Complete product information
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"title": "Universal Audio Apollo x4 Heritage Edition",
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"A special edition of UA's acclaimed Apollo x4 interface — with a premium suite of 10 award-winning plug-in titles from Helios, Fairchild, Teletronix, Pultec, UA, and more — a $2,400 value",
"Elite-class A/D and D/A conversion derived from Apollo X rackmount interfaces paired with 4 Unison mic preamps deliver stunning models of classic tube and transformer-based mic preamps and guitar amps",
"4 Unison mic preamps offer stunning models of classic tube and transformer-based mic preamps and guitar amps",
"UAD QUAD Core Processing for tracking through vintage compressors, EQs, tape machines, mic preamps, and guitar amp plug-ins with near-zero latency",
"Produce with LUNA Recording System — a fully-integrated recording application made for Apollo (Mac only)",
"Runs UAD Powered Plug-Ins via VST, AU, and AAX 64 in all major DAWs, including Logic Pro, Pro Tools, Cubase, Ableton Live, and more",
"Dual front-panel Unison-enabled Hi-Z instrument inputs and headphone outs",
"Built-in Talkback mic and dedicated monitor functionality including monitor remote functions and Mono, Mute, DIM, and ALT monitor controls",
"Up to 8 channels of additional digital input via optical ADAT/SPDIF",
"Also includes “Realtime Analog Classics Plus” UAD plug-in bundle featuring UA 610-B Tube Preamp, Legacy Pultec EQ, additional LA-2A and 1176 compressors, Marshall Plexi Classic, Ampeg SVT-VR Classic, and more"
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"specs": {
"Item Weight": "3.2 pounds",
"Product Dimensions": "11 x 8 x 5 inches",
"ASIN": "B08NYG63BF",
"Item model number": "APX4-HE",
"Customer Reviews": "4.6 4.6 out of 5 stars (373) 4.6 out of 5 stars",
"Best Sellers Rank": "#18,502 in Musical Instruments ( See Top 100 in Musical Instruments ) #126 in Computer Recording Audio Interfaces",
"Date First Available": "November 21, 2020",
"Compatible Devices": "Headphone",
"Supported Software": "ADAT, S/PDIF",
"Size": "X4",
"Operating System": "Mac"
},
"category": "Musical Instruments > Studio Recording Equipment > Computer Recording > Audio Interfaces",
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"reviews": {
"average_rating": 4.6,
"customers_say": "Customers praise the audio interface's quality, sound, and ease of use, with one customer highlighting its wide range of free plug-ins and another noting its ability to emulate multiple LA-2As and 1176s.",
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{
"title": "5.0 out of 5 stars Unbelievable quality, but issues with Windows 10",
"body": "I was sold on the UAD line for years, but only recently could I actually buy one the variants. I initially wanted to get a used UAD-1 or UAD-2 PCI Solo card, but as soon as the Apollo series was launched, I was drooling. I built a computer specifically for this device, picking a Gigabyte Gaming motherboard as that was the line that they claimed years ago was compatible. Since their information was outdated even then and motherboards continually are replaced with new ones, I went with the current Z270X Gaming 7 variant. This board also had Thunderbolt 3 onboard, so no need for an add-on. The unit needs some software, such as the UAD console, to be installed. It claims to support WDM, but in my experience, it's not what you would expect from such an expensive product by such a legendary company. On my first attempt to use it, I could here computer audio for half a second and then it would stop. In fact, if it was a Youtube video, the video would immediately hang after that half second of audio made it through. After troubleshooting, I realized that if you right-click on the volume control on the taskbar, then select \"Sounds\", then \"Playback\", I could disable the Apollo and reenable it and it would begin working uninterrupted, and the spinning Youtube video would instantly start playing again. This was very odd, but there is a drawback to this \"work around\", there is intermittent noise and any inputs on the Apollo are destroyed by far more noise. Basically, it's unusable to record if you do the disable/enable trick. That said, just turning it on and using Pro Tools, it works flawlessly. Essentially the WDM audio will not be available, but recording via the 2 inputs as well as the 