Volt 4 USB Recording Studio
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Supercharge your music with legendary sound.
Start recording right out of the box with a high-quality 4-in / 4-out USB audio interface, award-winning DAW, and suite of UAD plug-ins and instruments including classic Teletronix LA‑2A compressors and Pultec EQs, plus new favorites like PolyMAX Synth, Century Tube Channel Strip, and Oxide Tape Recorder.
Built with timeless UA analog sound, Volt 4 USB Recording Studio gives you the sound of your favorite records.Get the rich, full album-ready sound of UA’s classic 610 preamps with Vintage mode
Capture every detail and nuance of your performance with up to 24-bit / 192 kHz quality and crystal clear converters
Record and mix with the award-winning LUNA Digital Audio Workstation, giving you the sound and workflow of a real analog studio
Create using the same UAD plug-ins and instruments trusted by top industry pros for the sound of your favorite records
Level up your recording and mixing skills with tips and tutorials for beginners to advanced users
Take Volt anywhere with support for MacOS, Windows, iPad, iPhone (iOS 14+) for laptops, desktop, and mobile recording
Record with Studio-Quality Sound at Home
Powered by Universal Audio’s award-winning preamp and converter technology, Volt elevates any recording with pro studio sound, even for those just starting.
Get Analog Warmth with Vintage Mic Preamp Mode
Plug in your mic or instrument, press the Vintage button, and experience the rich, full sound of the renowned UA 610 tube preamp — one of the most recorded mic preamps of all time.
Sound Like Your Favorite Records
We designed LUNA to bring the sound of classic tape machines and analog mixing consoles into a modern DAW, with intuitive workflows and unlimited track counts to capture your wildest ideas.
Record & Mix with Premium UAD Plug-Ins
Mix like the pros with a suite of UAD plug-ins and instruments including classic Teletronix LA‑2A compressors and Pultec EQs, plus new favorites like PolyMAX Synth, Century Tube Channel Strip, Galaxy Tape Echo, Pure Plate Reverb, Oxide Tape Recorder, and Verve Analog Machines Essentials.
See Included Software for Mac & PC ›Level up Your Production Skills
From beginner tutorials to advanced techniques, Volt 4 USB Recording Studio includes tons of helpful content to get you up and running fast, plus a 3-month trial of PureMix Pro.
Inspiration Comes Quick. Watch the Videos.
Desktop 4-in / 4-out USB audio interface with 2 preamps and class-leading 24-bit / 192 kHz audio conversion
Vintage Mic Preamp mode for recording your voice, guitar, or any instrument with the rich, full sound of an iconic UA tube preamp
Listen in realtime as you record with Direct Monitoring for latency-free recording
Bus-powered and class-compliant for hassle-free set-up with Mac, PC, iPad, and iPhone using the included USB-C to USB-A cable
Studio-quality headphone amplifier for loud, clear monitoring
48V phantom power for condenser microphones
Stylish, rugged construction built to withstand years of use
Connect MIDI controllers, synths, and drum machines through the onboard 1-in / 1-out MIDI connection
UA Connect App & Owners Manual
*Requires external Volt power supply and an Apple Lightning to USB Camera Adapter (except iPads with USB-C).Customer Reviews
S. Duvernois
July 16, 2024
awesome for home studio
the interface is awesome and everything I have used it for has turned out sounding great!
Read MoreP. Bohak
July 10, 2024
Love this interface
Besides looking cool, it can handle up to 6 outputs. If you're needing 5.1 surround sound capability this will provide. I also dig the vintage preamp options for recording.
Read MoreA. Cox
June 27, 2024
Great for recording or live via DI
The interface pairs well with the UA-4-710d for recording drums or a range of studio instruments. I also use the Volt-4 to connect my laptop to a DI for live performances. Overall, very...
Read MoreM. Cristea
May 10, 2024
5 Stars
The best Audio Interface that I used. Great sound, easy to use, a lot of mixing possibilities. Congratulation UA!
Read MoreT. Avander
January 27, 2024
Outstanding product and company
Just getting started with this journey and so far I’m just so excited and amazed with UA and this sound card. It has so good sound, the value with the plugins campaign is too good. There...
Read MoreN. Thornton
January 20, 2024
Volt 4
Thanks to Kyle B. in Customer service I was able to redeem my included software which I am ecstatic about… Great work!
Read More -
Included Software for Mac & PC
With UA's award-winning DAW software, 12 premium UAD plug-ins and software instruments, and much more, Volt gives creators everything they need for pro sound, right out of the box
LUNA Digital Audio Workstation
Get your songs sounding like the records you love with LUNA – a next-generation DAW that makes it easy to record, edit, and mix your music. LUNA is the only recording software with the sound of classic studio equipment like analog console summing and tape machine emulations, built right in.
PolyMAX Synth
Our vintage-inspired synth gives producers, sound designers, and musicians fat analog tones from the golden age of polysynthesis. PolyMAX's warm, analog-modeled oscillators and filters, professional UA effects, and curated presets easily fit into any genre — with album‑ready sounds instantly.
