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Universal Audio Volt 4 Gen 2 2×2 USB-C Audio Interface

UNIVERSAL AUDIO

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The Universal Audio Volt 4 Gen 2 USB-C Audio Interface is a professional 12-in/6-out recording solution for musicians, producers, podcasters, and home studios. It features two microphone preamps with Warmth, Focus, and Shine modes, Auto-Gain, Clip Protection, loopback, MIDI connectivity, and ADAT/S/PDIF optical expansion. With recording support up to 192 kHz and included music production software, the Volt 4 Gen 2 is ideal for recording vocals, instruments, producing music, and streaming.

Key Features

  • 12-In/6-Out Connectivity
  • Two Tone-Shaping Microphone Preamps
  • 32-Bit Converter Architecture
  • Auto-Gain
  • Clip Protection
  • Loopback for Streaming and Podcasting
  • Dedicated Instrument Inputs
  • Optical ADAT/S/PDIF Expansion
  • MIDI Connectivity

Universal Audio Volt 4 Gen 2 Overview

The Universal Audio Volt 4 Gen 2 USB-C Audio Interface is a versatile 12-in/6-out recording interface designed for musicians, singers, music producers, podcasters, and content creators who need professional recording quality and flexible studio connectivity. Featuring two microphone preamps with three selectable character modes, 32-bit converter architecture, recording rates up to 192 kHz, Auto-Gain, Clip Protection, and loopback functionality, the Volt 4 Gen 2 is built for modern home studios and mobile recording setups.

With dedicated microphone, line, and instrument connections, MIDI connectivity, and optical ADAT/S/PDIF expansion, this Universal Audio audio interface provides a flexible foundation for recording vocals, guitars, keyboards, synthesizers, and other audio sources.

Key Features of Universal Audio Volt 4 Gen 2

  • 12-In/6-Out Connectivity: Connect compatible microphones, instruments, line-level equipment, studio monitors, and headphones for a flexible recording workflow.
  • Two Tone-Shaping Microphone Preamps: Get up to 60 dB of gain with three selectable tonal character modes: Warmth, Focus, and Shine.
  • 32-Bit Converter Architecture: Capture detailed recordings with support for sample rates up to 192 kHz.
  • Auto-Gain: Automatically helps establish suitable recording levels, making setup easier for musicians and content creators.
  • Clip Protection: Helps prevent unexpected signal peaks from ruining recordings.
  • Loopback for Streaming and Podcasting: Combine computer audio with live audio sources for podcasts, livestreams, and online content.
  • Dedicated Instrument Inputs: Two front-panel Hi-Z inputs allow direct connection of compatible guitars, basses, and other instruments.
  • Optical ADAT/S/PDIF Expansion: Expand your studio’s digital connectivity with compatible equipment.
  • MIDI Connectivity: Connect compatible MIDI controllers, synthesizers, and other MIDI equipment.
  • USB-C Connectivity: Supports computer-based recording and compatible iPad and iPhone workflows, with USB bus power available.
  • Included Production Software: Comes with a selection of Universal Audio plug-ins, virtual instruments, and music production software.

Three Selectable Preamp Character Modes

The Universal Audio Volt 4 Gen 2 offers three preamp character options to help shape your recordings according to the sound you want.

  • Warmth: Adds a tube-inspired tonal character to vocals and instruments.
  • Focus: Provides a solid-state-inspired character for a more focused recording sound.
  • Shine: Offers a British Class-A-inspired tonal character for additional presence.

These modes give musicians and producers convenient tonal options when tracking vocals, instruments, and other audio sources.

Flexible Recording and Studio Connectivity

The Universal Audio Volt 4 Gen 2 features two rear-panel XLR/TRS combo microphone and line inputs, two front-panel Hi-Z instrument inputs, and two additional TRS line inputs. This arrangement accommodates a variety of studio equipment without requiring a separate interface for every source.

Balanced monitor outputs allow connection to compatible studio monitors, while the headphone output supports personal monitoring. MIDI input and output provide connectivity for compatible hardware synthesizers and controllers.

For studios that need additional digital inputs, the optical ADAT/S/PDIF connection supports expansion with compatible equipment. This makes the Volt 4 Gen 2 suitable for musicians and producers planning to expand their recording setups.

Auto-Gain, Clip Protection and Loopback

Auto-Gain simplifies recording setup by helping establish appropriate input levels, while Clip Protection helps safeguard recordings against unexpected peaks.

Loopback functionality is particularly useful for podcasting, livestreaming, and content creation. It allows computer audio to be combined with live audio sources in supported recording and streaming workflows.

Together, these features make the Volt 4 Gen 2 useful beyond traditional music recording, including voice recording, online broadcasting, and digital content production.

Included Universal Audio Software

The Volt 4 Gen 2 includes a software bundle designed to help you start producing music and recording audio. The listed software includes:

  • LUNA Digital Audio Workstation
  • UA 610 Tube Preamp & EQ Collection
  • Teletronix LA-2A Classic Compressor
  • UA 1176 Classic FET Compressor
  • Century Tube Channel Strip
  • Pure Plate Reverb
  • Galaxy Tape Echo
  • Oxide Tape Recorder
  • PolyMAX Synth
  • Anthem Analog Synth
  • Melodyne Essential
  • Additional virtual instruments, plug-ins, and production tools

Software availability, activation requirements, and licensing terms may vary. Check the included package and current manufacturer’s terms for details.

Why Choose the Universal Audio Volt 4 Gen 2?