8 ADAT lightpipe channels has none of the noise that occurs if you do the disable/enable trick. Support is a bit of a joke if you want to speak to a human. Their website states that it's 4 days a week from 9am to 1pm PST, but that's not true, it's only 11am to 1pm—only 2 hours for 4 days a week! The person I spoke with was friendly enough, but he didn't even own an Apollo device himself. I'm awaiting contact from support for more troubleshooting, but I've disabled all the BIOS settings requested, set my processor to a static speed, and everything under the sun that is suggested on forums, but nothing has worked. There are plenty of people complaining about Windows 10 support, so be aware of this. All that said, it's still work it for me. This unit gives the ability to record 10 channels of audio (using the ADAT input for 8), supports Unison for real-time emulation of some preamps like Avalon, gives easy control of input, monitor, and phone levels, and comes with some of the most iconic compressor/limiters. This is what I was after all along, the ability to emulate multiple LA-2As and 1176s, rather than pay $2000 to $4000 for a hardware unit for only one channel. I've since gone plugin crazy, thanks to the terrific holiday sales that were happening and acquired pretty much everything that I could want. Now, I can emulate awesome sounding bass and guitar amps, add some classic sounding reverbs, and even do some vocoding. All in all, I couldn't be happier with the performance, but I do have a huge point of contention with the poor Windows 10 support. Still, the pros outweigh the cons, and my mixes are exploding with quality that I never could achieve before with knock off plugins like Reaper has built in. There is such a massive difference, I can't ever go back. Read more",
"author": "Exit",
"rating": 5,
"date": "February 2, 2022",
"verified": true,
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},
{
"title": "5.0 out of 5 stars WOW! Sounds like hardware, No more lugging around hardware and messing with outboard gear! So good",
"body": "I have the UAD Apollo Twin X Heritage Edition. I also own the RME Babyface Pro FS. Let me tell you, if I am doing mainly voice overs and some editing on music, I would use the UAD Apollo Twin X more than my Babyface Pro FS. Don't get me wrong, the Babyface Pro FS is also pretty freaking amazing as well. You can't go wrong with either. This review is about the UAD Apollo Twin X. So at first, I was confused about the preamps and plugins and though, you're already getting native UAD plugins but I didn't realize, they don't sound the same as unison preamps that are with the Apollo hardware. It's no wonder people go for these vs a hardware compressor and EQ, etc. I mean, if you have that kind of money, go for them, they definitely sound good but make no mistake, I had a lot of outboard hardware too and now most of them have been replaced with the Apollo Twin X Unison Preamps and Plugins. Impedance Interaction is what separates just slapping on a regular native UAD plugin vs a Unison Plugin from UAD. Native doesn't sound like it but for some reason, the unisons have that 'real' feeling to it and after looking it up and listening, it has electrical behavior that interacts with your mic/line input and adds depth, smoothness, thickness, color, and make it more alive and organic vs just a regular 3rd party plugin. Trust me, it's not the same as NATIVE UAD plugins. Anyways, for the value, this interface is way leagues ahead of a SSL 2+, Scarlett, Audient ID series. I know this because I owned those interfaces from the past, from Mbox to Audient to SSL and Focusrite, UAD and RME are in a league of it's own. There is nothing 'budget' about them, they sound so professional and I could tell especially since my mixes sound much better. It feels so premium and good. Barely any latency. Very easy to use. I use Mac OS with the latest OS for my M1 Pro and M1 Air and Intel 2020 iMac. So yes, I even recommend this one even though there is a newer version of the UAD Twin X gen 2. This one is still real good! One of my favorite interfaces, ever! You can't go wrong, trust me! Read more",
"author": "K C",
"rating": 5,
"date": "May 25, 2025",
"verified": true,
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{
"title": "5.0 out of 5 stars Best unit for home recording, hands down",
