Description
The Universal Audio Apollo x4 Gen 2 is a professional desktop Thunderbolt audio interface built for musicians, producers, and recording engineers who demand exceptional sound quality and workflow flexibility. Featuring four Unison microphone preamps, QUAD Core DSP processing, and elite-class 24-bit / 192 kHz conversion, it delivers studio-grade performance for recording, mixing, and production.
Apollo x4 Gen 2 allows you to track through authentic emulations of legendary analog equipment from Neve, API, Manley, Fender, and more with near-zero latency. The included Essentials+ Bundle provides 36 UAD plug-ins and instruments, giving you access to iconic compressors, EQs, reverbs, guitar amps, tape effects, and creative production tools.
Enhanced Gen 2 monitoring features include Apollo Monitor Correction powered by Sonarworks, Bass Management, Auto-Gain, Plug-In Scenes, and the redesigned UAD Console application. Combined with expandable Thunderbolt connectivity and ADAT I/O, Apollo x4 Gen 2 is a powerful centerpiece for any modern recording studio.
Product Specifications:
Product Name: Universal Audio Apollo x4 Gen 2
Interface Type: Desktop Thunderbolt Audio Interface
DSP Processing: QUAD Core Real-Time UAD Processing
Audio Resolution: 24-Bit / 192 kHz
Channels of I/O: 12 Inputs / 18 Outputs
Microphone Preamps: 4 Unison Mic Preamps
Instrument Inputs: 2 Front-Panel Hi-Z Inputs
Analog Inputs: 4 Combo XLR/TRS Mic/Line Inputs
Line Outputs: 4 Balanced TRS Outputs
Monitor Outputs: 2 Balanced TRS Outputs
Headphone Outputs: 2 Independent TRS Outputs
Digital I/O: Optical ADAT / S/PDIF Input and Output
Dynamic Range: Up to 129 dB
Monitor Correction: Sonarworks Apollo Monitor Correction
Bass Management: Supported
Auto-Gain: Supported
Plug-In Scenes: Supported
Included Software: Essentials+ Bundle
Included Plug-Ins: 36 UAD Effects and Instruments
Converter Technology: Elite-Class Gen 2 AD/DA Conversion
Connectivity: Thunderbolt 3 via USB-C
Phantom Power: 48V Selectable
Sample Rates: Up to 192 kHz
Bit Depth: 24-Bit
Latency: 1.1 ms at 96 kHz
Built-In DSP: Quad-Core SHARC Processing
Operating System Compatibility: Windows and macOS
Power Supply: 12V DC Power Adapter Included
Power Consumption: 19W
Expansion Capability: Link Multiple Apollo Interfaces via Thunderbolt
Compatible DAWs: LUNA, Pro Tools, Logic Pro, Cubase, Ableton Live
Product Weight: 6 lbs.
Product Dimensions (L x W x H): 8 " x 5 " x 3 "
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Get the gear you need now with Financing and Lease options. As an artist or sound professional your business needs high quality speakers, lighting and cases to do your job, be professional and competitive.
Choose Shop Pay or After Pay in checkout for instant financing application. We also offer Acima Leasing, Synchrony, Progressive or Snap financing just give us a call 1-800-700-4542.
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Military & First Responder Discounts
We're proud to support those who serve. Active-duty military, veterans, and first responders qualify for a special discount on your gear. See our Military Discount details here and how to redeem.