Century Tube Channel Strip
Enhance your vocals, guitars, synths, and more with a vintage-style tube mic preamp, simple three-band EQ, and optical compressor designed to give you everything you need to capture "first take" magic.
Pultec Passive EQ Collection
Featuring three astonishingly accurate Pultec EQs that are indistinguishable from the original analog hardware, get the same silky curves used by the engineers of John Mayer, Daft Punk, and Mariah Carey, on your vocals, drums, keys and more.
Teletronix LA-2A Classic Leveler Collection
Get smooth, radio-ready vocals, guitars, and bass with three highly sought-after versions of the most famous optical tube compressor ever made — and the go-to for professional mixers worldwide.
Galaxy Tape Echo
Add subtle tape delay and colorful cacophony to drums, vocals, guitars, and synths with the definitive emulation of an iconic analog contraption used by everyone from Pink Floyd and David Bowie, to King Tubby, Scientist, and Lee “Scratch” Perry.
Pure Plate Reverb
Experience UA's revolutionary plate reverb emulation in a simple, easy-to-use package — with all of the essential features — and give your vocals, guitars, strings, and synths lush, satisfying ambience.
Oxide Tape Recorder
Based on our award-winning Ampex and Studer tape machine emulations, Oxide Tape Recorder gives you the warmth, presence, and vibe of professional analog tape, with only the essential controls, so you can get sounds faster and make everything "sound like a record."
Verve Analog Machines Essentials
Give your recordings the colorful analog saturation and effects heard on countless hip-hop, lo-fi, electronic, rock, and experimental tracks. Designed for the modern musician, beatmaker, and producer — Verve Analog Machines Essentials puts four playful vintage sounds right in your DAW.
Marshall Plexi Classic Amp Bundle by Softube
Create with an expertly modeled version of the iconic British amp that invented the sound of rock. Plus, shape your tones further with the included Softube Time & Tone Bundle, featuring additional reverb, delay, compression, and saturation plug-ins.
Ableton Live Lite
Packed with all the effects, instruments, and features you need to make professional music productions, Live is fast, fluid, and flexible software for music creation and performance.
Melodyne Essential by Celemony
Easily correct the pitch of recordings and samples with quick, intelligent note-based processing, and tune vocal and instrument tracks for more professional-sounding recordings and mixes.
Ampeg® SVT-VR Classic Bass Bundle by Plugin Alliance
Get all the massive, earth-shaking tube tone of Ampeg’s iconic bass amp. Plus, use the bx_tuner for quick tuning and the powerful bx_masterdesk plug‑in to add the final touch to any source.
LX480 Essentials by Relab Development
Add lush dimension and ambience with Relab's expert model of this classic '80s digital reverb unit. You can also add complex delay and modulation textures for space and movement to your tracks.
Virtual Drummer DEEP by UJAM
From classic soul and funk rhythms of the ‘60s and ‘70s to contemporary pop and rock styles, DEEP sports UJAM’s dynamic "round-robin" algorithm, giving you drum tracks that sound like the real thing.
Virtual Bassist DANDY by UJAM
Get classic flatwound bass sounds for soul, pop, blues, and rock tracks with UJAM's custom-made DSP algorithms. DANDY automatically follows the key and chord you play, intelligently selecting musical bass articulations to make your tracks shine.
LABS by Spitfire Audio
Delivering on-the-spot inspiration for music productions, soundtracks, and podcasts, LABS is a curated virtual instrument library that features strings, pianos, percussion, synths, guitars, and more.
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Customer Reviews
Volt 4
c. letendre
plugins are blirry
i love the sound and all but the plugins are not tweables they are blurry
S. Duvernois
awesome for home studio
the interface is awesome and everything I have used it for has turned out sounding great!
P. Bohak
Love this interface
Besides looking cool, it can handle up to 6 outputs. If you're needing 5.1 surround sound capability this will provide. I also dig the vintage preamp options for recording.
A. Cox
Great for recording or live via DI
The interface pairs well with the UA-4-710d for recording drums or a range of studio instruments. I also use the Volt-4 to connect my laptop to a DI for live performances. Overall, very versatile high quality piece of audio equipment. No issues w/ drivers on Mac and the free UA Connect plugins added value to my daw library.
Note: I did change the cable out that came w/ it so I have a usb-c to usb-c setup for my mac, as the unit came w/ a usb-c to usb-a (og-usb) one. It was like $10 to get a more modern cable so nbd!M. Cristea
5 Stars
The best Audio Interface that I used. Great sound, easy to use, a lot of mixing possibilities.
Congratulation UA!T. Avander
Outstanding product and company
Just getting started with this journey and so far I’m just so excited and amazed with UA and this sound card. It has so good sound, the value with the plugins campaign is too good. There are such growth capacity and I have a feeling I will stay with universal audio for a long time ahead in my recording journey. Excited and very happy with this product.
