Record Like a Pro, Anywhere.
Volt 4 is the perfect USB audio interface for creative collaborators who want to easily record audio projects with professional studio sound. Plug right into your Mac, PC, iPad, or iPhone and Volt just shows up, ready to capture your inspiration with professional sound, courtesy of Universal Audio.
Create legendary-sounding music productions, livestreams, and podcasts on Mac, PC, iPad, and iPhone
Get a 30-day free trial to UAD Spark and create with the best vintage gear and instruments ever made
Record your voice or guitar with album‑ready sound using Vintage Mic Preamp mode
Build your desktop production studio around a stylish interface, built to withstand years of home and mobile recording

Key Features
- Desktop 4 in/4-out USB audio interface with class-leading 24-bit/192 kHz audio conversion for Mac, PC, iPad, and iPhone
- Vintage Mic Preamp mode for recording your voice or guitar with the rich, full sound of an iconic UA tube preamp
- Extended 30-day free trial to UAD Spark offers an ever-expanding library of world-class plug-ins and instruments for a low monthly price
- Studio-quality headphone amplifier for loud, clear monitoring
- USB bus powered to reduce cable clutter
- 48V phantom power for condenser microphones
- Direct Monitoring for latency-free recording
- Stylish, rugged construction built to withstand years of use
- 1-in/1-out MIDI connections
- USB-C to USB-A cable included

Collaborate with Best-in-Class Audio Quality
From the team that brought you the game‑changing Apollo interface, Volt 4 delivers superior studio sound quality with more character and tone than any USB interface in its class.

Capture Legendary Tones with Vintage Mic Preamp Mode
Few sounds can compare to a vintage Universal Audio 610 tube preamp, the same preamp used to record everyone from Ray Charles to Van Halen. Volt 4 gives you the rich, full sound of this iconic UA preamp, thanks to its built‑in tube emulation circuitry, a UA exclusive.

Easy In, Easy Out
Volt 4 gives you simple audio connections to quickly get started. Just plug your mics and guitars into the front panel preamps, and use the line inputs for synths and drum machines. Then connect your speakers or headphones to monitor your audio with no latency. With Volt, you’ll be creating like a pro, fast.

iPad & iPhone Ready
Traveling light? Plug Volt 4 into your iPad or iPhone, and you can easily create beats and samples, record your band’s rehearsals, and edit songs anywhere.*

*Requires external Volt power supply and an Apple Lightning to USB Camera Adapter (except iPads with USB‑C).


Included Software for Mac & PC

Offering a powerful DAW, vintage guitar and bass amps, industry-leading virtual instruments, and much more, Volt gives you everything you need to start producing music, podcasts, and livestreams, right out of the box.

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 11 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.

Volt System Requirements
For complete compatibility information, visit help.uaudio.com

Mac & PC
Available USB 2.0 (or higher) port
USB cable (included)
Intel, AMD, or Apple Silicon processor
(PC) Windows 10 or 11 (64-bit editions)
(macOS) 10.14 Mojave or later
Internet connection for software downloads

iPad & iPhone
iPadOS / iOS 14 or later