"body": "I've recorded an entire album from my home studio with this unit. It has unparalleled sound quality, and is fairly simple/straightforward to use. It's got more bells and whistles than I typically need, but I do like the fact that I can insert outboard gear like a preamp or compressor into the signal chain while recording. The one other thing I'd mention is that UAudio definitely seems to keep up to date with patches for the constantly changing Mac OS requirements. I would definitely recommend it, plus it comes with some great plugins (LN1176, LA-2A, etc.). Those are a huge added value on their own. Read more",
"author": "The Central Scrutinizer",
"rating": 5,
"date": "June 30, 2025",
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"short_description": "A Special Edition of Universal Audio's Acclaimed Apollo x4 Interface, with a Bundled UAD Plug-In Package Worth over $2,400. Apollo x4 Heritage Edition has all the benefits of the acclaimed Apollo x4, including elite-class A/D and D/A conversion, QUAD Core realtime UAD plug-in processing, Unison-enabled mic preamps, and full LUNA Recording System integration. And it goes a step further, with a software suite of 10 award-winning UAD plug-in titles, featuring Collections from Helios, Fairchild, Teletronix, Pultec, and UA.",
"about_this_item": "A Special Edition of Universal Audio's Acclaimed Apollo x4 Interface, with a Bundled UAD Plug-In Package Worth over $2,400. Apollo x4 Heritage Edition has all the benefits of the acclaimed Apollo x4, including elite-class A/D and D/A conversion, QUAD Core realtime UAD plug-in processing, Unison-enabled mic preamps, and full LUNA Recording System integration. And it goes a step further, with a software suite of 10 award-winning UAD plug-in titles, featuring Collections from Helios, Fairchild, Teletronix, Pultec, and UA. A special edition of UA's acclaimed Apollo x4 interface — with a premium suite of 10 award-winning plug-in titles from Helios, Fairchild, Teletronix, Pultec, UA, and more — a $2,400 value; Elite-class A/D and D/A conversion derived from Apollo X rackmount interfaces paired with 4 Unison mic preamps deliver stunning models of classic tube and transformer-based mic preamps and guitar amps; 4 Unison mic preamps offer stunning models of classic tube and transformer-based mic preamps and guitar amps; UAD QUAD Core Processing for tracking through vintage compressors, EQs, tape machines, mic preamps, and guitar amp plug-ins with near-zero latency; Produce with LUNA Recordin",
"long_description": "A Special Edition of Universal Audio's Acclaimed Apollo x4 Interface, with a Bundled UAD Plug-In Package Worth over $2,400. Apollo x4 Heritage Edition has all the benefits of the acclaimed Apollo x4, including elite-class A/D and D/A conversion, QUAD Core realtime UAD plug-in processing, Unison-enabled mic preamps, and full LUNA Recording System integration. And it goes a step further, with a software suite of 10 award-winning UAD plug-in titles, featuring Collections from Helios, Fairchild, Teletronix, Pultec, and UA.\n\nHighlights: A special edition of UA's acclaimed Apollo x4 interface — with a premium suite of 10 award-winning plug-in titles from Helios, Fairchild, Teletronix, Pultec, UA, and more — a $2,400 value Elite-class A/D and D/A conversion derived from Apollo X rackmount interfaces paired with 4 Unison mic preamps deliver stunning models of classic tube and transformer-based mic preamps and guitar amps 4 Unison mic preamps offer stunning models of classic tube and transformer-based mic preamps and guitar amps UAD QUAD Core Processing for tracking through vintage compressors, EQs, tape machines, mic preamps, and guitar amp plug-ins with near-zero latency Produce with LUNA Recording System — a fully-integrated recording application made for Apollo (Mac only) Runs UAD Powered Plug-Ins via VST, AU, and AAX 64 in all major DAWs, including Logic Pro, Pro Tools, Cubase, Ableton Live, and more Dual front-panel Unison-enabled Hi-Z instrument inputs and headphone outs Built-in Talkback mic and dedicated monitor functionality including monitor remote functions and Mono, Mute, DIM, and ALT monitor controls Up to 8 channels of additional digital input via optical ADAT/SPDIF Also includes “Realtime Analog Classics Plus” UAD plug-in bundle featuring UA 610-B Tube Preamp, Legacy Pultec EQ, additional LA-2A and 1176 compressors, Marshall Plexi Classic, Ampeg SVT-VR Classic, and more\n\nKey details: