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FreeSpace® DXA 2120
digital mixer/amplifier
Key Features
The Bose® FreeSpace® DXA 2120 digital mixer/amplifier
features a 6-in by 2-out design that provides signal
processing, mixing, routing, paging and two-channel
amplification for installed applications. It offers three versatile
operating modes and is easily configured using the controls
on the front panel. No external computer is required.
• Six inputs: four mic/line inputs with choice of balanced
Euroblock or unbalanced RCA connectors, one page input and
one direct input
Product Information
The DXA 2120 digital mixer/amplifier can be used in both
low- and high-impedance systems. Each of the two output
channels delivers 120 watts at 4 ohms or 100 watts for
70/100-volt applications. An auxiliary output provides a linelevel signal for system expansion.
The DXA 2120 digital mixer/amplifier has six inputs – four
mic/line inputs, one page input and one direct input that
overrides all other sources when a signal is detected. The
four mic/line inputs connect to sources via 3-pin Euroblock
connectors or dual RCA jacks.
Three operating modes provide greater flexibility for installed
music or speech applications:
Mixer Mode – Each input can be routed to every output
simultaneously. Volume for each input can be controlled
independently, or a master volume can control both outputs
simultaneously.
Dual Mono Select Mode – Two input sources are available
for each output channel. Volume control and source
selection are available in each zone.
Stereo Select Mode – Two selectable stereo sources can
be played in stereo in a single output zone. Volume control
and source selection are available in the zone.
• Two powered outputs that can operate at high or low
impedance: 2 x 120 W at 4 ohms , 2 x 65 W at 8 ohms, or 2 x
100 W at 70/100V
• Three operating modes for greater flexibility in installed
music or speech applications: Mixer Mode, Dual Mono Select
Mode, and Stereo Select Mode
• Easy setup and control via onboard controls – no computer
needed
TECHNICAL DATA SHEET
Product Overview
• DSP includes loudspeaker EQs and dynamic EQ functions
engineered specifically for Bose loudspeakers
• Opti-voice® paging provides a smooth transition between
music and announcements
• 24-volt DC backup power connection for added reliability and
integration onto fire and evacuation systems
Applications
Designed for a wide range of applications, including:
• Conference centers
• Retail stores
• Restaurants and bars
• Hotels
• Lobbies and conference rooms
The auxiliary output can be used with all three modes of
operation.
Two user interfaces, volume control and volume control with
A/B select, are available for operation from remote locations.
Bose Professional Systems Division
1
OF 5
pro.Bose.com
FreeSpace® DXA 2120
digital mixer/amplifier
TECHNICAL DATA SHEET
Technical Specifications
Power Rating
Amplifier Power
2 x 120 W at 4 ohms , 2 x 65 W at 8 ohms, or 2 x 100 W at 70/100V
Audio Performance Specifications
Frequency Response
40 Hz - 16 kHz (+0/-3 dB)
Signal-to-Noise Ratio
75 dB (below rated power, A-weighted)
THD
≤0.5 % (at full rated power)
Channel Separation (Crosstalk)
≤-60 dBV (below rated power, 1 kHz)
Dynamic Range
80 dB
Integrated DSP
A/D and D/A Converters
24-bit
Sample Rate
44.1 kHz
Audio Inputs
Input Channels
6 channels
Inputs
Connectors, Input
Mic/Line Inputs
4 balanced
3-pin Euroblock
Line Inputs
4 unbalanced
Dual RCA (summed to mono)
Page Inputs