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CXD4.3

Processing Amplifier

Features

Flexible Amplifier Summing Technology™ (FAST) drives most any loudspeaker system or configuration by distributing total amplifier power across one, two, three or all four channels.
Capable of providing up to 5,000 watts continuous and 8,000 watts peak with 70V or 100V direct drive on each output of the CXD4.3 and CXD4.5, and on bridged output pairs of the CXD4.2.
Full function onboard loudspeaker processing DSP with crossover and parametric EQ Filters, limiting and alignment delay eliminate the need for outboard loudspeaker processors.
E Series Entertainment System DSP Tunings are now available for CXD processing amplifiers:

- Visit the Amplifier Navigator Software to download and update

PowerLight universal switch-mode power supply with PFC for highest efficiency, improved audio performance, and low heat dissipation.
Powerful Intrinsic Correction™ processing maximizes the sonic performance of QSC loudspeakers.
20 factory preset configurations that can be modified and stored in the 50 user presets.
Integrated front panel with channel select and mute buttons, input and output LED metering, 400×240 LCD, intuitive navigation buttons, LED power button and indicator, and cast aluminum handles.
GPIO for additional functionality including a heartbeat output for life-safety supervision.
Four Phoenix input connectors, and four Phoenix touch-proof loudspeaker output connectors

	CXD4.2	CXD4.3	CXD4.5
Typical distortion	0.01–0.06%
Maximum distortion	1.00%
Frequency response	20 Hz–15 kHz ±0.2 dB 20 Hz–20 kHz +0.2/-0.7 dB
Noise Unweighted Output Unmuted Weighted Output Muted	-101 dB -109 dB
Gain (1.2V setting)	34.0 dB	38.4 dB	38.4 dB
Damping factor	>150
Input impedance	>10k ohm, balanced or unbalanced
Maximum rms input level (3.9V setting) (1.2V setting)	12.28 V (+24 dBu) 3.88 V (+14 dBu)
Amplifier and load protection	Short circuit, open circuit, thermal, RF protection. on/off muting, DC fault shutdown, active inrush limiting, input current limiting
AC power input	4.2: Universal Power Supply 100-132/200–240 VAC, 50–60 Hz
AC power input	4.3/4.5: Universal Power Supply 100–240 VAC, 50–60 Hz
Agency approvals	UL, CE, RoHS/WEEE compliant, FCC Class A (conducted and radiated emissions)
Carton contents	Locking IEC cable, Quick Start Guide, USB cable