Universal Audio Apollo x4 User Manual

Apollo x4 Hardware Manual 34
Hardware Block Diagram
Apollo x4 Hardware Block Diagram
V02
INPUT GAIN
10 – 65 dB
INPUT CHANNELS 1-2
A/D
HEADPHONES OUT
SHARC®
DSP
DRAM
SHARC®
DSP
DRAM
ARM®
PROCESSOR
1/4” TRS
MIXER
CLOCKING / SYNC
SYSTEM CONTROL
ø
LOW-CUT
ON/OFF
POLARITY
CONTROL
OUTPUT
VOLUME
S/PDIF, ADAT/SMUX
OPTICAL INPUT
TOP PANEL
THUNDERBOLT
TM
3
HOST INTERFACE
+48V
MIC IN
MIC PAD
IN/OUT
+48V ON/OFF
INPUT GAIN
10 – 65 dB
PAD
A/D
XLR FEMALE
LINE IN
1/4” TRS
ø
LOW-CUT
ON/OFF
POLARITY
CONTROL
MIC/LINE
SELECT
DSP DSP
EEPROM
INTERNAL
TALKBACK MIC
SHARC®
DSP
DRAM
SHARC®
DSP
DRAM
TYPE-C
HI-Z AUTOMATICALLY
SELECTED IF PLUG
INSERTED IN HI-Z JACK
Unison™
IMPEDANCE
SWITCHING
(MIC)
VCO
CLOCK
OSCILLATOR
PLL
AUDIO
CLOCKS
INPUT CHANNELS 3-4
MONITOR OUTPUTS L/R
D/A
MONITOR OUT
1/4” TRS
LINE OUTPUTS 1-4
D/A
+4dBu / -10dBV
SELECT
PAD
LINE OUT
Pad Works on
Stereo Pairs
1/4” TRS
HI-Z IN
MIC IN
MIC PAD
IN/OUT
+48V ON/OFF
PAD
MIC/LINE
SELECT
LINE IN
XLR FEMALE
1/4” TS
1/4” TRS
MIC-LINE/HI-Z
SELECT
+48V
Unison™
IMPEDANCE
SWITCHING
(HI-Z)
Unison™
IMPEDANCE
SWITCHING
(MIC)
DSP DSP
HEADPHONES 1-2 L/R
S/PDIF, ADAT/SMUX
OPTICAL OUTPUT
TOSLINK
TOSLINK
DUO
QUAD
OUTPUT
VOLUME
D/A
DSP

Universal Audio Apollo x4 Specifications

General

Audio Interface Type	Thunderbolt 3
Number of Preamps	4
A/D Resolution	24-bit/192kHz
DSP	Yes
Phantom Power	Yes
Simultaneous I/O	12 x 18
Preamp Type	Unison
Software Compatibility	macOS, Windows
Power Supply	External Power Supply
Analog Inputs	4 x XLR/TRS combo
Analog Outputs	2 x Monitor TRS, 4 x Line TRS
Digital Inputs	ADAT, S/PDIF
Digital Outputs	ADAT, S/PDIF
Headphone Outputs	2