Universal Audio VOLT-4 USB Audio Interface

Universal Audio Volt 4 – Pro Studio Sound with Vintage Tone

The Universal Audio Volt 4 is a 4-in/4-out USB audio interface designed for musicians, producers, and content creators who demand professional studio sound. Built with award-winning preamps and converters, it captures every detail of your performance with stunning clarity. Plus, it includes powerful recording software and premium UAD plug-ins, so you can record, mix, and produce like the pros.

Features:

• Vintage Mic Preamp Mode – Engage the Vintage button to get the warm, harmonically rich tone of the legendary UA 610 tube preamp, heard on countless hit records.
• High-Quality Audio Conversion – 24-bit/192kHz resolution ensures pristine sound with exceptional depth and detail.
• Flexible I/O for Any Setup – Two analog inputs, four analog outputs, plus independent headphone and monitor controls for seamless recording and mixing.
• LUNA Recording System – Turn your Mac or PC into a classic analog-style studio with an intuitive track-based DAW modeled after legendary API, Neve, and SSL consoles.
• Professional UAD Plug-Ins – Includes Teletronix LA-2A, 1176 compression, Pultec EQ, Pure Plate Reverb, PolyMAX synth, and more for authentic vintage tone and creative sound shaping.
• Rugged, Portable Design – Compact yet built to last, Volt 4 is perfect for home studios or mobile recording.

Specifications:

• Desktop 4-in/4-out USB audio interface with class-leading 24-bit/192kHz 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

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

I/O

• Monitor Outputs: Two (one stereo pair)
• Headphone Output: One stereo
• USB: One USB 2.0 port (USB Type-C connector)
• MIDI: In, Out (two 5-pin DIN connectors)
• A/D – D/A Conversion
• Supported Sample Rates (kHz): 44.1, 48, 88.2, 96, 176.4, 192
• Bit Depth: 24-bit

Analog I/O

Microphone Input(s):

• Frequency Response: 20Hz–20kHz, ±0.1dB
• Dynamic Range (A-weighted): 112dB
• THD + Noise (1kHz @ -1dBFS): -103dB (0.0007%)
• Equivalent Input Noise (150 Ohms, A-weighted): -127dBu
• Maximum Input Level: 9dBu
• Input Impedance: 3 Kilohms
• Available Gain: 55dB
• Phantom Power: +48V (switchable)
• Connector Type: XLR Female, pin 2 positive

Instrument Input(s):

• Frequency Response: 20Hz–20kHz, ±0.05dB
• Dynamic Range (A-weighted): 111dB
• THD + Noise (1kHz @ -1dBFS): -84dB (0.006%)
• Maximum Input Level: 12.5dBu
• Input Impedance: 1 Megohm
• Available Gain: 55dB
• Connector Type: 1/4" TS unbalanced

Line Input(s):

• Frequency Response: 20Hz–20kHz, ±0.05dB
• Dynamic Range (A-weighted): 111dB
• THD + Noise (1kHz @ -1dBFS): -102dB (0.0008%)
• Maximum Input Level: 22dBu
• Input Impedance: 15 kohms
• Available Gain: 55dB
• Connector Type: 1/4" TRS balanced or TS unbalanced

Line Input 3 & 4 (4, 476, 476P only):

• Frequency Response: 20Hz–20kHz, ±0.05dB
• Dynamic Range (A-weighted): 113dB
• THD + Noise (1kHz @ -1dBFS): -105dB (0.0008%)
• Maximum Input Level: 22dBu
• Input Impedance: 15 kohms
• Available Gain: 55dB
• Connector Type: 1/4" TRS balanced or TS unbalanced

Monitor & Line Output(s):

• Frequency Response: 20Hz–20kHz, ±0.1dB
• Dynamic Range (A-weighted): 110dB
• THD + Noise (1kHz @ -1dBFS): -102.5dB (0.00075%)
• Maximum Output Level: 15dBu
• Output Impedance: 100 Ohms
• Connector Type: 1/4" TRS balanced or TS unbalanced

Headphone Output(s):

• Frequency Response: 20Hz–20kHz, ±0.1dB
• Dynamic Range (A-weighted): 110dB
• THD + Noise (1kHz @ -1dBFS): -102.5dB (0.00075%)
• Maximum Output Level: 15dBu
• Output Impedance: 100 ohms
• Connector Type: 1/4" TRS balanced or TS unbalanced

System Requirements

• macOS & Windows:
• Available USB 2.0 (or higher) port
• USB cable (included)
• Intel, AMD, or Apple silicon processor
• Windows 10 or Windows 11 (64-bit editions)
• macOS Catalina 10.15 or newer operating system
• Internet connection for software downloads
• iPad & iPhone: iPadOS/iOS 14 or newer

Included UA Software

• LUNA Digital Audio Workstation
• PolyMAX Polyphonic Synth
• Century Tube Channel Strip
• Pultec Passive EQ Collection
• Teletronix LA-2A Classic Leveler Collection
• Galaxy Tape Echo
• Pure Plate Reverb
• Oxide Tape Recorder
• Verve Analog Machines Essentials

For high-quality sound, vintage warmth, and pro-level software, Volt 4 is the perfect choice for musicians and creators who want to record without limits.