Apollo x4 Gen 2 | 4-Preamp UAD Interface

Apollo x4 Gen 2 Thunderbolt Audio Interface

• Flagship desktop Apollo X Gen 2 interface
• 4 Unison preamps for classic tones
• Apollo Monitor Correction for accurate mixes
• Includes UAD Analog Classics／Pro suite

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Universal Audio Apollo x4 Gen 2｜Desktop 4-Preamp UAD Interface

Decades of analog, right where you work

Apollo x4 Gen 2 Thunderbolt Audio Interface 產品外觀

The Universal Audio Apollo x4 Gen 2 is a desktop Thunderbolt audio interface from Universal Audio, featuring elite-class Apollo X Gen 2 conversion with 24-bit / 192 kHz resolution and 129 dB dynamic range, Four Unison™ mic preamps + two Hi-Z inputs, and QUAD Core DSP processing that lets you record in realtime through 200+ UAD plug-ins from Neve, SSL, Manley, Auto-Tune and more.

Unlike native-only setups, the Apollo x4 Gen 2 hybrid DSP architecture lets you monitor classic analog tones at near-zero latency — what you track is the finished sound. Apollo Monitor Correction keeps your mix accurate in any room.

DSP core version　QUAD Core　|　Steps up from Apollo Twin X with more I/O and preamps

Quick Facts

Brand: Universal Audio
Model: Apollo x4 Gen 2
Conversion: 24-bit / 192 kHz, elite-class Apollo X Gen 2
Dynamic Range: 129 dB (D/A)
DSP: QUAD Core
Mic Preamps: Four Unison™ mic preamps + two Hi-Z inputs
I/O: 12 x 18 (Thunderbolt)
Best For: vocal & multitrack recording, mix monitoring, pro & home studios

Apollo x4 Gen 2 Thunderbolt Audio Interface 使用情境

使用者建議分析(點此展開)

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適合誰購買

Creators who want a desktop interface with realtime, zero-latency monitoring of classic tones.
Producers and mixers after Neve, API, Manley and SSL-style character committed while tracking.
Sessions that need many mics at once (bands, drums, multi-person podcasts).

誰不適合購買

Light users who only need simple two-track recording and no UAD plug-ins.
Users with no Thunderbolt port who won't add a compatible adapter or machine.

Apollo x4 Gen 2 Core Technology & Features

elite-class Apollo X Gen 2 conversion: the widest dynamic range and lowest distortion of any Apollo — 24-bit / 192 kHz, 129 dB D/A.
Four Unison™ mic preamps + two Hi-Z inputs: track in realtime through authentic Neve, Manley, API and SSL preamp emulations.
Apollo Monitor Correction: Sonarworks®-powered calibration so your mix translates in any room.*
QUAD Core hybrid DSP: combine hardware DSP with native processing for near-zero-latency UAD plug-ins in large sessions.
UAD Console App workflow: Auto-Gain, Plug-In Scenes, Bass Management and immersive monitoring.
Expandable Apollo ecosystem: link up to four Thunderbolt Apollo interfaces for up to 128 channels.

Apollo x4 Gen 2 Thunderbolt Audio Interface 細節展示

Key Capabilities

Realtime UAD tracking: record through UAD plug-ins with ultra-low latency.
Auto-Gain: set proper levels across inputs in seconds.
Bass Management: add a subwoofer to hear all the low-end.

