CPS 8.5

500 W/CH 8‑CH amplifier

  • Eight 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


Height 88.1mm (3.47")
Width 482.6mm (19")
Depth 421.5mm (16.59")

Weight Net 13.9kg (30.64 lbs)
Frequency Response (-3 dB) 15 Hz-30,000 Hz
Cooling Front-to-Rear, continuously variable fans
Total Harmonic Distortion 0.05%
Audio Network No
Slew Rate 28V/µs
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/71 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)
Amplifier Gain 32 dB (Lo-Z), 33 dB (70V), 36dB ((100V))
Continuous Rated Power (1 kHz, THD 1%) 4Ω 500Watts
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%) 100v 500Watts
Continuous Rated Power (20-20 kHz, THD<0,2%) 4Ω 450Watts
Continuous Rated Power (20-20 kHz, THD<0,2%) 70v 450Watts
Electronics Type Amplifier
Analog Inputs 8, electronically balanced, Phoenix-type
Continuous Rated Power (1 kHz, THD 1%) 2Ω 500Watts
Maximum Input Voltage +22 (9.76 Vrms)
Continuous Rated Power (1 kHz, THD 1%) 8Ω 250Watts
Continuous Rated Power (20-20 kHz, THD<0,2%) 8Ω 225Watts
Mains Voltage 220 - 240 V, 50 - 60 Hz or 120 V, 50 - 60 Hz, 50 - 60 Hz
Maximum Bridged Output 8Ω 1000Watts
CAN Bus Interface Optional (RCM-810 card)
Maximum Bridged Output 4Ω 1000Watts



Name Language Size Date
EV_CPS中文宣传册 ZH 645KB 05.15.2012
ProSound Loudspeakers and Electronics Catalog EN 15.43MB 04.02.2019
Name Size Date
CPS Dualchannel EC-Declaration of Conformity 7.06MB 07.02.2020
CPS Multichannel EC-Declaration of Conformity 10.02MB 07.02.2020
Name Language Size Date
CPS8.5 Engineering Data Sheet EN 2.53MB 04.12.2019
Name Language Size Date
CPS4.5, CPS4.10, CPS8.5 Owners' Manual EN 4.17MB 09.24.2009


Name Language Size Date
Allgemeine Lieferbedingungen DE 184KB 11.30.2016
General Terms & Conditions of Deliver for Export Business EN 57KB 11.26.2014
Name Language Size Date
Audio 101 - Basic Audio Terminology EN 2.74MB 12.13.2012
Audio 101 - Loudspeaker Basics EN 3.02MB 12.13.2012
The EV PA Bible EN 1.14MB 12.26.2007
The PA Bible Chapter Zero EN 1.14MB 06.11.2018
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