Universal Audio VOLT 4
Universal Audio

VOLT 4

Perfect USB audio interface for creative collaborators who want to easily record audio projects with professional studio sound.
Product Highlights
  • 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
  • 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

  • Overview
  • Tech Specs

Record Like a Pro, Anywhere.
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.

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.

Computer Connectivity USB 2.0
Form Factor Desktop
Simultaneous I/O 4 x 4
Number of Preamps 2 x mic
Phantom Power Yes | 2 channels
A/D Resolution Up to 24-bit/192kHz
Analog Inputs 2 x XLR-1/4" combo (mic/line), 2 x TRS
Analog Outputs 6 x 1/4" TRS
Headphones 1 x 1/4"
MIDI I/O In/Out
USB 1 x USB-C
Software Ableton, Softube, Celemony, Relab, UJAM, Plugin Alliance, Spitfire
Compatibility Mac. PC
Bus Powered Yes

OS Requirements - Mac
macOS 10.14 or later

OS Requirements - PC
Windows 10 or later (64-bit editions)

Power Supply
USB bus powered