UNIVERSAL AUDIO / APOLLO X4 オーディオインターフェイスThunderbolt 3

Apollo x4, a 12-in/18-out audio interface with a selection of A/D and D/A converters and four Unison mic preamps, boasts a 127 dB D/A, even when compared to commercial models. Achieves audio quality comparable to that on your desktop.

■ Audio interface
■ Thunderbolt 3 connection
■ Realtime Analog Classics Plus plug-in bundle included
Thunderbolt3 specifications, please check the minimum operating environment carefully

■ Main features of Apollo x4
・Desktop type for Mac and Windows, 12-in/18-out, Thunderbolt 3-connected audio interface
・Selected A/D and D/A converters inherited from the Apollo X rack mount model
・4 Unison mic preamps provide great modeling of classic tube, transformer-based mic preamps and guitar amps
・UAD-2 Quad core processing allows tracking with almost no latency using vintage compressors, EQs, tape machines, mic preamps, and guitar amp plug-ins.
・2 Unison compatible Hi-Z inputs equipped on the front panel
・2 headphone outputs equipped on the front panel
・Built-in talkback microphone that facilitates communication with musicians in the studio
・Equipped with monitor remote function, mono, mute, DIM, ALT monitor control, etc.
・Expanded digital input of up to 8 channels via optical ADAT/SPDIF input/output
・Comes with a "Realtime Analog Classics Plus" UAD plug-in bundle that includes Teletronix LA-2A, 1176 compressor, Pultec EQ, UA 610-B Tube Preamp & EQ, and more.*
・Supports VST, RTAS, AAX 64 and can use UAD powered plug-ins in major DAWs
・Analog circuit design without any compromise, excellent components, premium assembly quality

■ Apollo Twin x4 includes the "Realtime Analog Classics Plus" plug-in bundle. Other UAD plug-ins are sold separately at the UA store.

■ Realtime Analog Classics Plus bundle included

■ Main specifications
(Unless otherwise specified, 48kHz internal sample rate, 24bit, 20kHz bandwidth, I/O are balanced connections)

A/D D/A conversion
Corresponding sample rate (kHz): 44.1, 48, 88.2, 96, 176.4, 192
Bit rate: 24
A/D conversion channel: 4
D/A conversion channel: 10
Analog signal round-trip latency: 1.1 mSec @ 96kHz sampling rate
Analog signal round-trip latency (4 UAD plug-ins inserted in series in Console application): 1.1 mSec @ 96kHz sample rate

Analog input:
・ Mic-in 1-4 (combo jack, XLR female balance, 2-pin hot)
Phantom power: +48V (can be turned on/off for each microphone input)
Frequency characteristics: 20Hz to 20kHz (±0.05dB)
Dynamic range: 123dB (A-Weighted)
THD + N: -115dB (1 kHz @ -1dBFS)
Input impedance initial value: 5.5kΩ (variable by Unison plug-in)
Gain range: +10dB to +65dB
Pad attenuation (can be turned on/off for each microphone input): 20dB (variable by Unison plug-in)
Maximum input level (Pad on): +25.6dBu

・Hi-Z in 1 & 2 (1/4 "female TS unbalanced)
Frequency characteristics: 20 Hz to 20 kHz (± 0.05 dB)
Dynamic range: 122 dB (A-Weighted)
THD + N: -108 dB (1kHz @ -1dBFS)
Input impedance initial value: 1MΩ (variable by Unison plug-in)
Gain range: +10dB to +65dB
Maximum input level: +12.2dBu

・Line-in 1-4 (combo jack, 1/4" female TRS balance)
Frequency characteristics: 20Hz to 20kHz (±0.05dB)
Dynamic range: 122dB (A-Weighted)
THD + N: -114dB (1kHz @ -1dBFS)
Input impedance: 5kΩ
Gain range: +10dB to +65dB
Maximum input level: +20.2dBu

Analog output:
・Lineout 1-4 (1/4" female TRS balance)
Frequency characteristics: 20Hz to 20kHz (±0.05dB)
Dynamic range: 127dB (A-Weighted)
THD + N: -117dB (1kHz @ -1dB FS)
Output impedance: 100Ω
Maximum output level: +20.2dBu

・Monitor out L & R (1/4" female TRS balance)
Frequency characteristics: 20Hz to 20kHz (±0.1dB)
Dynamic range: 127dB (A-Weighted)
THD + N: -116dB
Output impedance: 100Ω
Maximum output level: +20.2dBu

・Stereo headphone out 1 & 2 (1/4" female TRS stereo)
Frequency characteristics: 20Hz to 20kHz (±0.1dB)
Dynamic range: 124dB (A-Weighted)
THD + N: -98dB (1kHz @ -1dBFS)
Maximum output: 96mW RMS (with 300Ω load)

Digital I / O:
・S/PDIF (shared with Optical TOSLINK and ADAT)
Format: IEC958
Corresponding sample rate (kHz): 44.1, 48, 88.2, 96
Number of channels: 2 (stereo L/R)

・ADAT (shared with Optical TOSLINK and S/PDIF)
Format: ADAT light pipe (S/MUX support)
Corresponding sample rate (kHz): 44.1, 48, 88.2, 96, 176.4, 192
Number of channels @ 44.1 kHz, 48 kHz: 1 to 8
Number of channels @ 88.2 kHz, 96 kHz: 1 to 4
Number of channels @ 176.4 kHz, 192 kHz: 1-2

Clock Source: Internal, S/PDIF, ADAT
(External clock synchronization is selected depending on the connected source)
Power supply: Dedicated power supply included (input: 100 to 240V AC, 50/60 Hz output: 12V DC)
Maximum power consumption: 19 W
External dimensions: 233.0 x 66.0 x 151.1 mm (W x H x D)* Excluding protrusions
Body weight: 1.07kg

■ Minimum operating environment of Apollo x4 (v9.10.2)
[Macintosh computer]
・Thunderbolt 1, 2, or 3 terminals*
・MacOS 10.12 Sierra, 10.13 High Sierra or 10.14 Mojave
* For Thunderbolt 1 or 2, Apple Thunderbolt 3 to Thunderbolt 2 Adapter (sold separately) is required.

[Windows computer]
・Thunderbolt 3 (USB-C port) terminal
・64-bit version of Windows 10

[Common]
・6GB or more free hard disk space
・Internet connection environment (for software installation, product registration, purchase of additional plug-ins)
・Host applications running VST, Audio Units, RTAS, or AAX 64 plug-ins
*Thunderbolt 3 cable and Thunderbolt 3 to Thunderbolt 2 adapter are sold separately.
*Quad Core i7 or higher processor is recommended.

*Please refer to manufacturer site for the latest operating environment.