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Electro-Voice 4ch Power Amplifier

Electro-Voice CPS4.5 Contractor Precision Series amplifiers combine top-quality performance and reliability.

Advanced Details

Contractor Precision Series amplifiers combine top-quality performance and reliability with innovative designs perfectly tailored to the needs of professional sound installation.

Available in 2 RU configurations of up to eight channels, CPS amps are compact and efficient to operate, with every detail thought through from the contractor's point of view.

For fast installation and setup, each model features Phoenix-type input and output connectors, programmable power-on delay, remote power-on/off, rear-mounted attenuators, and switchable high-pass filters. For worry-free dependability, there's full protection against hazards such as excessive heat, overloads, shorts, DC, back-EMF, and inrush current.

And for the ultimate in system control and supervision, the optional RCM-810 module enables the inclusion of CPS amps in IRIS-Net networks of up to 250 devices. Offering exceptional ease, flexibility, and audio performance, CPS series is the ideal installation solution for cinema, club sound, commercial sound/life safety, and performance and sports venues.


Four channels in one compact rack-efficient unit
500 W per channel
70/100 V operation for distributed systems
Class-D design for optimum efficiency
Slot for optional RCM-810 module, allowing IRIS-Net control and monitoring
IRIS-Net selection of each channel's impedance (2-10 Ω in 0.1 Ω steps)
Rear-mounted attenuators
Switchable 50 Hz high-pass filter (Hi-Z mode)
Complete protection: thermal, overload, shorts, HF, DC, back-EMF, inrush current
Phoenix-type input and output connections
Remote power-on/off contact
Programmable power-on delay settings
Front-to-rear fans



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