Best Thunderbolt Audio Interface | Reviews & Buying Guide

Thunderbolt audio interfaces are essential tools for anyone serious about professional recording, offering faster data transfer rates and ultra-low latency compared to USB alternatives. They connect your microphones, instruments, and other audio gear to your computer, allowing you to record high-quality sound with incredible efficiency.

If you’re setting up a home studio or upgrading your current gear, choosing the right Thunderbolt interface is crucial. With numerous options available, each with unique features, it can be overwhelming to pick the one that meets your needs. In this guide, we’ll dive into the top Thunderbolt audio interfaces on the market, analyzing their strengths and helping you find the best fit for your setup.

Top 3 Factors To Consider:

• Number of Inputs and Outputs: Depending on your setup, consider the number of inputs and outputs you need. Basic interfaces often have 2-8 inputs, while more advanced ones offer up to 32, allowing flexibility for different recording environments.
• Preamp Quality: High-quality preamps can significantly affect sound clarity and noise reduction. Look for interfaces with Class A or Unison preamps that offer more headroom and cleaner audio capture.
• AD/DA Converter Quality: Superior AD/DA conversion ensures accurate audio capture and playback. Most professional interfaces provide 24-bit/192kHz converters, which are ideal for detailed sound reproduction and mixing.

Overview Of The Best Thunderbolt Audio Interface

Product Name	Preamp Quality	Number of Inputs and Outputs	Buy Now
Focusrite Scarlett 18i20 3rd Gen Audio Interface	8 Scarlett Mic Preamps	18 inputs / 20 outputs	Check On Amazon
Universal Audio Volt 2 Audio Interface	2 Vintage Mic Preamp Mode	2 inputs / 2 outputs	Check On Amazon
Arturia MiniFuse 1 Audio Interface	1 High-Quality Preamp	1 input / 2 outputs	Check On Amazon
Solid State Logic SSL2+ Audio Interface	2 SSL Mic Preamps	2 inputs / 4 outputs	Check On Amazon
Antelope Audio Zen Go Synergy Core Audio Interface	2 Discrete Ultra-Linear Preamp	4 inputs / 8 outputs	Check On Amazon
PreSonus Quantum 2626 Audio Interface	8 XMAX Analog Preamps	26 inputs / 26 outputs	Check On Amazon
Universal Audio Apollo X6 Audio Interface	2 Unison-Enabled Mic Preamps	16 inputs / 22 outputs	Check On Amazon
PreSonus Quantum 26x32 Audio Interface	8 Recallable Class A XMAX Preamps	26 inputs / 32 outputs	Check On Amazon

Best Thunderbolt Audio Interface| Reviews

1. Focusrite Scarlett 18i20 3rd Gen Audio Interface

With eight mic preamps, the Audio Interface from Focusrite has enough versatility for everything from home studios to more advanced setups. The inclusion of Air mode gives your recordings that extra sparkle, especially on vocals and acoustic instruments. If you’ve ever struggled with audio interfaces that can’t handle your mic’s sound, this one solves that problem nicely. The converters offer 24-bit/192kHz quality, which is solid for capturing fine audio details, whether it’s for music production or podcasting.

This segment has a large number of inputs and outputs. With 18 inputs and 20 outputs, it provides a lot of flexibility for complex setups, and the ADAT expandability makes it future-proof. This is great if you plan to scale your studio down the line. The aluminum casing feels durable, and while it’s a bit on the larger side (which is expected with this many I/O options), it’s still relatively easy to integrate into any studio setup.

