Universal Audio VOLT4

Desktop 4-in/4-out USB 2.0 audio interface with professional audio conversion, built-in Vintage Mic Preamp, and bus power for Mac, PC, iPad, and iPhone.

Record Like a Pro, Anywhere.

Volt 4 is the perfect 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.

Key Benefits

Create legendary-sounding music productions, livestreams, and podcasts on Mac, PC, iPad, and iPhone

Record your voice or guitar with album-ready sound using Vintage Mic Preamp mode

Get a 30-day free trial to UAD Spark and create with the best vintage gear and instruments ever made

Build your desktop production studio around a stylish interface, built to withstand years of home and mobile recording

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 Vocals 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.

Get a 30-day Free Trial to UAD Spark

Start creating music with the best gear ever made using UAD Spark, an ever-expanding library of world-class plug-ins and instruments for a low monthly price. UAD Spark plug-ins run natively on Mac and will give your recordings the professional analog tones heard on your favorite albums.

Easy In, Easy Out

Volt 4 gives you simple 4-in/4-out audio connections. 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 476 into your iPad or iPhone, and you can easily create beats and samples, record your band’s rehearsals, and edit songs anywhere.

Produce with a Curated Suite of Audio Software

Start creating right away with a bundle of professional music production tools, virtual instruments, and plug-ins including Ableton, Melodyne, UJAM’s Virtual Drummer, Marshall, Ampeg, and more.

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
- Included Software

Ableton-Ableton Live Lite
Softube-Marshall Plexi Classic Amp, Time & Tone Bundle
Celemony-Melodyne Essential
Relab-LX480 Essentials
Plugin Alliance-Ampeg SVT-VR Classic, Brainworx bx_tuner, Brainworx bx_masterdesk Classic
UJAM-Virtual Drummer DEEP, Virtual Bassist DANDY
Spitfire-LABS
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

iPadOS / iOS 14 or later

US and EU parcels ship via UPS, ETA 1-7 working days from pickup day zero. That also applies to most locations worldwide.

All shipments are fully insured.

Bigger shipments requiring pallets or custom made crates ship to US, CA, JP, CN, AU and other outside of EU locations via DHL Air Freight, ETA is normally approx. 7-14 working days from pickup day zero.

Big shipments inside EU ship via different freight companies, recently mostly via ACE Logistics. Freight forwarders can use different courier companies for deliveries to final destinations.

Palletising and crating time can vary depending on the size of the shipment and packaging queue. We pack all our shipments with great care.

You are most welcome to pick your order up yourself from our Retrosonic Pro Audio showroom, studio and warehouse in Tallinn, Estonia.

We ship worldwide – contact us for a personal shipping quote or any other questions.

VAT (Value Added Tax) can be deducted if you have a company with a valid EU VAT number or if you're based outside of the EU. Non-EU buyers pay all and any import tax and duty as regulated by their local customs.