Apollo x4 Gen 2 Thunderbolt Audio Interface 配件展示

Tech Specs

Interface	Thunderbolt audio interface (12 x 18, desktop)
Conversion	elite-class Apollo X Gen 2, 24-bit / 192 kHz
D/A Dynamic Range	129 dB
DSP	QUAD Core
Mic Preamps	Four Unison™ mic preamps + two Hi-Z inputs
Optical I/O	Toslink I/O (ADAT or S/PDIF)
Monitor / Line Out	2 x 1/4" monitor out, 4 x 1/4" line out (ALT 1/2)
Headphone Out	2 x 1/4" TRS
Monitor Correction	Apollo Monitor Correction (Sonarworks®)*
Plug-in Formats	VST, AU, AAX 64 (200+ UAD plug-ins)
Included Software	UAD Analog Classics or UAD Analog Classics Pro (up to 80+ titles)
Compatibility	Mac / Windows (LUNA, Logic Pro, Pro Tools, Cubase, Ableton Live, etc.)
Expansion	Up to 4 Thunderbolt Apollo interfaces, 128 channels
Brand	Universal Audio
Model	Apollo x4 Gen 2

Pros & Notes (Click to expand)

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Pros

elite-class Apollo X Gen 2 conversion with 129 dB dynamic range and lowest-in-class distortion.
Four Unison™ mic preamps + two Hi-Z inputs for realtime tracking through classic analog preamps.
Apollo Monitor Correction keeps mixes accurate in any room.
QUAD Core DSP with the Console app for near-zero-latency monitoring.

Notes to Know

Requires a Thunderbolt port; older or non-TB machines need to check compatibility.
Monitor correction requires a separate Sonarworks SoundID Reference license.
Advanced third-party classics (Neve/SSL/API…) need the Analog Classics Pro version or an upgrade bundle.

Apollo x4 Gen 2 Thunderbolt Audio Interface 規格示意

Apollo x4 Gen FAQ

Q：Does the Apollo x4 Gen 2 work on Windows?

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A：Yes. It runs on both Mac and Windows and is compatible with LUNA, Logic Pro, Pro Tools, Cubase, Ableton Live and other major DAWs.

Q：How many mics can the Apollo x4 Gen 2 record at once?

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A：It has 4 Unison mic preamps for 4 simultaneous realtime inputs, each with preamp emulation; add more via ADAT/expansion.

Q：Should I choose UAD Analog Classics or Analog Classics Pro?

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A：Choose Pro for a more complete set of third-party classics (Neve/SSL/API/Manley, 80+ titles); choose Analog Classics if budget is the priority.

Q：Can I expand the Apollo x4 Gen 2 later?

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A：Yes — link up to four Thunderbolt Apollo interfaces for up to 128 channels.

Included Software: UAD Plug-In Bundles

UAD Analog Classics (included with the base version, 35 titles)

Channel Strips & Preamps（6）：Century Tube Channel Strip, CS-1 Channel Strip, LA-6176 Signature Channel Strip, Precision Channel Strip, UA 610-A Preamp & EQ, UA 610-B Preamp & EQ
Compressors / Limiters（7）：Fairchild 670 Legacy Compressor, Teletronix LA-2A Legacy Leveling Amplifier, Teletronix LA-2A Tube Compressor, Precision Buss Compressor, UA 1176 FET Compressor, UA 1176LN Legacy, UA 1176SE Legacy
Equalizers（3）：Precision Equalizer, Pultec EQP-1A Legacy EQ, Pultec Pro Legacy EQ
Special Processing（5）：Oxide Tape Recorder, Precision De-Esser, Precision Enhancer Hz, Precision Enhancer kHz, Vibe Analog Machines Essentials
Instruments（1）：PolyMAX Polyphonic Synth
Delay & Modulation（3）：Galaxy Tape Echo, Precision Delay Mod, Precision Delay Mod L
Reverbs & Rooms（2）：Precision Reflection Engine, Pure Plate Reverb
Mastering（3）：Precision Limiter, Precision Maximizer, Precision Multiband
Guitar & Bass（5）：Bermuda Triangle, Raw Distortion, TS Overdrive Pedal, UAD Lion ’68 Super Lead Amp, UAD Showtime ’64 Tube Amp

UAD Analog Classics Pro (included with the upgraded version, 91 titles, superset incl. base)

