The best audio interfaces 2018: our pick of the best soundcards for beginners and pros

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Whether you want to call it an audio interface or a soundcard, if you make music on a computer, it makes sense to get the best box of I/O tricks that you possibly can.

But what is the best audio interface? Well, the best audio interface for one person might not be the best one for another. You need to decide how many inputs and outputs you need and if you require DSP, whether you want MIDI connectivity, if you’re going to do any mobile music making and, of course, how much money you want to spend.

So, there are lots of best audio interfaces - it all depends on your requirements and budget. Whether you're looking for the best budget audio interface or something from the top end, read on for MusicRadar’s picks of the current crop.

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1. Audient iD4

The best budget audio interface

Launch price: $199/£119/€133 | Connectivity: USB 2 | Audio resolution: 24-bit/96kHz | Analogue inputs: 2 | Analogue outputs: 2 | Digital connectivity: None | MIDI I/O: No

Great value for money
Excellent preamp
Well thought-out
There's not much to complain about at this price

The iD4 is a simple two-input/two-output offering featuring a mic preamp - complete with phantom power for using condenser mics - as well as an instrument level DI for plugging in your guitar or bass. On top of this, there’s a main output for your speakers and dual headphone outputs. The whole thing is powered via USB and, with Apple’s camera connection kit, it can also work with an iPhone/iPad. However, the studio devilry is in the detail; Audient has really thought about everything with value and usability in mind, making what is a budget solution feel anything but inexpensive. The best audio interface we’ve seen at this price for a long time.

Read full review: Audient iD4

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2. Focusrite Clarett 4Pre USB

A great home studio workhorse audio interface

Launch price: $600/£550 | Connectivity: USB 2 (Thunderbolt also available) | Audio resolution: 24-bit/192kHz | Analogue inputs: 8 | Analogue outputs: 4 | Digital connectivity: ADAT I/O and S/PDIF I/O | MIDI I/O: Yes

Quality Clarett mic pres
Solid low-latency performance
MIDI I/O
Focusrite Control software needs to be open for full functionality No DSP processing

A couple of years ago, Focusrite’s original Clarett interfaces introduced premium quality mic pres, ISA transformer mic pre mode (Air) and super-low latency operation at a great price. They also required a Thunderbolt-equipped computer - fine for Mac users, but not for Windows. Thankfully, the Clarett Thunderbolt interfaces are now joined by USB versions. Much like the Thunderbolt version, the Clarett 4Pre USB is an 18-input, 8-output interface with MIDI I/O. On the input side, that’s achieved via two combo mic/line/instrument inputs, two combo mic/line inputs, four line-level inputs, stereo S/PDIF and eight channels of ADAT optical. Meanwhile the eight outputs comprise four line-level and two stereo headphone outs. A great all-rounder, the addition of USB brings this high spec’d yet reasonably-priced audio interface to a wider audience.

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3. IK Multimedia iRig Pro Duo

A portable powerhouse

Launch price: $199/£149/€199 | Connectivity: USB 2, Lightning, USB OTG | Audio resolution: 24-bit/48kHz | Analogue inputs: 2 | Analogue outputs: 2 | Digital connectivity: None | MIDI I/O: Yes

Completely portable
Works with mobile devices
Pretty durable
Record two channels simultaneously
Performance issues when battery levels are low

The iRig Pro Pro Duo is IK Multimedia's best mobile audio interface yet. It's got everything you need from a two-channel audio interface - MIDI, phantom power, direct monitoring, signal metering, combi XLR/Hi-Z inputs - and can be either battery- or mains-powered. The Pro Duo also feels more robust than some of its predecessors. The unit comes complete with a plethora of cabling for connecting to your devices of choice, including MIDI breakout cables. One thing we did notice was that, as the batteries ran down, the unit became less stable. This is, of course, only a minor gripe, but if you're out and about, remember to bring spares.

Read full review: IK Multimedia iRig Pro Duo

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4. Arturia AudioFuse

A classy audio interface with a wealth of connectivity options

Launch price: $599/£519/€599 | Connectivity: USB 2 | Audio resolution: 24-bit/192kHz | Analogue inputs: 4 | Analogue outputs: 4 | Digital connectivity: ADAT I/O and S/PDIF I/O | MIDI I/O: Yes

Great sound
Loads of connectivity
Stylish design
Other interfaces with similar levels of I/O are available for substantially less.

AudioFuse is an attractive and portable Mac, PC and iOS-compatible interface with a raft of features. Despite its compact frame, there’s plenty of connectivity on offer. Along the front edge, you’ll find combi inputs and two fully independent headphone feeds. In turn, these can accommodate both mini-jack and 1/4-inch plugs. At the back, there are speaker outputs for two pairs of monitors, line level connectors, MIDI In/Out ports (which, due to size restrictions, have been replaced by mini-jack connectors, which you’ll find in the box) and - for digital interfacing - both S/PDIF and ADAT In/Out. There are also inserts for inputs 1 and 2, allowing you to track through hardware compressors or channel strips. AudioFuse connects via USB 2, but USB connectivity goes further; Arturia has built a USB hub into it, providing three extra USB ports. AudioFuse provides a beautiful and contemporary approach to audio interfacing with a great design, compatibility with a huge range of possible audio sources, a great sound and a highly tactile control set.