Choosing the right USB audio interface can improve your recording workflow by providing the connections needed for your microphones, instruments, headphones, and studio monitors. The Volt 4 Gen 2 is designed for creators who want to bring their recording equipment together in one interface without relying on a complicated studio setup.

If you are upgrading your recording equipment or setting up a new production space, the Universal Audio Volt 4 Gen 2 is worth considering for a flexible, computer-based recording workflow.

Universal Audio Volt 4 Gen 2 Specification

Weight2.19 lbs
Dimensions9.5 × 7.3 × 3.2 in
Brands

Key Specs
Maximum Sampling Rate
192 kHz / 24-Bit
Number of Microphone Inputs
2
Analog Audio I/O
2x Combo XLR-1/4″ TRS Mic/Line Input
2x 1/4″ TRS Line Input
2x 1/4″ TS Hi-Z Input
2x 1/4″ TRS Line Output
1x 1/4″ TRS Headphone Output
2x 1/4″ TRS Monitor Output

Digital Audio I/O
TOSLINK Optical ADAT / S/PDIF In or Out
Host Connection
3x USB-C
Power Requirements
AC/DC Power Adapter (Not Included) or USB Bus Power
General
Display
No
Built-In DSP
No
Maximum Sampling Rate
192 kHz / 24-Bit
Number of Microphone Inputs
2
Built-In Microphone
No
Input Level Adjustment
1x Knob
Signal Processing
Pad
No
Gain/Trim Range
Up to 60 dB
High-Pass Filter
No
Solo/Mute
No
Connectivity
Analog Audio I/O
2x Combo XLR-1/4″ TRS Balanced/Unbalanced Mic/Line Input
2x 1/4″ TRS Balanced Line Input
2x 1/4″ TS Unbalanced Hi-Z Input (Front Panel)
2x 1/4″ TRS Balanced Line Output
1x 1/4″ TRS Unbalanced Headphone Output (Front Panel)
2x 1/4″ TRS Balanced Monitor Output
Phantom Power
48 V, Selectable On/Off
Digital Audio I/O
1x TOSLINK Optical ADAT / S/PDIF In or Out (S/MUX Support, S/MUX4 Support)
Host Connection / USB
3x USB-C
Host Connection Protocol
USB 2.0
USB (Non-Host)
No
Sync I/O
No
Network I/O
No
MIDI I/O
1x 1/8″ / 3.5 mm TRS Input
1x 1/8″ / 3.5 mm TRS Output
Expansion Slots
No
Wireless
No
Performance
Frequency Response
20 Hz to 20 kHz
Maximum Input Level
Mic:
14 dBu

Line:
22 dBu

Hi-Z:
13 dBu
Maximum Output Level
Line/Monitor:
20.2 dBu
Headphone Output Power
45 mW into 32 Ohms
24 mW into 300 Ohms
Impedance
Mic Inputs:
2 Kilohms

Line Inputs:
10 Kilohms

Hi-Z Inputs:
1 Megohm
Dynamic Range
Hi-Z Inputs:
116 dBA

Line Inputs:
119 dBA

Mic Inputs:
118 dBA

Headphone Outputs:
116 dBA

Monitor Outputs:
126 dBA
THD+N
Hi-Z:
-108 dB

Mic/Line/Headphone:
-110 dB

Monitor:
-126 dB
Digital Audio
Sample Rates
Up to 192 kHz
Sample Rate Conversion
No
Bit Depths
32-Bit
Latency
Zero-Latency Direct Monitoring
Sync Sources
Internal
Audio Storage & Playback
Media/Memory Card Slot
No
Compatibility
OS Compatibility
Computer: macOS 12 or Later / Windows 10 or Later
Mobile: iOS Only
Processor Requirement
Mac:
Intel
Apple M1

PC:
Intel
AMD
Mobile Device Compatibility
iPad Pro
iPad
iPhone
Required Hardware
Available USB 2.0 Port
USB Cable (Included)
Power
Power Requirements
AC/DC Power Adapter (Not Included) or USB Bus Power
AC/DC Power Adapter
5 VDC (Not Included)
Packaging Info
Package Weight
2.19 lb
Box Dimensions (LxWxH)
9.5 x 7.3 x 3.2″

What's in the Box

  • Universal Audio Volt 4 Gen 2 USB-C Audio Interface
  • USB-C to USB-A Cable
  • UAD Volt Studio Bundle and additional music production software (digital download)

Frequently Asked Questions

The Volt 4 Gen 2 supports 12 simultaneous inputs and 6 outputs. It includes two microphone/line inputs, two front-panel instrument inputs, additional line I/O, and an optical ADAT/S/PDIF input for compatible digital expansion.

The Volt 4 Gen 2 features 32-bit converter architecture and supports sample rates up to 192 kHz, providing high-resolution audio capture and playback for music production and recording.

Yes. You can connect compatible condenser microphones through the XLR combo inputs. The interface provides 48V phantom power that can be switched independently for each microphone channel.

These three Tone Shaping modes provide different tonal characters for recording. Warmth is inspired by tube preamps, Focus by solid-state circuitry, and Shine by British Class-A designs. They allow you to tailor your recording sound directly at the input stage.

Yes. Auto-Gain helps establish appropriate recording levels, while Clip Protection helps prevent unexpected signal peaks from causing digital clipping during recording.

Yes. Its built-in loopback functionality allows you to combine computer audio with live audio sources in supported recording and streaming applications. This makes it useful for podcasts, livestreams, voiceovers, and online content creation.