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Universal Audio Apollo Twin USB Duo

^# 17

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$689.00 to $899.00 Price Tier: High-end

5.0 (14)

1 Critic Review

3 Reviews

Find out who is using Universal Audio Apollo Twin USB Duo

2 community setups

8 wishlisted

37 saved

Page last updated Jul 03, 2026

Pricing and availability

We compare 600+ stores and found this item at 4 stores. Prices updated July 2, 2026.

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Price

4.4 (80)

$899.00

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5.0 (21)

$899.00 1 available New

$438.00 5 available Used

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5.0 (7)

$899.00

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4.7 (146)

$689.00

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Average Price: $765

High-end/Boutique

$150

$501+

Price Tier

In the Audio Interfaces category, Universal Audio Apollo Twin USB Duo 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

Price History

Based on price data from 1 merchant for "Universal Audio Apollo Twin USB Duo". Prices shown reflect NEW condition. Tracking began Apr 23, 2026.

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Description

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Introducing the Universal Audio Apollo Twin USB Duo, a game-changer in the realm of desktop recording. This 2x6 USB 3 audio interface is specifically designed for Windows-based machines, and it brings out the finest of Universal Audio's acclaimed Apollo series right at your fingertips. With the impeccable 24/192 kHz audio conversion, this gadget promises legendary analog studio sound, feel, and flow for music creators everywhere.

The magic lies in its onboard Realtime UAD Processing and Unison™ technology, a breakthrough in classic mic preamp emulation. This allows you to record your music in real time with near-zero latency, through the full range of UAD plug-ins, putting racks of vintage EQs, compressors, mic preamps, tape machines, reverbs, and guitar amps at your disposal. Apollo Twin USB Duo's Unison technology, on the other hand, enables its mic preamps and front-panel DIs to mimic the world's most sought-after tube and solid state preamps, guitar amps, and stompboxes.

Designed with a smart feature set, it includes two class-leading mic/line preamps, two analog line outputs, two digitally-controlled analog monitor outputs for full resolution at all listening levels, and up to eight additional channels of digital input via Optical connection.

Key Features:

Desktop 2x6 USB 3 audio interface with world-class 24-bit/192 kHz audio conversion
Realtime UAD Processing for tracking through vintage Compressors, EQs, Tape Machines, Mic Preamps, and Guitar Amp plug-ins with near-zero (sub-2ms) latency
Unison technology offers stunning models of classic tube and transformer-based mic preamps, guitar amps, and stompboxes
Combine with UAD-2 DSP Accelerators for added UAD plug-in processing power
Up to 10 x 6 simultaneous input/output channels
64-bit device drivers
2 premium mic/line preamps; 2 line outputs; front-panel Hi-Z instrument input and headphone output
2 digitally controlled analog monitor outputs for full resolution at all listening levels
Up to 8 channels of additional digital input via Optical connection
Includes "Realtime Analog Classics" UAD plug-in bundle
Runs UAD Powered Plug-Ins via VST, RTAS & AAX 64
Attractive and durable desktop form factor
Locking power supply prevents accidental disconnection
Easily updateable firmware
One year warranty includes parts and labor

Product specs

Brand	Universal Audio
Model	Apollo Twin DUO USB Audio Interface
Finish	Silver
Year	2010s
Categories	Audio Interfaces
Bit Depth	24-bit
Bus-Powered	No
Compatibility	Windows
Computer Connectivity	USB
Digital Input Format	ADAT/Optical
Electronics	Analog, Digital, Solid State
Format	Desktop Standalone
Number of Analog Inputs	2
Number of Analog Outputs	4
Number of Channels	14
Number of Digital Inputs	8
Number of Digital Outputs	0
Number of Headphone Outputs	1
Number of MIDI Inputs	0
Number of MIDI Outputs	0
Number of Mic Preamps	2
Sample Rate	192 khz
Simultaneous I/O	10 x 6

FAQs

Is the Universal Audio Apollo Twin USB Duo compatible with macOS?: No, the Universal Audio Apollo Twin USB Duo is not compatible with macOS. It is designed for use with Windows systems.
What type of connectivity does the Apollo Twin USB Duo offer?: The Apollo Twin USB Duo offers USB connectivity, allowing it to connect to Windows computers via a USB cable.
How many mic preamps are included in the Apollo Twin USB Duo?: The Apollo Twin USB Duo features two high-quality mic preamps, suitable for professional-grade audio recording.
Can the Apollo Twin USB Duo handle high-resolution audio?: Yes, the Apollo Twin USB Duo supports a sample rate of up to 192 kHz and a bit depth of 24-bit, enabling high-resolution audio recording and playback.
Does the Apollo Twin USB Duo require an external power source?: Yes, the Apollo Twin USB Duo is not bus-powered and requires an external power source to operate.
What is the purpose of the onboard DSP processing in the Apollo Twin USB Duo?: The onboard DSP processing allows users to monitor and record through UAD DSP plug-ins in real-time with near-zero latency, providing a seamless recording experience.

