JBL CSA2120 2-Channel Installed Sound Power Amplifier

BH #JBCSA2120 • MFR #CSA2120
JBL CSA2120 2-Channel Installed Sound Power Amplifier
Key Features
  • 120W Output Per Channel
  • 4 or 8 Ohm Output
  • Auto-Standby Mode
  • 2 Input & Output Channels
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The CSA2120 2-Channel Installed Sound Power Amplifier from JBL features 120 watts of output per channel at 4 or 8 ohms and is designed for installed sound applications. Each of its two input channels has dual summing RCA inputs and a 3-pin detachable Euroblock input. Both channels also feature a selectable limiter and high-pass filter at 70Hz. The CSA2120 has a 4-pin Euroblock output connector for powering dual loudspeakers. The auto-standby mode disables the amplifier pulse width modulation generator when there is no signal detected.
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JBL CSA-2120 Overview

The CSA2120 2-Channel Installed Sound Power Amplifier from JBL features 120 watts of output per channel at 4 or 8 ohms and is designed for installed sound applications. Each of its two input channels has dual summing RCA inputs and a 3-pin detachable Euroblock input. Both channels also feature a selectable limiter and high-pass filter at 70Hz. The CSA2120 has a 4-pin Euroblock output connector for powering dual loudspeakers. The auto-standby mode disables the amplifier pulse width modulation generator when there is no signal detected.

The CSA2120 has both over-heat and low-voltage protection and can be rackmounted with the included rackmount kit. It has front-panel channel volume controls as well as clip, signal, and power LED indicators. The unit is powered by a switch-mode universal power supply.

Plenum Rated

The CSA2120 is Plenum Rated UL2034 for fire-retardant operation
UPC: 871015006079

JBL CSA-2120 Specs

Power Amplifier
Number of Channels2
Power Rating4 Ohms / 8 Ohms:
120 W per Channel
Load Impedance / Voltage4 / 8 Ohms
Performance
Input Sensitivity1.4 Vrms (at 8 Ohms)
Input Impedance20 Kilohms (Balanced)
10 Kilohms (Unbalanced)
SNR>100 dBA (at 8 Ohms)
THD+N<0.5%
Crosstalk70 dBA (Below Rated Power, at 1 kHz)
50 dBA (Below Rated Power, at 20 kHz)
Connectivity
I/O2 x 2RCA Input
2 x Euroblock 3-Pin Input
Euroblock 4-Pin Output
Power
AC Input Power100 to 240 VAC, 50 / 60 Hz
Physical
Operating Temperature32 to 104°F / 0 to 40°C
Dimensions8.2 x 1.7 x 7.0" / 20.9 x 4.4 x 17.8 cm
Packaging Info
Package Weight4.285 lb
Box Dimensions (LxWxH)12.15 x 11.15 x 5.15"
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I have several Intel nuc's playing movies in ...

I have several Intel nuc's playing movies in offices. I have been just using a hdmi splitter to TV's and it works fine. I now have an office with the JBL CSA-120 connected to the headphone jack on the nuc. But I get noise and static doing it this way. How can i utilized this unit and speaker system that is already there with nuc?
Asked by: Dan
Thanks for all the replies. So I changed from using the 3.5mm headphone jack on the front of the nuc to the JBL's RCA jacks to an HDMI audio extractor to the JBL RCA jacks and that helped. But what fixed the problem completely was that the interference was coming from the network cable going from the switch to the nuc. As soon as I disconnected it the crackling went away. So the nuc will be setup using wireless. I am not aware of anything that will &quot;shield&quot; the nic's patch cable (cat 6).
Answered by: Dan
Date published: 2021-04-27
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