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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.
Special ends:
$259.00
Retail: $329.00
Big Studio Sound, Anywhere.
Universal Audio created Volt 476 for collaborators -- from musicians and producers to livestreamers and content creators -- looking to easily record audio with big studio sound. This portable 4-in/4-out USB recording interface for Mac, PC, iPad, and iPhone gives you superior sound quality, a Vintage Mic Preamp mode, plus a classic analog compressor -- ready to capture your inspiration with professional studio results.
Key Benefits
Create legendary-sounding music productions, livestreams, and podcasts on Mac, PC, iPad, and iPhone
Build your desktop production studio around a stylish interface, built to withstand years of home and mobile recording
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
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 a Classic Vocal 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.
Stay Inspired with a Curated Suite of Audio Software
Some audio interfaces give you a smattering of random audio apps. Not Volt. Instead, UA put together a bundle of serious music production tools, virtual instruments, and plug-ins including Ableton, Melodyne, UJAM’s Virtual Drummer, Marshall, Ampeg, and more.
Included Software
Ableton Live Lite
Marshall Plexi Classic Amp
Softube Time & Tone Bundle
Celemony Melodyne Essential
Relab LX480 Essentials
Ampeg SVT-VR Classic
Brainworx bx_tuner
Brainworx bx_masterdesk Classic
UJAM Virtual Drummer DEEP
UJAM Virtual Bassist DANDY
Spitfire LABS
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 iPad Pro with USB-C).
Capture Inspiration for Years to Come
Featuring rugged all-metal construction and sleek, vintage-inspired industrial design, Volt 4 elevates your production space with impeccable style, built to last decades.
Universal Audio Inc. was re-founded in 1999 by Bill's sons, James Putnam and Bill Putnam Jr., with two main goals: to faithfully reproduce classic analog recording equipment in the tradition of their father, and to design new digital recording tools with the sound and spirit of vintage analog technology. However, as Bill Jr. recounts, the genesis of "UA, part 2" is actually a bit more serendipitous.
Having grown up in the music industry, Bill Jr. and James ("Jim") Putnam naturally assumed that the music business is where they'd eventually end up. Jim, a touring musician and recording engineer, and their older brother Scott, a studio designer in Southern California, were the first to follow in Bill Sr.'s path. However, Bill Jr. took a more circuitous direction, working for a number of engineering companies before undertaking a doctorate in Electrical Engineering at Stanford University. It was at Stanford that Bill Jr. became closely involved in the Center for Computer Research in Music and Acoustics (CCRMA), specializing in signal processing. It was also at Stanford that Bill Jr. began to assemble a team of the best and brightest minds in the field — who continue to steer many of Universal Audio's engineering efforts to this day.
However, the precise event that led Bill and Jim to start (or "reinvent") Universal Audio in 1999 was unexpected. As Bill Jr. tells it, when Bill Sr. passed away in 1989, he and Jim were faced with the Herculean task of cleaning out their dad's workshop and storage areas. While going through Bill Sr.'s old test equipment, boxes of parts, bits and pieces of consoles, and half-cannibalized 1176 compressors, Jim came across their father’s old design notebook. The two spent the evening poring over his notes, realizing that this was the map to every technical problem their father had ever solved. It was at that moment that they decided to bring back Universal Audio and its classic products.
Fast forward a decade. Now with nearly 80 employees and legions of new customers worldwide, UA is headquartered near the Silicon Valley, in Scotts Valley, California — where our classic analog gear is still hand-built, one unit at a time. The lengths we go to deliver the exact sound and performance of classic analog audio gear is unparalleled; in fact, the goal is for UA's modern units to perform identically to well-maintained units built decades ago.
Of course, analog is only half the story. At Universal Audio, we employ the world's brightest DSP engineers and digital modeling authorities to develop our award-winning UAD Powered Plug-Ins platform, featuring the most authentic analog emulation plug-ins in the industry. Our DSP gurus work with the original hardware manufacturers — using their exact schematics, golden units, and experienced ears — to give UAD plug-ins warmth and harmonics in all the right places, just like analog.
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
System Requirements
Mac & PC
Available USB 2.0 (or higher) port
USB cable (included)
Intel, AMD, or Apple Silicon processor
(PC) Windows 10 64-bit edition
(macOS) 10.14 Mojave or later
Internet connection for software downloads
iPad & iPhone