Rear Panel - Bose FreeSpace DXA 2120 Owner's Manual

2.3 Rear panel

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2.3.1 Audio source inputs
1 LINE INPUTS – Two unbalanced RCA audio jacks per input
(summed to mono).
2 MIC/LINE INPUTS – Balanced Euroblock input jacks. One
per input.
3 MIC/LINE switch – Adjusts for the proper signal level being
used with the four Euroblock input connectors.
(Mic connections require using the Euroblock input jacks.)
4 DIRECT INPUT – Balanced override input jack.
5 PAGE INPUT – Balanced audio input jack.
2.3.2 Outputs
6 AUX OUTPUT – Line-level signal output for other amplified
equipment.
7 OUTPUTS 1 and 2 – Speaker connections for two powered
outputs (70V, 100V, or 4 ohms operation).
2.3.3 Control input
8 REMOTE – Input jack for volume-only control and volume
control with A/B select user interfaces.
2.0 Hardware Description
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2.3.4 Power
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10 POWER OFF/ON – AC power switch.
11 FUSE – 120V T6.3AL/250V or 220-240V T3.15AL/250V.
12 AC mains line cord jack – AC line voltage input.
13 120V/220-240V switch – Switches between 120V and
2.3.5 Communication
14 COM – RS-232 serial port is reserved for system updates.
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BACKUP POWER – For connection to backup power
source.
220-240V AC input voltage. This switch is not provided on
100V AC input voltage models.
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