10
Rear panel
1
8
9
10
11
12
4
5
7 6
2
3
1. INPUT 1–4 (LINE) jacks
These are 1/4" TRS phone-type balanced input jacks.
GND
Balanced TRS phone plug
Unbalanced phone plug
COLD HOT
GND
HOT
2. INPUT 1–4 (CD/LINE) jacks
These are RCA-type unbalanced input jacks.
3. PHONO 1–4 jacks, GND terminal
These are phono input jacks for connecting turntables; a grounding
terminal is also provided.
4. BOOTH OUT jacks
These outputs provide the same audio signal as the MASTER OUT
jacks. You can use the BOOTH knob to adjust the BOOTH OUT jacks
to a different level than MASTER OUT.
These are 1/4" TRS phone-type balance output jacks.
5. MASTER OUT (XLR) jacks
These jacks output the audio of the master bus.
6. REC OUT (RCA) jacks
These jacks output the audio of the master bus.
7. MIDI IN connector
This connector receives MIDI messages. Incoming MIDI messages can
be sent to your computer via the FireWire connector.
8. MIDI OUT connector
This connector re-transmits (“thru-es”) the MIDI messages received
from your computer via the FireWire connector. It also transmits MIDI
messages produced by the ZERO4 itself.
9. FireWire connector
You can connect the ZERO4 to your computer and use it as an audio/
MIDI interface.
The two connectors operate in the same way. The connector not con-
nected to your computer can be used for daisy-chain connections.
10. DIGITAL OUT (coaxial) jack
This is a S/PDIF type digital output. It outputs the same audio as the
MASTER OUT jacks in digital form.
You can connect this to the input jack of a consumer digital audio de-
vice.
It is an RCA phono-type coaxial jack.
11. Power inlet
Connect the included power cable to this connector.
12. Power switch
Turns the power on/off.