Specifications:

• Number of Channels: 18
• Item Weight: 4.67 pounds
• Dimensions: 10.23 x 19 x 1.83 inches
• Converters: 24-bit/192 kHz
• Instrument Inputs: 2 Hi-Z inputs
• Headphone Outputs: 2 with independent control
• Speaker Outputs: 2 with anti-thump switching
• ADAT Expansion: Supports up to 8 additional inputs/outputs
• Material Type: Aluminum
• Voltage: 240 Volts

Pros:

• Eight Air-enabled mic preamps for versatile recording
• Dual headphone and speaker outputs with separate controls
• Low-latency performance perfect for real-time monitoring
• Two Hi-Z inputs for direct guitar recording
• Anti-thump speaker switching is a thoughtful touch

Cons:

• Lacks built-in MIDI support

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2. Universal Audio Volt 2 Audio Interface

The Volt 2 Audio Interface from Universal Audio stands out with its Vintage Mic Preamp mode, which adds a rich, analog-style warmth to your recordings. This feature sets it apart from other two-channel interfaces in this price range, giving you a much fuller sound without needing extra gear. The 24-bit/192kHz converters provide excellent sound clarity, so whether you’re recording vocals, instruments, or podcasts, you get studio-level quality in a more affordable package.

It’s bus-powered via USB, which means you don’t need an external power source, making it perfect for mobile setups. Whether you’re recording on the go or in a small home studio, this interface is super convenient. Plus, the bonus of MIDI connections is great for anyone working with keyboards or other MIDI gear. In terms of price and functionality, the Volt 2 is a solid pick for anyone looking for high-quality audio without the high price tag.

Specifications:

• Supported Software: Ableton, Melodyne, Virtual Drummer, Marshall, Ampeg
• Number of Channels: 2
• Item Weight:43 pounds
• Dimensions:85 x 5.12 x 2.09 inches
• Converters: 24-bit/192 kHz
• Mic Preamp Mode: Vintage Mic Preamp mode
• Headphone Amp: Studio-quality
• Software Bundle: Includes Ableton, Melodyne, UJAM Virtual Drummer, and more
• Phantom Power: 48V

Pros:

• Vintage Mic Preamp mode adds warmth to recordings
• USB bus-powered for portability
• MIDI support for working with instruments like keyboards
• Studio-quality headphone amp
• Includes software like Ableton and Melodyne

Cons:

• No ADAT expansion for additional inputs

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3. Arturia MiniFuse 1 Audio Interface

Compared to some other budget options the MiniFuse 1 delivers high-quality sound for its price. It comes with 24-bit/192kHz converters, which give you studio-grade audio. The single-input combo port supports microphones, instruments, and line-level devices, so you get flexibility despite the minimal I/O. While it only has one XLR input, the preamp quality was surprisingly good, especially with the 48V phantom power for condenser mics. For those looking for something straightforward, it covers the essentials nicely without overwhelming you with unnecessary features.

You get Ableton Live Lite, Analog Lab Intro, and even Guitar Rig 6 LE, which are great tools to get started with production right away. If you’re just starting out or learning the ropes of music production, this extra software is a real bonus. The Loopback feature is useful for podcasters or content creators who need to capture system audio alongside their voiceovers. Overall, the MiniFuse 1 is a solid, budget-friendly option for people who need just one input and don’t require an overly complex setup.

Specifications:

• Number of Channels: 2
• Product Dimensions:98 x 4.02 x 1.65 inches
• Weight:6 ounces
• Converter Quality: 24-bit/192kHz
• Phantom Power: 48V
• USB Hub: 1 USB Type A hub (250mA)
• Headphone Outputs: 1 with volume control
• Inputs: 1 combo Mic/Inst/Line XLR input
• Outputs: 2 balanced 1/4″ TRS line outputs

Pros:

• Phantom power supports condenser microphones
• Loopback feature for content creators and podcasters
• MIDI support for additional instruments
• Headphone output with independent volume control

Cons:

• There are no direct controls for EQ or compression

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4. Solid State Logic SSL2+ Audio Interface

The SSL2+ from Solid Statre comes with two preamps that really deliver clear, pristine audio, and the unique Legacy 4K mode adds a touch of analog warmth that SSL is known for. This feature is particularly useful for anyone looking to add some extra character to their recordings without using external gear or plugins. The setup is straightforward, and since it’s bus-powered, you can easily integrate it into any home or mobile studio without needing extra power.

