Pricing and availability
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Average Price: $1,776
High-end/Boutique
$150
$501+
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Based on price data from 1 merchant for "UAD Apollo x4". Prices shown reflect NEW condition. Tracking began Apr 23, 2026.
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Description
Unleash the full potential of your studio setup with the UAD Apollo x4, a powerhouse that merges state-of-the-art technology with seamless usability. Designed to meet the demands of professional musicians and budding producers alike, this 12x18 Thunderbolt 3 audio interface is your ticket to pristine audio quality and effortless recording. At its core, the Apollo x4 is powered by a UAD-2 Quad processor, allowing near-zero latency when utilizing the celebrated plug-in emulations of classic studio gear. Whether you're mixing a track, recording vocals, or adding guitar effects, the Apollo x4 ensures your sound is nothing short of legendary.
This desktop interface is equipped with four Unison microphone preamps, giving you the dynamic range and flexibility needed for capturing every nuance of your performance. The 24-bit/192 kHz AD/DA conversion provides crystal-clear sound reproduction, while the integrated talkback microphone and comprehensive monitor functions keep your sessions flowing smoothly. The Apollo x4's robust connectivity options, including ADAT/SPDIF input/output, make it an indispensable tool for any studio environment. And with the included Analog Classics Plus software bundle, your creative possibilities are virtually limitless.
Key Features:
- UAD-2 Quad processor for near-latency-free recording
- 24-bit / 192 kHz AD/DA conversion
- 4 Unison microphone preamps
- +48 V Phantom power
- Integrated talkback microphone
- Dynamic range: 127 dB
- Monitor functions with mono, mute, DIM, and ALT controls
- 4 Mic/Line combo inputs, 2 Hi-Z instrument inputs
- 2 Stereo headphone outputs
- Thunderbolt 3 connection (cable not included)
- ADAT/SPDIF input and output optical
Product specs
| Brand | Universal Audio |
| Model | Apollo x4 QUAD Thunderbolt 3 Audio Interface |
| Finish | Gray |
| Year | 2019 - 2025 |
| Made In | United States |
| Categories | Audio Interfaces |
| Bit Depth | 24-bit |
| Bus-Powered | No |
| Compatibility | Windows, macOS |
| Computer Connectivity | Thunderbolt |
| Digital Input Format | ADAT/Optical |
| Digital Output Format | ADAT/Optical |
| Electronics | Analog, Digital, Solid State |
| Format | Desktop Standalone |
| Number of Analog Inputs | 6 |
| Number of Analog Outputs | 6 |
| Number of Channels | 28 |
| Number of Digital Inputs | 8 |
| Number of Digital Outputs | 8 |
| Number of Headphone Outputs | 2 |
| Number of MIDI Inputs | 0 |
| Number of MIDI Outputs | 0 |
| Number of Mic Preamps | 4 |
| Sample Rate | 192 khz |
| Simultaneous I/O | 12 x 18 |
FAQs
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What are the main connectivity options for the UAD Apollo x4?
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The UAD Apollo x4 connects to your computer via Thunderbolt 3, offering high-speed data transfer. It features six analog inputs, six analog outputs, and supports ADAT/Optical digital input and output formats.
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Is the UAD Apollo x4 compatible with both Windows and macOS?
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Yes, the UAD Apollo x4 is compatible with both Windows and macOS operating systems, making it versatile for different studio setups.
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How many mic preamps does the UAD Apollo x4 have?
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The UAD Apollo x4 is equipped with four high-quality mic preamps, allowing for professional-grade recording of multiple microphones simultaneously.
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Does the UAD Apollo x4 support high-resolution audio recording?
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Yes, the UAD Apollo x4 supports a sample rate of up to 192 kHz and 24-bit depth, enabling high-resolution audio recording for pristine sound quality.
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How does the UAD Apollo x4 handle DSP processing?
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The UAD Apollo x4 features QUAD Core DSP processing, allowing you to run complex plug-in chains efficiently, enhancing your recording and mixing capabilities beyond native processing.
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How many headphone outputs are available on the UAD Apollo x4?
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The UAD Apollo x4 includes two headphone outputs, providing flexibility for monitoring and collaboration during recording sessions.
Videos
Sweetwater
Universal Audio Apollo x4 Set Up and Recording Demo
Reviews
PROS
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Exceptional sound quality with UAD plugins and unison technology
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Portable with solid build quality
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Comprehensive control options, including talkback feature
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Offers a studio-like experience with a variety of emulations
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Facilitates live recording situations with minimal latency
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Supports up to 15 DSP plugins simultaneously
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Provides special offers and vouchers for purchasing UA plugins
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Dual headphone outputs for collaborative work
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QUAD core processing for efficient plugin management
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Compatible with both Mac and Windows systems
CONS
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Does not include a Thunderbolt 3 cable, necessitating extra expense
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Requires its own power source with a fragile locking mechanism
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Absence of built-in loopback feature for audio streaming
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Can increase the workload on a computer, especially when using many virtual instruments
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Limited daisy-chaining capabilities with other units
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Main knob may feel wobbly, affecting user experience
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about UAD Apollo x4.
Comparisons
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The Apollo x4 Gen 2 offers only slight improvements like better converters and auto-gain, making the $400 price difference over the Heritage Edition debatable.
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Consider alternatives like Apogee, Motu, and Antelope if Thunderbolt setup is impractical, especially for Pro Tools users.
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The Apollo x4's preamps and converters are superior to those in the Tascam Model 24, especially noticeable in studio settings.
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Features and functionality
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The x4 might lack sufficient DSP power to effectively run plugins across all four preamps, suggesting consideration of models with higher DSP capacity.
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The Unison preamps offer significant tonal color and contrast, potentially enhancing mixes by differentiating elements through different types of preamps.
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Use cases and applications
Value and pricing
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Buying a non-heritage edition and investing in a comprehensive plugin bundle later could provide better value than opting for bundled editions.
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Software and compatibility
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UA plugins can be integrated into DAWs like FL Studio once purchased and registered, addressing concerns about software compatibility.
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Successful integration with PC requires a Thunderbolt 3 or 4 interface; USB4 ports won't suffice due to compatibility issues.
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FireWire UAD-2 devices do not function on Apple Silicon or macOS versions from Monterey onwards, requiring Thunderbolt alternatives.
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Setup and maintenance
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Installing a Thunderbolt PCIe card in a PC, while initially challenging, becomes smoother with improved support resources over time.
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User experience
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Owners note that while the setup process may be less seamless than on Mac, the experience improves significantly over time with proper configuration.
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Owners with newer Mac models have noted compatibility issues with FireWire, highlighting the need for Thunderbolt solutions for reliable UAD plugin usage.
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Critic Reviews
Based on 0 Reviews and 0 Ratings
Artist usage
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