Read full review: Arturia AudioFuse

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5. Universal Audio UAD Apollo Twin MkII

High-quality audio and DSP-powered plugins

Launch price: From $699/£600/€699 | Connectivity: Thunderbolt | Audio resolution: 24-bit/192kHz | Analogue inputs: 2 | Analogue outputs: 6 | Digital connectivity: Optical Toslink | MIDI I/O: No

Incredible audio quality
Real-time tracking and monitoring through Unison plugins
Superb UAD-2 plugins.
Thunderbolt only at the moment
No MIDI

Still a desktop-format 2-in/-6-out interface with 24-bit/192kHz capabilities, the Apollo Twin MkII would be almost indistinguishable from the original were it not now black rather than silver. It connects to your Mac or PC via Thunderbolt (there’s no cable in the box), but it has to be powered from the wall. The back panel and front edge house the inputs and outputs, while the top panel centres on a satisfyingly oversized knob. Also a DSP box for powering UAD plugin effects (you can choose from Solo, Duo and Quad options), the Apollo Twin MkII features the same game-changing Unison preamps as its predecessor, fed by the Mic/Line and Hi-Z ins. These enable a gradually expanding subset of UA’s classic hardware emulation plugins to be inserted directly into each input path. This is a musically empowering hardware/software hybrid that's capable of elevating even the humblest of home and project studios to genuinely professional-quality heights, and certainly one of the best audio interfaces you can buy.

Read full review: Universal Audio UAD Apollo Twin MkII 

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6. Antelope Audio Zen Tour

A high-end portable audio interface that guitarists will love

Launch price: $1495/£1415/€1495 | Connectivity: USB 2 and Thunderbolt | Audio resolution: 24-bit/192kHz | Analogue inputs: 8 | Analogue outputs: 8 | Digital connectivity: S/PDIF, ADAT | MIDI I/O: No

Great, latency-free DSP FX
Truly portable
Incredibly flexible
Only one compressor 

Antelope doesn't tend to scrimp on the quality of its products and the Zen Tour is no exception. It’s very compact given how much functionality it offers, and feels solid. It has a small but useful touchscreen which enables you access to all the basic functions of the unit, with the likes of input gains, headphone levels and talkback directly accessible using buttons on the front panel and the large 'soft' knob. At the front are two headphone outs, two re-amping outs and four line/Hi Z inputs, all on 1/4-inch jacks. To the rear are four dual XLR/1/4-inch inputs, two pairs of monitor outs on 1/4-inch jacks, eight analogue outs on a DB25, two RCA sockets for S/PDIF in and out, a power connector and USB and Thunderbolt sockets. On the left-hand side are two pairs of ADAT ins and outs. Once you have the software installed on your computer and connected you are ready to go. There are six amplifier emulations covering vintage to modern and clean to downright filthy. They sound great and, unlike some software emulations, have a great dynamic response. You also get a great range of EQs and a single compressor. If you want a high-quality audio interface for studio, rehearsals and gigs you have to look at this. It sounds great and is supremely flexible.

Read full review: Antelope Audio Zen Tour

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7. Apogee Element 46

Great sound and superb software control

Launch price: $999/£859/€895 | Connectivity: Thunderbolt | Audio resolution: 24-bit/192kHz | Analogue inputs: 4 | Analogue outputs: 6 | Digital connectivity: ADAT, SMUX and S/PDIF I/O | MIDI I/O: No

Sumptuous audio quality and conversion
Element software control
Highly flexible
Expensive
Remote control costs extra
No MIDI I/O

The main Element 46 interface prioritises function over form: it’s an extremely simple and rather plain-looking unit with not an LED or LCD in sight. Don’t let the featureless look throw you, though - the (optional) Remote Control unit might look like the more interesting piece of kit, but that plain grey box plays host to the real action. The real ace up Apogee’s sleeve is that the Element interfaces aren’t actually designed for physical interaction at all - instead, they’re designed to be put to one side on a surface in your studio, with their microphone connections (front-mounted for convenience) the only part you’ll get hands-on with during the recording process. Everything else is handled by software, with that aforementioned Remote Control or a free iOS app providing extra hands-on interaction should you wish. While nearly all of the best audio interfaces now provide software control over hardware, Element Control goes further than most, providing an essential front end to Apogee’s superb preamps and A/D conversion. 

Read full review: Apogee Element 46

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8. Prism Sound Atlas

A pro audio interface at a pro price

Launch price: $4,795/£3,594/€4,799 | Connectivity: USB 2 | Audio resolution: 24-bit/192kHz | Analogue inputs: 8 | Analogue outputs: 8 | Digital connectivity: S/PDIF, ADAT | MIDI I/O: No

Fantastic, studio-level quality
Comprehensive software control
Highly expandable
Definitely for pros only

Prism Sound has quickly developed a reputation as a go-to choice for many professional users and studios seeking exemplary audio quality at the interfacing stage. Atlas is a 2U USB interface with plenty of I/O possibilities, but the extra ace up its sleeve is an MDIO port, which provides additional, flexible interfacing capability. The rear panel shows the internal interfacing capabilities Atlas offers, with eight coveted Prism Sound preamps provided, which allow for either XLR or TRS connections, alongside eight dedicated balanced 1/4-inch outputs. You'll also find digital inputs, with supported formats including S/PDIF and ADAT, meaning that Atlas is capable of recording up to 18 channels at once, at up to 192kHz, though digital track count becomes lower at super-high resolution. In use, Atlas feels like a thoroughbred interface from the moment it's up and running. You can configure some settings from the front panel, but Prism Sound also provides a comprehensive Control application to allow you to set up Atlas's assorted I/O over software. Atlas is a sumptuous interface, offering unparalleled sound quality. Prism Sound's reputation is further enhanced with its arrival and, since the quality of its interfaces was already seen as excellent, that's a glowing endorsement.

Read full review: Prism Sound Atlas