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JBL CSA-2120 2-Channel Commercial Power Amplifier Public Address Amp CSA2120

  • 39900


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

Inputs 4x RCA Inputs 
2x 3-Pin Euroblock Connectors Per
Outputs 4-Pin Euroblock Connector
Output Power 120 W Per Channel @ 4 or 8 Ω (Two Channels @ 1 kHz power)
Total Harmonic Distortion/Noise < 0.5%
Frequency Response +/- 1dB (@ 1 W into 4 or 8 Ω)
Load Impedance 4 or 8 Ω
Sensitivity 1.4 Vrms (@ 8 Ω)
Signal to Noise Ratio > 100 dB (Below Rated 8 Ω power @ 1 kHz, A-Weighted)
Crosstalk 70 dB Below Rated From 20 Hz to 1 kHz (A-Weighted)
50 dB Below Rated at 20 kHz (A-Weighted)
Input Impedance Balanced: 20 k Ω (Nominal)
Unbalanced: 10 k Ω (Nominal)
Line Voltage AC Line Voltage and Frequency Configurations Available:
100 to 240 V, 50/60 Hz
Maximum Input 20 dBu typical
Operating Temperature 32° to 104°F (0° to 40°C) at 95% Relative Humidity (Non-Condensing)
Dimensions (WxHxD) 8.2 x 1.7 x 7.0" (20.9 x 4.4 x 17.8 cm)


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