Item Weight: 3.2 pounds | Product Dimensions: 11 x 8 x 5 inches | Customer Reviews: 4.6 4.6 out of 5 stars (373) 4.6 out of 5 stars | Compatible Devices: Headphone | Supported Software: ADAT, S/PDIF | Size: X4 | Operating System: Mac\n\nWhat you can expect: A special edition of UA's acclaimed Apollo x4 interface — with a premium suite of 10 award-winning plug-in titles from Helios, Fairchild, Teletronix, Pultec, UA, and more — a $2,400 value Elite-class A/D and D/A conversion derived from Apollo X rackmount interfaces paired with 4 Unison mic preamps deliver stunning models of classic tube and transformer-based mic preamps and guitar amps 4 Unison mic preamps offer stunning models of classic tube and transformer-based mic preamps and guitar amps UAD QUAD Core Processing for tracking through vintage compressors, EQs, tape machines, mic preamps, and guitar amp plug-ins with near-zero latency Produce with LUNA Recording System — a fully-integrated recording application made for Apollo (Mac only) Runs UAD Powered Plug-Ins via VST, AU, and AAX 64 in all major DAWs, including Logic Pro, Pro Tools, Cubase, Ableton Live, and more Dual front-panel Unison-enabled Hi-Z instrument inputs and headphone outs Built-in Talkback mic and dedicated monitor functionality including monitor remote functions and Mono, Mute, DIM, and ALT monitor controls Up to 8 channels of additional digital input via optical ADAT/SPDIF Also includes “Realtime Analog Classics Plus” UAD plug-in bundle featuring UA 610-B Tube Preamp, Legacy Pultec EQ, additional LA-2A and 1176 compressors, Marshall Plexi Classic, Ampeg SVT-VR Classic, and more\n\nCustomer feedback: 4.6/5 average rating.\n\nCustomers say: Customers praise the audio interface's quality, sound, and ease of use, with one customer highlighting its wide range of free plug-ins and another noting its ability to emulate multiple LA-2As and 1176s.\n\nReview snippets: I was sold on the UAD line for years, but only recently could I actually buy one the variants. I initially wanted to get a used UAD-1 or UAD-2 PCI Solo card, but as soon as the Apollo series was / I have the UAD Apollo Twin X Heritage Edition. I also own the RME Babyface Pro FS. Let me tell you, if I am doing mainly voice overs and some editing on music, I would use the UAD Apollo Twin\n\nFrom the manufacturer The video showcases the product in use. The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. Previous page Next page Previous page Hear Every Detail in your Recordings Apollo x4 improves upon the original Apollo Twin’s gold‑standard audio quality with completely redesigned A/D and D/A conversion — giving you increased dynamic range and ultra‑low THD. Record Synths and Vocals through Iconic Preamps With its four Unison preamps and dual front panel Hi‑Z instrument inputs, Apollo x4 lets you track in realtime through preamp and channel strip plug-ins from Neve, Manley, API, and dozens more. The Pro Sounds of Analog Hardware, on your Desktop Out of the box, Apollo x4's included plug-ins give you album-ready tones in realtime with professional tools like the UA 610-B Tube Preamp & EQ, Teletronix LA‑2A tube compressor, and more. Record with a Fast, Natural Workflow using LUNA Apollo x4 works with all major DAWs, but only LUNA Recording System gives you seamless integration with Apollo, for big analog studio sound in realtime with a host of built-in features and extensions. Your New Analog Studio, Expanded Link up to four Apollos for 156 channels of premium I/O as your studio grows — and control it all from your desktop using Apollo x4. Next page Key Features • Desktop 12 x 18 Thunderbolt 3 audio interface for Mac and Windows with elite A/D and D/A conversion inherited directly from the acclaimed Apollo X rackmount interfaces (backwards compatible with Thunderbolt 1 & 2 on Mac)",
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"text": "A Special Edition of Universal Audio's Acclaimed Apollo x4 Interface, with a Bundled UAD Plug-In Package Worth over $2,400. Apollo x4 Heritage Edition has all the benefits of the acclaimed Apollo x4, including elite-class A/D and D/A conversion, QUAD Core realtime UAD plug-in processing, Unison-enabled mic preamps, and full LUNA Recording System integration. And it goes a step further, with a software suite of 10 award-winning UAD plug-in titles, featuring Collections from Helios, Fairchild, Teletronix, Pultec, and UA."
