Mbox Pro User Guide2
• Two additional channels of analog audio in-
put with high quality microphone preamps.
Each input channel 3–4 provides:
• 48v Phantom Power and inserts
• Analog input jacks include two XLR Mic
connectors on the rear panel, and two 1/4-
inch TRS Line connectors with switchable
+4/-10 input level also on the rear panel
• Mic preamps feature a –20 dB pad and soft-
limit switch separately on each analog in-
put channel
• Mic signal is adjusted by the Gain knob for
each channel
• Two channels of analog audio input via RCA
or 1/8-inch connectors (Aux 5/6). Each input
channel provides:
• Analog input jacks provide an unbalanced
line input on either RCA connectors or a
1/8-inch mini stereo connector (common
for connecting most MP3 players)
• Inputs are fully functioning inputs to
Pro Tools as well as providing an alternate
monitor source using the Speaker button
Analog Outputs
• Six balanced 1/4-inch TRS analog outputs,
supporting line level outputs, multiple stereo
monitors, or up to 5.1 surround monitoring
• Insert jacks (1–4) for inserting external pro-
cessing devices on input channels
• 24-bit A/D and D/A converters, supporting
sample rates of 44.1 kHz, 48 kHz, 88.2 kHz,
96 kHz, 176.4 kHz, and 192 kHz
Digital I/O
• Two channels of S/PDIF digital input and out-
put. S/PDIF inputs are available independent
of and in addition to analog inputs 1–6.
S/PDIF outputs are always available in
Pro Tools
MIDI
• One MIDI In and one MIDI Out port, provid-
ing 16 channels of MIDI input and output
Other Capabilities and Specifications
• Front panel “Multi” button, assignable to a
variety of common Pro Tools functions
• Low latency direct record monitoring
• On-board tuner
• Two 1/4-inch (TRS) stereo headphone outputs
(A and B) with independently adjustable level
and routing controls
• Control room functionality including front
panel Dim/Mute, Mono and Speaker/Source
switches
• Footswitch jack for starting or stopping play-
back or punching in and out while recording
• Multi-pin port (DB15 connection) that han-
dles Word Clock, MIDI, and S/PDIF via in-
cluded breakout cable
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