Introduction
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16 - Installation Guide
Product Overview
The Bose® FreeSpace® DXA 2120 Digital Mixer/Amplifier integrates digital signal processing with two powered output channels.
Designed as a mixer or router for business music applications, it features an LCD panel and controls behind the front cover for easy
access.
The mixer/amplifier provides six inputs, including four Mic/Line inputs, one Page input, and one Direct input. The Direct input
overrides all sources playing on the output channels. Each Mic/Line input provides both RCA and Euroblock jacks.
Two output channels are wired for 120 watts at 4 ohms each. For 70/100 volt applications, a jumper is required for proper
configuration. In 70/100V applications, the two outputs will operate at 100 watts per channel. A third output is available for an
auxiliary line out.
Product Features
• Signal Mixing
In Mixer Mode, simultaneously combines up to four inputs for any of the three inputs.
• Signal Rounding
In Dual Mono Select Mode, one or two inputs go to each of two outputs in dierent zones and can be remotely selected. In Stereo
Select Mode, two stereo sources go to one output zone and can be remotely selected.
• Opti-voice® Paging
Provides a smooth transition between music and page signals.
• Dynamic Equalization
Maintains tonal balance at all listening levels.
• Bose® Loudspeaker EQs
Provide equalization for Bose® loudspeakers.
• AGC (Automatic Gain Control)
When enabled, automatically compensates for low-level sources (i.e., microphone with low sensitivity).
• Room Equalization
Allows easy adjustment of tonal balance in each zone.
• Communications Port
Includes an RS-232 serial port reserved for system updates.
• Backup Power
Provides an input terminal for a +24V DC backup power source.
Figure 1. The Bose® FreeSpace® DXA 2120 Digital Mixer/Amplifier
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