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The Power-XR is the latest stereo power amplifier from Cyrus. With ground-up engineering inside, the wideband high current power amplifier is capable of driving even the most challenging of loudspeakers with relative ease. There’s no shortage of innovation and upgrades under the skin.

XR series products are the manifestation of over a decade’s accumulated technology and development knowledge. With particular attention to the detail of every component that lays in the audio path, XR takes Cyrus audio performance to another level.



Unbalanced inputs (with daisy-chain out)
XLR Balanced inputs
12V trigger input MC-BUS connection (control integration with Cyrus system)
PSU-XR upgrade connection
Firmware upgrade port
Power Amplifier

The wideband power amplifier of the Power-XR responds from D.C. to beyond 100kHz ensuring ruler flat frequency response and keeping any undesirable phase shifts out of the audio band. With a generous, over-specified power supply the Power-XR power amplifier is very capable of reproducing the scale and drama of the musical performance.

High capacity power supply

The power supply includes a massive 408VA toroidal power transformer delivering power to a high capacity power supply.

PSU-XR port

The Power-XR includes a port for the new PSU-XR power supply. Thirty years ago Cyrus broke new ground with the introduction of the PSX-R, the first ever regulated power supply upgrade that automatically adapted to match perfectly the power requirements of any connected product. The PSU-XR raises the bar by sourcing no less than five independent regulated supplies in a single box. For the Power-XR a pair of these are assigned to provide ultra-smooth power for the voltage amplifier, and a second pair to provide a huge dynamic boost for the power amplifier.

LED settings tracking

The LED colour and brightness will automatically set to match the colour and brightness settings via MC-BUS from the master XR product in the system.

Low power standby consumption

The Power-XR can be remotely switched to and from a low consumption.


Power output 2 x 144W (161W with PSU-XR) into 4 Ω
Power output 2 x 110W (121W with PSU-XR) into 6 Ω
Power output 2 x 87W (95W with PSU-XR) into 8 Ω
THD+N (1kHz, 2/3 power) <0.002% 6 Ω
Input sensitivity (110W/6Ω) 450mV RCA / 900mV
XLR Input impedance 28kΩ
Frequency response (-3dB) <0.5Hz, > 100kHz
S/N ratio (unwtd) >100dB
Size (H x W x D) 75 x 215 x 355 mm (2.95” x 8.46” x 13.98”)
Weight 7.3kg (16lbs)

Cyrus Power-XR Power Amplifier

From £44.22 per month

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