You get four outputs, which is a rare find in this price range. This makes it perfect for those who need a little more routing flexibility, whether it’s for external monitors or other studio gear. The dual headphone outputs are also a great addition, making it easy to collaborate with another person without needing a headphone splitter. The layout is intuitive, with clearly labeled knobs and buttons, so you’re not fumbling around to find the right control. The Legacy 4K button is right on the front panel, allowing you to switch between a clean, modern sound and the vintage analog vibe in an instant.

Specifications:

• Number of Channels: 2
• Product Dimensions: 11 x 8 x 4 inches
• Weight:6 pounds
• Converter Quality: 24-bit/192kHz
• Preamps: SSL-designed, high-quality preamps
• Phantom Power: 48V
• Outputs: 4 total, including balanced TRS
• Inputs: 2 XLR/TRS combo inputs
• Headphone Outputs: 2, high-current grade
• Legacy 4K Mode: Yes, for analog warmth
• USB Type: USB 2.0

Pros:

• Four outputs offer extra routing flexibility
• Dual headphone outputs for collaborations
• Low noise performance on the preamps
• Direct monitoring option for real-time playback

Cons:

• No onboard DSP for real-time effects

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5. Antelope Audio Zen Go Synergy Core Audio Interface

The metal housing of the Antelope Audio Zen gives it a solid feel, so if you’re constantly moving from one location to another, you won’t have to worry about damaging it. It’s lightweight but feels durable enough to handle some wear and tear. We appreciate the lack of unnecessary buttons on the interface. Instead, you get an intuitive, straightforward layout, which makes it easier to focus on your work. For creators who want high-quality audio without the fuss, this interface is a good option.

The sound quality is top-notch, with 24-bit/192kHz converters that give you clear, detailed recordings, even in less-than-ideal environments. With its 37 onboard analog-modeled effects which include everything from compressors to reverbs, allow you to add professional polish to your recordings without needing any additional plugins. For podcasters, the effects can help add richness and clarity to your voice, making your show sound like it was recorded in a professional studio. We also found the preamps to be quite good for the price, especially if you’re recording vocals or acoustic instruments.

Specifications:

• Connector Type: Thunderbolt 3
• Number of Channels: 4
• Preamp Quality: High-quality preamps
• Converter Quality: 24-bit/192kHz AD/DA
• Inputs/Outputs: 4×8 I/O
• Product Weight:54 pounds
• Product Dimensions:6 x 7.8 x 2.3 inches
• Onboard Effects: 37 analog-modeled effects
• Expandability: 50 optional effects

Pros:

• Phantom power for condenser mics
• Low-noise, high-quality preamps
• Thunderbolt 3 for fast data transfer and low latency
• Separate headphone output with volume control

Cons:

• No MIDI input/output

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6. PreSonus Quantum 2626 Audio Interface

The eight XMAX analog preamps on the front of the Presonus Quantum 2626 deliver high-quality, clean audio. This means whether you’re plugging in mics, guitars, or synths, you get pristine sound. Compared to some other interfaces in its class, the preamps here have a dynamic range of 120dB, which gives you a lot of headroom. The 24-bit/192kHz converters also deliver clear, detailed audio. It’s pretty clear this interface is meant for serious recording setups—if you’re running a home studio or small professional studio, the Quantum 2626 could easily be your go-to interface.

With 26 inputs and 26 outputs, this interface can handle large setups with ease. You can record an entire band with ease or even expand it via ADAT Optical to integrate additional gear. This level of flexibility is something you just don’t find in lower-tier interfaces, and it makes this product a beast in terms of functionality. The dual headphone outputs also come in handy when collaborating with other musicians or engineers, saving you from needing an external headphone amp.

