Electro-Voice CPS 4.5

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

Weight – Net 11.1kg (24.47 lbs)
Depth – 421.5mm (16.59″)
Width – 482.6mm (19″)
Height – 88.1mm (3.47″)
Frequency Response (-3 dB) – 15 Hz-30 kHz
Maximum Bridged Output 8Ω – 1000Watts
Mains Voltage – 220 – 240 V, 50 – 60 Hz or 120 V, 50 – 60 Hz, 50 – 60 Hz
Maximum Bridged Output 4Ω – 1000Watts
CAN Bus Interface – Optional (RCM-810 card)
Total Harmonic Distortion – 0.05%
Cooling – Front-to-Rear, continuously variable fans
Slew Rate – 28V/µs
Audio Network – No
Intermodulation Distortion (SMPTE) – 0.05%
Variable Load Drive (VLD) – Yes
DIM 30 – 0.02%
Topology – Class-D
Signal-to-Noise Ratio (A-weighted) – 100dB
Impedance – 2/4/8/8 VLD/70 V/100VΩ
Input Impedance – (Balanced) 20kΩ
Input Sensitivity 0 dBu (.775V)-2ω, +3 dBu (1.1V)-4/8ω, +6 dBu (1.55) 70V/100V
Network Control (IRIS-Net) – Optional (RCM-810 card)
Continuous Rated Power (1 kHz, THD 1%) 4Ω – 500Watts
Amplifier Gain – 32 dB (Lo-Z), 33 dB (70V), 36dB ((100V))
Continuous Rated Power (1 kHz, THD 1%) 100v – 500Watts
Continuous Rated Power (1 kHz, THD 1%) 70v -500Watts
Continuous Rated Power (20-20 kHz, THD<0,2%) 4Ω – 450Watts
Continuous Rated Power (20-20 kHz, THD<0,2%) 100v – 450Watts
Electronics Type Amplifier
Continuous Rated Power (20-20 kHz, THD<0,2%) 70v – 450Watts
Continuous Rated Power (1 kHz, THD 1%) 2Ω – 500Watts
Analog Inputs – 4, electronically balanced, Phoenix-type
Continuous Rated Power (1 kHz, THD 1%) 8Ω – 250Watts
Maximum Input Voltage – +22 (9.76 Vrms)
Continuous Rated Power (20-20 kHz, THD<0,2%) 8Ω – 225Watts