Videos

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Universal Audio Apollo Twin DUO USB - First Impression

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Reviews

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PROS

Best portable interface in the music industry
Superior sound quality with high-quality digital analog converters and pre-amps
Near-zero latency with USB 3.0 connection
Includes free top-quality UAD plugins
Versatile recording with guitars, vocals, and analog synthesizers
Unison technology for smoother, clearer preamp/mic recordings
Impressive "Hi-z" technology for superior guitar recording
Practical hardware design with a quality feel
Significantly better performance than competitors like Focusrite Scarlett

CONS

Plugins are considered overpriced by some users
Requires a learning and financial investment for full benefits
Some users report difficulty with installation and setup on PC
Limited to a maximum buffer size of 2048, which can be restrictive
Unit may run hot, potentially needing additional cooling
Lack of talkback function on Windows version
Confusing interface and button layout for some users
Customer support availability issues reported

Owner Insights

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

Comparisons

0 0

The Apollo Twin X offers superior audio conversion with better dynamic range than the MkII and USB models, catering to high-end setups.
Source
0 0

The Audient ID14 Mk2 and Apollo Twin have comparable preamps, but Apollo's outputs are noted to be superior.
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0 0

If planning to add reverbs or Auto-Tune, upgrading from the Duo to the Quad is recommended for more DSP headroom.
Source

Features and functionality

0 0

The Apollo Twin MkII includes a built-in talkback mic, enhancing communication during recording sessions.
Source
0 0

The Apollo Twin X supports Unison preamps for superior emulation of classic hardware, enhancing the realism of recorded sounds.
Source
0 0

The Apollo Twin Duo allows real-time monitoring with effects, beneficial for vocalists who need to hear processed sound while recording.
Source
0 0

The Apollo Twin X Duo can handle a vocal chain with preamp/channel strips like Avalon, Manley, or Neve, plus compressors, without significant DSP impact.
Source
0 0

The Apollo Twin X is marketed as a 10-in, 6-out device, but physically has 3 inputs and 4 outputs, causing some confusion.
Source

Software and compatibility

0 0

The USB version supports Windows exclusively, lacking Thunderbolt connectivity for Mac systems.
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0 0

Users report that Apollo interfaces can cause macOS kernel panic on waking from sleep, a bug recently fixed.
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0 0

Using UAD plugins natively can depend on your computer's power; more powerful machines may not need the Quad for additional DSP.
Source

Build quality

0 0

The Apollo Twin's large, smooth knob and intuitive input/output switching enhance user experience beyond just sound quality.
Source

User experience

0 0

Real-time Unison preamp emulation on Apollo interfaces provides a noticeable difference in sound quality, closely mimicking actual hardware.
Source

Use cases and applications

0 0

Apollo's low-latency monitoring is particularly valued for live tracking of vocals and instruments, reducing the need for post-processing adjustments.
Source
0 0

For vocal recording, using a Unison preamp with a compressor and plate reverb on monitor doesn't heavily tax the Apollo Twin Duo's DSP.
Source
0 0

The Manley Voxbox plugin, which interests some users, consumes approximately 50% of the Duo's DSP capacity.
Source

Critic Reviews

Universal Audio Apollo Twin USB Interface review | MusicRadar

musicradar.com

The Universal Audio Apollo Twin USB Duo is a game-changer for Windows users, offering stellar performance with real-time plug-in processing and Unison technology, now accessible via USB. Its robust build and excellent sound quality, thanks to 24-bit/192 kHz resolution, make it a top-tier desktop interface. While lacking the ability to chain multiple units—a minor drawback given its two-input focus—the USB inclusion is a welcome touch. The bundled Console 2 software and classic plug-ins provide a solid start, though users might quickly crave more from UA's expansive catalog. Overall, it's a fantastic addition to any PC-based studio.

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5.0 out of 5

Based on 3 Reviews and 14 Ratings

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2 star

1 star

wolvang

125

over 8 years ago

I LOVE this thing.

Previously owned a Focusrite Scarlett 6i6 and this thing kinda blows it away. An interface is an interface so they can both get the job done equally of course, but running my preamp/mic through this thing is so much smoother and clearer. There's way less latency compared to the Focusrite and I love the controls of it. Minus the fact that it doesn't work with Mac, it's a pretty amazing interface upgrade and I'm super happy with it.

shoebird

468

about 7 years ago

I'm wishing on more stars...

There should be - at least - seven stars available to rate this. For a guitarist this is a MUST HAVE. (Almost) no latency and the best digital amps you can play through. Pair it with a console1 and you're best to go.