
- Best hybrid setup: Behringer UMC1820 or a Focusrite USB interface, combining computer connectivity with expansion potential.
- Best for one microphone: The RO-04, RO03, or StudioMan compact preamps when you need gain rather than eight additional inputs.
Key Buying Factors for a Microphone Preamp with Adat Output
Input Count and Workflow
Choose an eight-channel unit if you regularly track full drum kits, ensembles, or multiple performers. A two-channel interface or compact single-channel booster may be more practical for voiceover, streaming, or a small overdub setup.
Gain, Noise, and Microphone Compatibility
Dynamic and ribbon microphones can require substantial clean gain, while condensers need stable 48V phantom power. Look for low equivalent input noise and enough headroom to avoid running the preamp at its limit. Phantom power should be switchable and used carefully with passive ribbon microphones.
ADAT, Sample Rates, and Clocking
Check optical input and output requirements, channel count at 96 kHz, and clocking options. For dependable multichannel recording, the preamp and interface should share a stable digital clock, usually through ADAT or a dedicated word-clock connection when available.
Controls and Monitoring
Front-panel metering, high-pass filters, phase controls, direct monitoring, inserts, and onboard compression can make tracking easier. These extras are especially valuable when recording several sources at once.
Who Should Buy Which Microphone Preamp with Adat Output?
Choose the Clarett+ OctoPre if you want a polished, flexible eight-channel expansion for an established studio. The Scarlett OctoPre Dynamic is a better fit when simple onboard compression is useful during tracking, while the ADA8200 suits budget-conscious users who mainly need additional ADAT inputs.
Consider the UMC1820 or a Focusrite USB interface if you need a complete computer recording system as well as expansion. The ART VoiceChannel is aimed at users who prefer a more hands-on channel-strip approach for a lead vocal or instrument. Compact RO-04, RO03, and StudioMan units make sense when the main problem is insufficient clean gain for one microphone—not a shortage of multichannel inputs.