N. Thornton
Volt 4
Thanks to Kyle B. in Customer service I was able to redeem my included software which I am ecstatic about…
Great work!慶. 玄巣
good sound!
いい音出ます！
ただ、説明書がわかりずらかった・・・A. Whalan
Solid product with a few misteps that let it down
The device is built very sturdy and looks amazing! Audio quality seems great without random pops/ hisses on reboots.
The supplied USB is only 1m making it a bit short for my setup where my interface is a bit away from my desktop computer. It also seems very basic/ cheap quality when contrasted with such a tidy interface.
The biggest frustration I had is that you MUST register for an account, then install UA Connect which installs some DRM crap, and THEN you can install the drivers. If you want the "free" plugins, you've got to install even more DRM junk to get them.
The driver does not let you split your inputs into 4 separate mono devices. It'll only treat them as 2x stereo inputs which makes it annoying if you want to use a mic for meetings and the software treats it as a stereo input causing other people to only hear your voice out of one channel. This won't be a drama in a DAW obviously, but just in general day to day usage which shows a disappointing lack of attention to detail.
The device works perfectly on Linux with a few tweaks to PulseAudio config to split up the inputs into 4 devices with the "module-remap-source" module.
If they included a longer, better quality cable and just allowed you to download drivers directly it'd be a 5/5 but forcing me to register an account just to get drivers is uncool. Overall a great product let down by poor execution.C. Jones
Sound Upgrade
Great upgrade for my home studio.
Instrument input makes a huge difference when recording guitar.
U. Sabiniewicz
Excellent
Had nearly every brand past 20 years in this price range.
Coming from an SSL2, now my headphone (AKG 701) sounds like one class higher.
Channel 3+4 could have a bit more input gain. My Minilogue in unisono just makes it to -10db.
Soundwise 3x better than a focusrite 4i4.
B. Mosteanu
Solid product
Up until now I was using a focusrite solo, but I needed more inputs for hardware synths.
Decided to switch to the Volt 4 and it works really well.
Overall I'm pretty happy with it, the only weird issue is that sometimes (rarely) the audio will skip a bit, but it does that only on mac os (m1) so I guess there's something that needs fixing.
I'm only rating this 4 stars because the process of setting the software up and getting the free bundled stuff is really clunky on mac, otherwise great product.S. Girola
Perfect
Great build quality, works perfectly with my Mac M1 and Bitwig, great software bundle, great preamps.
M. Georgiades
UA Connect won't load...can't download the driver
The hardware is great. Sounds good, I like the monitor is separate from inputs 1 and 2. However UA Connect won't load past login preventing me from installing the driver. Without the driver it only works as a generic USB audio device turning inputs 1 and 2 into a stereo mic and preventing it from working with DAWS. If I wanted a fancy headphone amp, I'd have bought a headphone amplifier.
Please the make the Volt drivers and control software directly available until you fix UA Connenct.R. Abercrombie
Good build quality best budget interface
This unit is built like a tank. I bought it for the price, brand name, design and multiple I/O options. It is precisely the same size as a scarlet give or take. BUT SERIOUSLY: the pre amps & output are pretty quiet, perfect for dynamic mics setups. Condenser mics are noisier but we have plugins for that. I LOVE THAT I can hook it up to my iPad or iPhone. It registers as volt 4. That’s pretty fly. HOWEVER, since this unit is geared towards creators, please give us a mobile app. Something that we can use to work on projects while on the go.
D. Colo'
Great preamps quality, great build quality, great software bundle
I chose this interface for the quality of its preamps (with and without vintage mode), for the monitoring capability using four physical buttons and for the software bundle. At this price it is impossible to have more..
Volt 4
I recently bought this interface and it seems really good in quality and performance.
It seems it has less gain as my previous Apogee, but anyway it's very quite and easy to operate with. Good converters and preamp and the Headphones is good and loud enough. Until now ev'rything's ok.P. Fenger
Top portable interface in the studio
I am really pleased with this audio interface. I've been using studio interfaces as well as some budget ones (under 400EUR) and this one is the best non-studio, portable interface I had. Sound quality compares to more expensive gear and is significantly better than it's market competitors. Build quality is excellent as well. The only drawback is the neccessity to register via UAD connect to get the drivers (on Windows this device is problematic without installing its ASIO driver so I recommend getting it on the spot, and that is possible only via UAD app and account registration).
F. Fonseca-Espinoza
Amazing Built quality and top features
The buit quality of this interfase it top notch, after a couples of weeks of testing I might say that the sound quality is amazing and the bundled software is pretty fun
C. Nikolaou
Very nice piece of gear
It is quality gear at a very affordable price. The inputs are excellent with very good preamps. All buttons, potentiometers and connectors are good quality. The only thing I am missing is better output routing. I would like to mute the monitor without muting the headphones. Also the output level is kinda low. With the pot at 3/4 it should be louder.