Specifications:

• Supported Software: ADAT
• Connectivity Technology: Thunderbolt 3
• Number of Channels: 26
• Preamp Quality: 120dB dynamic range
• Converter Quality: 24-bit/192kHz
• Latency: Less than 1ms round-trip
• Inputs/Outputs: 26×26 I/O
• Main Outputs: ¼” TRS Left and Right
• Line Outputs: 8 DC-coupled ¼” TRS
• Headphone Outputs: 2 with volume control
• Expansion: Dual ADAT Optical
• Product Weight: 5 pounds
• Product Dimensions:5 x 19 x 1.75 inches

Pros:

• Super-fast Thunderbolt 3 connection
• Less than 1ms round-trip latency
• Dedicated line-level returns for output gear
• Dual headphone outputs for collaborations

Cons:

• No built-in DSP effects

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7. Universal Audio Apollo X6 Audio Interface

The 24-bit/192kHz conversion of the Universal Audio Apollo X6 ensures your recordings come out crystal clear. The Apollo X6 offers 16 inputs and 22 outputs, which gives you plenty of room to work with larger setups, whether you’re tracking a full band or working with a lot of external gear. It’s one of those devices where every feature feels purposeful, from the surround sound capabilities (up to 5.1) to the two Unison-enabled preamps that let you emulate some of the most famous preamps out there, like Neve or SSL.

The Realtime UAD HEXA Core Processing allows you to record with near-zero latency, even while using multiple UAD plug-ins. This is a game-changer for anyone who likes to add effects and processing while recording. There’s no lag, and the processing power is more than enough to handle complex projects. We compared it to the PreSonus Quantum, and while the Quantum also boasts ultra-low latency, the Apollo X6’s built-in UAD plug-ins and LUNA integration give it a major edge, especially for those who are already invested in the Universal Audio ecosystem.

Specifications:

• Input/Output: 16 inputs, 22 outputs
• Preamp Quality: 2 Unison-enabled preamps
• AD/DA Conversion: 24-bit/192kHz
• Processing Power: UAD HEXA Core Processing
• Software Integration: LUNA Recording System (Mac only)
• Monitor Control: Alt Speakers, Talkback mic, Dim/Mono control
• Headphone Outputs: 2
• Input Type: XLR and ¼” combo jacks
• Weight:12 pounds
• Dimensions: 19 x 13.5 x 1.8 inches

Pros:

• HEXA Core processing for UAD plug-ins
• LUNA integration for seamless recording workflow
• Unison preamps emulate famous hardware preamps
• UAD plug-ins offer high-quality processing
• Alt Speakers and Talkback mic make monitoring easy

Cons:

• Only 2 Unison-enabled preamps

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8. PreSonus Quantum 26×32 Audio Interface

With ultra-low latency due to its Thunderbolt 3 connection the PreSonus Quantum 26×32 is a fast interface. This is especially handy if you’re doing real-time tracking with multiple musicians or running complex virtual instrument sessions. Compared to other interfaces in its class, like the Apollo X6, the Quantum focuses more on pure speed and high channel count, offering 26 inputs and 32 outputs, which makes it a beast for larger setups.

The XMAX preamps on this unit are also solid performers. You get eight recallable preamps, which is more than enough for most mid-level studio setups. The preamps deliver a clean, transparent sound that works well for both vocals and instruments. If you’re someone who likes to have a lot of I/O flexibility, this interface will impress you. Unlike the Apollo X6, which focuses more on onboard processing and plug-ins, the Quantum is all about delivering raw audio power with fewer distractions. It’s a no-nonsense interface that puts performance first.

Specifications:

• Input/Output: 26 inputs, 32 outputs
• Preamp Quality: 8 recallable XMAX preamps
• AD/DA Conversion: 24-bit/192kHz
• Latency: Ultra-low latency
• Connectivity: Thunderbolt 3
• Expandable: Up to 96×96 I/O via ADAT Optical
• Monitoring Controls: Mute, Dim, Mono, Talkback
• ADAT Optical: Dual I/O for expansion
• Headphone Outputs: 2 with dedicated volume
• Software: Studio One Artist and Studio Magic Plug-in Suite included
• Control Section: Assignable output level control
• Main Outputs: 2 ¼” TRS (DC coupled)
• Line Outputs: 8 ¼” TRS (DC coupled)
• Weight: 6 pounds
• Dimensions: 7 x 19 x 1.75 inches

