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Universal Audio VOLT-4 USB Audio Interface Side View

Universal Audio VOLT-4 USB Audio Interface

SKU UA-VOLT-4-U
by Universal Audio
Sold out
$259.00

Manufacturer's Warranty: 1 Year from purchase date

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.

Shipping

Shipping is FREE on all orders within the lower 48 states of the US.

We don't want to mess around with fine print and extra charges, we like things to be simple and easy. 

Want to know about our Returns Policy? Read more here.

Order Confirmation:

As soon as you place your order you will receive an order confirmation e-mail.  This means that we have received your order in our system and pre-authorised your credit card for the purchase.  

As soon as we receive your order we automatically check to confirm that your order is in stock and available for immediate shipment.  If your item is on back-order or unavailable we will void the pre-authorisation and reach out to you via e-mail to see if alternate arrangements can be made.  

If your item(s) are available for immediate shipment (within 3 business days) we will process the charges and get to work preparing your order for shipment.

Order Shipment:

If your order is in stock and we process the charges to your credit card it will ship within three business days from the date of your order.  

We will send you shipping confirmation within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  

If you do not receive shipping confirmation from us within four business days of your order feel free to follow up with us at sales@musicstox.com

International Orders:

Please be aware that our products are made specifically for the USA market only.

Damages:

Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make note of it when signing for delivery or do not agree to accept the delivery.

If you do accept delivery you are required to immediately take photos using your smart phone or camera of the damaged packaging or products inside the packaging. 

If your item(s) do arrived damaged, please lodge your return claim by sending an email and photos of the damaged item(s) to: sales@musicstox.com.

 

Buying gear online can feel like a big decision—we get it. That’s why we make it as easy and risk-free as possible.

Everything we sell is inspected before shipping, plus with free shipping, secure payments, and a 45-day hassle-free return policy, you can shop with confidence.

The team at MusicStox is here to assist you, regardless of your level of experience, so let's get you the perfect setup—without the stress.

  • Shipping is FREE on all orders within the lower 48 states of the US.
  • Price Match Guarantee.
  • Easy 45-Day Returns. 
  • Great Service. We pride ourselves on the best service, anywhere.
  • Your Satisfaction Guaranteed. We handpick our products for quality, we know you'll love them. But if there is ever something wrong, we'll fix it.

Sound Like Your Favorite Records

LUNA delivers the warmth of classic tape machines and analog mixing consoles in a modern DAW. With intuitive workflows and unlimited tracks, it’s built to bring your biggest ideas to life.

Record with Studio-Quality Sound at Home

Powered by Universal Audio’s award-winning preamps and converters,Volt delivers professional studio sound—perfect for beginners and seasoned musicians alike.

Get Analog Warmth with Vintage Mic Preamp Mode

Plug in your mic or instrument, hit the Vintagebutton, and capture the rich, full sound of the legendary UA 610 tube preamp—a studio classic heard on countless hit records.

Free shipping
45-Day Hassle-Free Returns
Questions about gear?

Call 888-443-5234

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Description

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.

Shipping

Shipping

Shipping is FREE on all orders within the lower 48 states of the US.

We don't want to mess around with fine print and extra charges, we like things to be simple and easy. 

Want to know about our Returns Policy? Read more here.

Order Confirmation:

As soon as you place your order you will receive an order confirmation e-mail.  This means that we have received your order in our system and pre-authorised your credit card for the purchase.  

As soon as we receive your order we automatically check to confirm that your order is in stock and available for immediate shipment.  If your item is on back-order or unavailable we will void the pre-authorisation and reach out to you via e-mail to see if alternate arrangements can be made.  

If your item(s) are available for immediate shipment (within 3 business days) we will process the charges and get to work preparing your order for shipment.

Order Shipment:

If your order is in stock and we process the charges to your credit card it will ship within three business days from the date of your order.  

We will send you shipping confirmation within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  

If you do not receive shipping confirmation from us within four business days of your order feel free to follow up with us at sales@musicstox.com

International Orders:

Please be aware that our products are made specifically for the USA market only.

Damages:

Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make note of it when signing for delivery or do not agree to accept the delivery.

If you do accept delivery you are required to immediately take photos using your smart phone or camera of the damaged packaging or products inside the packaging. 

If your item(s) do arrived damaged, please lodge your return claim by sending an email and photos of the damaged item(s) to: sales@musicstox.com.

 

Why Buy From Us

Buying gear online can feel like a big decision—we get it. That’s why we make it as easy and risk-free as possible.

Everything we sell is inspected before shipping, plus with free shipping, secure payments, and a 45-day hassle-free return policy, you can shop with confidence.

The team at MusicStox is here to assist you, regardless of your level of experience, so let's get you the perfect setup—without the stress.

  • Shipping is FREE on all orders within the lower 48 states of the US.
  • Price Match Guarantee.
  • Easy 45-Day Returns. 
  • Great Service. We pride ourselves on the best service, anywhere.
  • Your Satisfaction Guaranteed. We handpick our products for quality, we know you'll love them. But if there is ever something wrong, we'll fix it.