Vocals & Pitch Correction（2）：Topline Vocal Suite, Topline Key Finder
Channel Strips & Preamps（19）：API Preamp, API Vision Channel Strip, API Vision Channel Strip Legacy, Avalon VT-737sp Channel Strip, CS-1 Channel Strip, Century Tube Channel Strip, Helios Type 69 Preamp & EQ, LA-6176 Signature Channel Strip, Manley Reference Microphone Preamp, Manley VOXBOX Channel Strip, Neve 1073 Preamp & EQ, Neve 88RS Channel Strip, Neve 88RS Channel Strip Legacy, Precision Channel Strip, SSL E Series Channel Strip, SSL E Series Channel Strip Legacy, UA 610-A Preamp & EQ, UA 610-B Preamp & EQ, V76 Preamplifier
Compressors / Limiters（21）：API 2500 Stereo Bus Compressor, dbx 160 Compressor / Limiter, Empirical Labs EL8 Distressor, Fairchild 660 Compressor, Fairchild 670 Compressor, Fairchild 670 Legacy Compressor, Precision Buss Compressor, SSL G Series Bus Compressor, SSL G Series Bus Compressor Legacy, Teletronix LA-2 Classic Leveler, Teletronix LA-2A Gray Classic Leveler, Teletronix LA-2A Silver Classic Leveler, Teletronix LA-2A Legacy, Teletronix LA-2A Tube Compressor, Teletronix LA-3A Classic Audio Leveler, UA 1176 FET Compressor, UA 1176 Rev A Classic Limiter, UA 1176AE Classic Limiter, UA 1176LN Rev E Classic Limiter, UA 1176LN Legacy, UA 1176SE Legacy
Equalizers（9）：Helios Type 69 Legacy EQ, Neve 1073 Legacy, Neve 1073SE Legacy, Precision Equalizer, Pultec EQP-1A Legacy EQ, Pultec EQP-1A Passive EQ, Pultec HLF-3C Passive EQ, Pultec MEQ-5 Passive EQ, Pultec Pro Legacy EQ
Special Processing（9）：A-Type Multiband Dynamic Enhancer, Ampex ATR-102 Mastering Tape Recorder, Little Labs Voice Of God Bass Resonance, Oxide Tape Recorder, Precision De-Esser, Precision Enhancer Hz, Precision Enhancer kHz, Studer A800 Multichannel Tape Recorder, Vibe Analog Machines Essentials
Instruments（1）：PolyMAX Polyphonic Synth
Delay & Modulation（8）：Brigade Chorus Pedal, Cooper Time Cube MkII Delay, EP-34 Tape Echo, Galaxy Tape Echo, KORG SDD-3000 Digital Delay, Precision Delay Mod, Precision Delay Mod L, Studio D Chorus
Reverbs & Rooms（6）：Lexicon 224 Digital Reverb, Ocean Way Studios Deluxe, Ocean Way Studios, Precision Reflection Engine, Pure Plate Reverb, UAD Sound City Studios
Mastering（3）：Precision Limiter, Precision Maximizer, Precision Multiband
Guitar & Bass（9）：Bermuda Triangle, Fender ’55 Tweed Deluxe, Raw Distortion, TS Overdrive Pedal, UAD Dream ’65 Reverb Amplifier, UAD Lion ’68 Super Lead Amp, UAD Ruby ’63 Top Boost Amplifier, UAD Showtime ’64 Tube Amp, UAD Woodrow ’55 Instrument Amplifier
LUNA Extensions（4）：Ampex ATR-102 Master Tape Extension, API Summing Extension, API Vision Console Emulation, Studer A800 Multitrack Tape Extension

* Actual titles depend on the selected version (UAD Analog Classics / Analog Classics Pro); plug-ins require registration/activation via UA Connect.

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With valid proof of purchase and product serial number, customers are entitled to manufacturer warranty and THINK2 after-sales service.
DOA / Non-human defects: Within 7 days of purchase, after verification, customers may request return or replacement.
Exclusions: Damages from misuse, unauthorized modification, consumable parts, natural disasters, or improper use beyond instructions.
Application Process: Contact customer service during business hours for return instructions.
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