AED 9,129
* Prices are inclusive of VAT
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We built Apollo x4 to expand on the gold-standard Apollo Twin, the audio interface that single-handedly revolutionized home studio recording. With expanded I/O, elite-class 24-bit/192 kHz audio conversion, and the widest dynamic range to date, Apollo x4 puts the sound of the stars in reach for your next collaboration.

Out of the box, Apollo x4 gives you the tools used in the world’s biggest recording studios. Along with included LA-2A compressors, Pultec EQs, and amps from Marshall and Ampeg — you can tap into the entire library of over 200 UAD plug-ins to unlock proven hit-making sounds.
| Feature | Specification |
|---|---|
| Form Factor | Desktop Audio Interface |
| I/O Count | 12 Inputs / 18 Outputs (at max sample rate) |
| Computer Connection | Thunderbolt 3 (USB-C type connector) |
| A/D and D/A Conversion | Elite-Class 24-bit / 192 kHz |
| Mic Preamps | 4 Unison-enabled mic/line preamps |
| Onboard DSP | QUAD Core SHARC DSP for Realtime UAD Processing |
| Analog Audio Inputs | 4 x Combo XLR-1/4″ TRS Balanced Mic/Line Input (Unison) 2 x 1/4″ TS Unbalanced Hi-Z Instrument Input (Unison, Front Panel) |
| Analog Audio Outputs | 2 x 1/4″ TRS Balanced Monitor Output (129 dB D/A Dynamic Range) 4 x 1/4″ TRS Balanced Line Output 2 x 1/4″ TRS Stereo Headphone Output (Independent Volume) |
| Digital Audio I/O | 1 x TOSLINK Optical Input (ADAT or S/PDIF) 1 x TOSLINK Optical Output (ADAT or S/PDIF) |
| Phantom Power | +48V, individually switchable on mic inputs |
| Key Features | Auto-Gain, Apollo Monitor Correction (powered by Sonarworks), Bass Management for Subwoofer integration, Talkback mic, Full-featured Monitor Controller, UAD Console App |
| Compatibility | macOS and Windows (Thunderbolt 3 required) |
| Included Software | Studio+ Edition UAD Plug-in Bundle (includes over 50 titles — Avalon, Manley, Empirical Labs Distressor, Auto-Tune, Teletronix LA-2A, Pultec EQs, and more) |
| Expansion | Scalable via Thunderbolt to connect with up to four Apollo interfaces |
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