Universal Audio Apollo Quad 8

$1,175.00 Price Tier: High-end

4.5 (10)

2 Reviews

Find out who is using UAD Apollo Quad 8

3 wishlisted

14 saved

Page last updated Jun 09, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated June 9, 2026.

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Price

5.0 (19)

$1,175.00 6 available Used

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Average Price: $1,175

High-end/Boutique

$150

$501+

Price Tier

In the Audio Interfaces category, Universal Audio Apollo Quad 8 is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

Budget

Standard

High-end

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Description

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Imagine stepping into the world of professional recording with the UAD Apollo Quad 8, a powerhouse audio interface that integrates seamlessly into any studio setup. With its sleek design and innovative technology, this audio interface is more than just a piece of gear—it's a gateway to unparalleled sound quality and creative freedom.

The Apollo Quad 8 features Universal Audio's renowned Unison technology, which lets you transform the character of its 4 premium mic preamps by emulating the sound of classic analog preamps. Whether you're tracking vocals or instruments, you can capture the essence of vintage gear with unmatched precision. Plus, with Thunderbolt 2 connectivity, enjoy incredibly low latency and a smooth recording experience that keeps up with your creative flow.

But the magic doesn’t stop there. The Apollo Quad 8 includes the power of UAD’s real-time analog classic plugins, allowing you to craft your sound from recording through to mixing without taxing your computer's CPU. This makes it an ideal choice for musicians and producers who demand both flexibility and high fidelity audio processing. Dive into a world of rich, dynamic soundscapes with this versatile interface and let your music shine.

Key Features:

4 Unison-enabled mic preamps for classic analog emulation
Thunderbolt 2 connectivity for ultra-low latency performance
Real-time UAD processing for dynamic plugin integration
Premium A/D and D/A conversion for pristine audio quality
Robust build quality suited for both project and professional studios

Product specs

Brand	Universal Audio
Model	Apollo 8 QUAD Thunderbolt 2 Audio Interface
Finish	Black
Year	2010s
Made In	United States
Categories	Audio Interfaces
Bit Depth	24-bit
Bus-Powered	No
Compatibility	Windows, macOS
Computer Connectivity	Thunderbolt
Electronics	Analog, Digital, Solid State
Format	19-inch Rackmount
Number of Analog Inputs	8
Number of Analog Outputs	10
Number of Channels	54
Number of Digital Inputs	18
Number of Digital Outputs	18
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	18 x 20

FAQs

What connectivity options does the Universal Audio Apollo 8 Quad offer?: The Apollo 8 Quad provides Thunderbolt connectivity, ensuring fast data transfer and low latency for recording and playback. It is compatible with both Windows and macOS systems.
How many mic preamps are included in the Apollo 8 Quad?: The Universal Audio Apollo 8 Quad features 4 onboard mic preamps, which can be enhanced with UA's "Unison" technology to emulate classic preamp models.
Is the Universal Audio Apollo 8 Quad suitable for high-resolution audio recording?: Yes, the Apollo 8 Quad supports up to 24-bit/192 kHz sample rates, making it ideal for high-resolution audio recording and playback.
Does the Apollo 8 Quad offer real-time processing capabilities?: The Apollo 8 Quad includes onboard DSP processing, allowing you to use UAD plug-ins in real-time with near-zero latency, regardless of your DAW's load.
How many simultaneous input and output channels does the Apollo 8 Quad support?: The Apollo 8 Quad supports 18 simultaneous inputs and 20 outputs, providing ample flexibility for complex recording and mixing setups.

Videos

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Sweetwater

Universal Audio Apollo 8 QUAD Thunderbolt 2 Audio Interface Overview by Sweetwater

Sweetwater

Universal Audio Apollo 8 QUAD Thunderbolt 2 Interface - Quick n' Dirty

soundpurestudios

Universal Audio Apollo 8 Quad Thunderbolt Review

Archie Beatz

Reviews

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PROS

Exceptional sound quality with top-class converters
Unison mic preamps offer diverse tonal options
Intuitive software interface simplifies setup and operation
Supports daisy-chaining for expanded inputs and DSP
High-quality DSP plugins enhance production capabilities
Visually appealing design with a user-friendly display
Reliable internal routing with a manageable learning curve
Fantastic playback quality, revealing new musical details
Offers multiple I/O options for versatile studio setups
Dual headphone outputs for flexible monitoring

CONS

Limited DSP power in a single unit for dense mixes
Runs significantly hot, requiring extra rack space
Thunderbolt cable not included, adding to setup costs
Only one monitor output limits monitoring flexibility
High price point may deter budget-conscious buyers
Some users report hardware reliability issues over time
Limited bypass options for preamp flavor when using third-party gear

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Universal Audio Apollo Quad 8.

Features and functionality

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Owners note issues arise when mixing USB-C with Thunderbolt protocols, emphasizing the importance of understanding the distinct protocols despite similar connectors.
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The UAD accelerator in Apollo interfaces allows low-latency tracking with plugins, providing a smooth workflow for live monitoring.
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Users appreciate the ability to daisy chain multiple Apollo interfaces via Thunderbolt for expanded I/O but note it's not possible with lower-end models like the Twin or Solo.
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Users appreciate the Unison preamps and the ability to use a range of plugins, such as AMS, for enhanced recording and mixing.
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Value and pricing

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Multiple users suggest that opting for newer Apple Silicon Macs and native plugins is more cost-effective than investing in Apollo's DSP hardware.
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User experience

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Owners transitioning from budget interfaces like Scarlett report noticeable improvements in sound clarity and mix quality with Apollo, especially in vocal recordings.
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Owners report consistently using Apollo 8 Silver models for over a decade with no reliability issues, highlighting its durability.
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Mods and upgrades

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Black Lion Audio modifications to Apollo interfaces significantly enhance converter and preamp quality, according to experienced users.
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Installing a Thunderbolt 3 option card in the Apollo 8 is recommended for modern system compatibility and optimal performance with the latest Universal Audio software.
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Upgrading from Thunderbolt 2 to Thunderbolt 3 cards is common to avoid adapters and ensure compatibility with newer computer ports.
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Comparisons

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RME interfaces are frequently recommended for superior longevity, driver quality, and low-latency performance compared to Apollo models.
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Transitioning from devices like the Volt 4 to the Apollo 8 provides noticeable improvements in headroom and preamp quality, according to user reports.
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Software and compatibility

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Some users report macOS kernel panics when waking up from sleep with Apollo interfaces, though a fix has been implemented.
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Upgrading to a Thunderbolt 3 card is crucial for seamless operation with newer Mac systems, as FireWire adapters no longer ensure compatibility with the latest software.
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Many users report that downgrading macOS to versions before 10.14 Mojave may be necessary for FireWire compatibility due to dropped support in newer macOS versions.
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Thunderbolt port compatibility issues are more prevalent with PCs due to Intel and Windows drivers, less so with Macs.
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Setup and maintenance

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Longevity of input jacks can be a concern, especially if they have seen extensive use over the years.
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4.5 out of 5

Based on 2 Reviews and 10 Ratings

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peter_schips

618

almost 7 years ago

UAD Apollo 8 / 8p

The UAD Apollo 8 / 8p is an enormously good sounding and reliable studio tool. The converters are absolute top class and the DSP technology brings neat performance. Not a bargain, but the quality speaks for itself.

Roles:

Keyboardist Composer Music Producer

Genres:

Electronic Pop Funk / Soul