},
{
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"text": "Highlights: A special edition of UA's acclaimed Apollo x4 interface — with a premium suite of 10 award-winning plug-in titles from Helios, Fairchild, Teletronix, Pultec, UA, and more — a $2,400 value Elite-class A/D and D/A conversion derived from Apollo X rackmount interfaces paired with 4 Unison mic preamps deliver stunning models of classic tube and transformer-based mic preamps and guitar amps 4 Unison mic preamps offer stunning models of classic tube and transformer-based mic preamps and guitar amps UAD QUAD Core Processing for tracking through vintage compressors, EQs, tape machines, mic preamps, and guitar amp plug-ins with near-zero latency Produce with LUNA Recording System — a fully-integrated recording application made for Apollo (Mac only) Runs UAD Powered Plug-Ins via VST, AU, and AAX 64 in all major DAWs, including Logic Pro, Pro Tools, Cubase, Ableton Live, and more Dual front-panel Unison-enabled Hi-Z instrument inputs and headphone outs Built-in Talkback mic and dedicated monitor functionality including monitor remote functions and Mono, Mute, DIM, and ALT monitor controls Up to 8 channels of additional digital input via optical ADAT/SPDIF Also includes “Realtime Analog Classics Plus” UAD plug-in bundle featuring UA 610-B Tube Preamp, Legacy Pultec EQ, additional LA-2A and 1176 compressors, Marshall Plexi Classic, Ampeg SVT-VR Classic, and more"
},
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"text": "Key details: Item Weight: 3.2 pounds | Product Dimensions: 11 x 8 x 5 inches | Customer Reviews: 4.6 4.6 out of 5 stars (373) 4.6 out of 5 stars | Compatible Devices: Headphone | Supported Software: ADAT, S/PDIF | Size: X4 | Operating System: Mac"
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"text": "What you can expect: A special edition of UA's acclaimed Apollo x4 interface — with a premium suite of 10 award-winning plug-in titles from Helios, Fairchild, Teletronix, Pultec, UA, and more — a $2,400 value Elite-class A/D and D/A conversion derived from Apollo X rackmount interfaces paired with 4 Unison mic preamps deliver stunning models of classic tube and transformer-based mic preamps and guitar amps 4 Unison mic preamps offer stunning models of classic tube and transformer-based mic preamps and guitar amps UAD QUAD Core Processing for tracking through vintage compressors, EQs, tape machines, mic preamps, and guitar amp plug-ins with near-zero latency Produce with LUNA Recording System — a fully-integrated recording application made for Apollo (Mac only) Runs UAD Powered Plug-Ins via VST, AU, and AAX 64 in all major DAWs, including Logic Pro, Pro Tools, Cubase, Ableton Live, and more Dual front-panel Unison-enabled Hi-Z instrument inputs and headphone outs Built-in Talkback mic and dedicated monitor functionality including monitor remote functions and Mono, Mute, DIM, and ALT monitor controls Up to 8 channels of additional digital input via optical ADAT/SPDIF Also includes “Realtime Analog Classics Plus” UAD plug-in bundle featuring UA 610-B Tube Preamp, Legacy Pultec EQ, additional LA-2A and 1176 compressors, Marshall Plexi Classic, Ampeg SVT-VR Classic, and more"
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"text": "Customer feedback: 4.6/5 average rating."
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"text": "Customers say: Customers praise the audio interface's quality, sound, and ease of use, with one customer highlighting its wide range of free plug-ins and another noting its ability to emulate multiple LA-2As and 1176s."
},
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"text": "Review snippets: I was sold on the UAD line for years, but only recently could I actually buy one the variants. I initially wanted to get a used UAD-1 or UAD-2 PCI Solo card, but as soon as the Apollo series was / I have the UAD Apollo Twin X Heritage Edition. I also own the RME Babyface Pro FS. Let me tell you, if I am doing mainly voice overs and some editing on music, I would use the UAD Apollo Twin"
},
{
"type": "p",
"text": "From the manufacturer The video showcases the product in use. The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. Previous page Next page Previous page Hear Every Detail in your Recordings Apollo x4 improves upon the original Apollo Twin’s gold‑standard audio quality with completely redesigned A/D and D/A conversion — giving you increased dynamic range and ultra‑low THD. Record Synths and Vocals through Iconic Preamps With its four Unison preamps and dual front panel Hi‑Z instrument inputs, Apollo x4 lets you track in realtime through preamp and channel strip plug-ins from Neve, Manley, API, and dozens more. The Pro Sounds of Analog Hardware, on your Desktop Out of the box, Apollo x4's included plug-ins give you album-ready tones in realtime with professional tools like the UA 610-B Tube Preamp & EQ, Teletronix LA‑2A tube compressor, and more. Record with a Fast, Natural Workflow using LUNA Apollo x4 works with all major DAWs, but only LUNA Recording System gives you seamless integration with Apollo, for big analog studio sound in realtime with a host of built-in features and extensions. Your New Analog Studio, Expanded Link up to four Apollos for 156 channels of premium I/O as your studio grows — and control it all from your desktop using Apollo x4. Next page Key Features • Desktop 12 x 18 Thunderbolt 3 audio interface for Mac and Windows with elite A/D and D/A conversion inherited directly from the acclaimed Apollo X rackmount interfaces (backwards compatible with Thunderbolt 1 & 2 on Mac)"
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