Pros:

• Transparent sound with XMAX preamps
• Dual ADAT Optical I/O for more channels
• Can stack up to four Quantum units
• Talkback mic included

Cons:

• No DSP effects or UAD plug-ins

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Buying Guide For Thunderbolt Audio Interface

When choosing the best Thunderbolt audio interface, there are several technical factors you need to look at closely. This guide will walk you through the important specifications so you can make an informed decision. Below are the critical factors to consider:

1. Number of Inputs and Outputs: Inputs are the ports where you connect instruments, microphones, or other audio sources. Outputs are where the audio is sent out, such as speakers or headphones.

• For basic home studios, 2–4 inputs and 2–4 outputs may be enough.
• If you plan on recording multiple instruments simultaneously (like a full band), you’ll need an interface with at least 8–12 inputs and 6–8 outputs.
• High-end professional studios may require interfaces with 16–32 inputs and 16+ outputs. Some interfaces offer expandability via ADAT or other optical connections, allowing you to chain multiple interfaces together for even more I/O options.
• Look for interfaces that offer combo inputs, which support both XLR (for microphones) and ¼” jacks (for instruments).

2. Preamp Quality: Preamps amplify the signal from microphones and instruments to a usable level before converting it to digital.

• Higher-quality preamps provide cleaner amplification with less noise. Look for interfaces with Class-A preamps for better sound clarity and fidelity.
• Some preamps come with gain recall features, which allow you to save and recall specific settings—useful for consistency across sessions.
• Unison-enabled preamps or similar technologies allow emulation of famous hardware preamps (like Neve or SSL), which can be a major selling point for professional producers.
• If you plan to record vocals or sensitive instruments like acoustic guitars, high-quality preamps will make a noticeable difference in the recording.

3. AD/DA Converter Quality: Analog-to-Digital (AD) Converters convert the incoming analog signal to digital for processing. Digital-to-Analog (DA) Converters convert it back to analog for playback.

• Look for converters with 24-bit/192kHz resolution as the standard for professional-grade audio. This provides greater dynamic range and better detail in your recordings.
• Some interfaces have more advanced converters with higher dynamic ranges, up to 120 dB or more. This ensures better detail in both quiet and loud parts of your recordings.
• Conversion quality is key to maintaining the fidelity of your sound from the moment it’s recorded to the final playback.

4. Latency:

• Latency refers to the delay between the time you play a sound and when you hear it in your headphones or speakers.
• Thunderbolt interfaces are known for their low latency, which is crucial for real-time monitoring and recording. Some interfaces boast near-zero latency, especially those with DSP (Digital Signal Processing).
• Ideally, you want an interface with latency under 3 ms for tracking. Some interfaces with onboard processing (like UAD HEXA Core) allow real-time effects without increasing latency.
• For virtual instruments and effects, latency can affect the performance, so the lower, the better.

5. Connectivity:

• Thunderbolt 3 is the standard for modern audio interfaces, offering fast data transfer rates of up to 40 Gbps. This ensures smooth, low-latency audio performance.
• If you’re working on an older system, check for backwards compatibility with Thunderbolt 1 or 2, or ensure you have the necessary adapters.
• Some interfaces offer additional connections like ADAT Optical, S/PDIF, MIDI I/O, and Word Clock. These allow for more flexibility if you’re planning to expand your setup with external hardware.
• Bus-powered interfaces use power from your computer, which can be convenient for mobile setups, but most larger, pro-level interfaces require external power supplies.

FAQs:

Conclusion

With so many options available, understanding the key factors like inputs/outputs, preamp quality, AD/DA conversion, latency, and connectivity is essential when picking the right Thunderbolt audio interface. Hopefully, this guide has given you a clear understanding of what to look for and will help you make an informed decision that best fits your needs and recording setup.