Universal Audio
Apollo Twin X DUO USB Audio Interface – Heritage Edition | Windows

PAC price
$999.00 USD
Browse all gear from a brand across the store.
Universal Audio

PAC price
$999.00 USD
Universal Audio

PAC price
$299.00 USD
Universal Audio

PAC price
$149.00 USD
Universal Audio

PAC price
$219.00 USD
Apogee
PAC price
$3,499.00 USD
Apogee
PAC price
$2,799.00 USD
Apogee
PAC price
$1,899.00 USD
Universal Audio

PAC price
$3,799.00 USD
Universal Audio

PAC price
$2,999.00 USD
Universal Audio

PAC price
$3,999.00 USD
Universal Audio

PAC price
$1,199.00 USD
Universal Audio

PAC price
$899.00 USD
Choose by the number of microphones you want to record, your computer or mobile setup, and whether you need room to expand.
Swipe or scroll to see all three models.
| What to compare | Volt 1 | Volt 2 Gen 2 | Volt 2 Max |
|---|---|---|---|
| Direct mic inputs | 1 | 2 | 2 |
| Computer connection | USB 2.0 over USB-C | USB 2.0 over USB-C | USB 2.0 over USB-C |
| Supported platforms | macOS, Windows, iPhone and iPad | macOS, Windows, iPhone and iPad | macOS, Windows, iPhone and iPad |
| Digital expansion | None | None | Up to 8 additional inputs via ADAT at 44.1 or 48 kHz |
| In the box | Interface, USB-A to USB-C cable and USB power cable | Interface and USB-C to USB-C cable | Interface and USB-C to USB-C cable |
Check the setup guide for OS versions, drivers, mobile power and any adapters you need. Volt manuals and setup
Consider your connection type, required input count, studio setup, and software compatibility before selecting an audio interface.
USB interfaces offer broad compatibility and work well for home studios, podcasting, streaming, and mobile recording. Thunderbolt interfaces typically provide lower latency and greater bandwidth for demanding professional workflows.
Solo artists and content creators may need only one or two inputs. Bands, drum recording, live sessions, and multi-microphone setups require more preamps, line inputs, or expandable I/O.
Desktop interfaces are compact and convenient for smaller studios. Rackmount interfaces better suit permanent installations, larger I/O requirements, equipment racks, and professional control rooms.
Use the Pro Audio Clinic AI Gear Advisor to compare connectivity, input counts, recording applications, computer compatibility, studio requirements, and budget considerations.
Ask the AI Gear AdvisorFrequently Asked Questions
Count every microphone, instrument, stereo source, monitor pair, headphone mix, and external processor you expect to connect at the same time. Leave practical room for future expansion, and verify the number of physical microphone preamps rather than relying only on the advertised channel count.
Choose a connection supported by your computer, operating system, and recording software. USB interfaces offer broad compatibility, while Thunderbolt models may support higher I/O counts or specialized workflows. Confirm the exact port, cable, driver, and system requirements before ordering.
Most professional XLR condenser microphones require 48-volt phantom power, while most dynamic microphones do not. Verify the requirements of each microphone and confirm whether phantom power is available independently or in grouped channels on the interface.
Compatibility depends on the interface connection, supported operating-system version, available drivers, firmware, computer specifications, and recording software. Review the current manufacturer requirements for the exact model before purchase.
MIDI ports are useful for compatible keyboards, controllers, drum machines, and hardware instruments. ADAT, S/PDIF, Dante, or other digital connections may support expansion or integration, but the formats, channel counts, sample-rate limits, and clocking requirements must match your equipment.
Yes. Use the Pro Audio Clinic AI Gear Advisor or contact us for help comparing computer compatibility, inputs and outputs, microphone preamps, monitoring, expansion, accessories, product availability, and pricing.
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