Site updated: 20.1.19

Highly recommended

Good advice, great service and excellent products! (17th December 2018 via Trustpilot)
HFX 573 Mini class.d 1300W/6 HYPEX, Amplifier

mCubed HFX 573 Mini class.d 1300W/6 HYPEX, Amplifier

The HFX mini class.d combines computer technology with high end audio device at its highest integration. The high-end class.d modules ensure high efficiency at highest quality level.

The HFX Mini class.d is fully controlled by the connected HTPC. It is connected by the analog line-in. Other aspects like volume on/off as well as software equaliser, sound effects and Dolby Digital modes are controlled by the HTPC.

Class.d high-grade audiophile amplifier modules from HYPEX ensure highest sound quality at maximal sound pressures.

Enormous passive cooling capacities reveal the whole potential of the amplifier modules. The product design fits with the HFX Mini series perfectly for Home Theater Computers (HTPC) and Storage box.

PLEASE NOTE: The HFX mini class.d amplifier is completely manufactured in Austria and has limited availability.


  • Six speakers (front left, front right, centre, rear left, rear right, subwoofer)
  • Audio in stereo RCA
  • Remote on/off in0 and out*
  • 240V AC with fuse

* If the HFX Mini class.d will be connected with a laptop, then a 12V PSU is needed to simulate the remote on/off. This 12V PSU is part of the package contents.


  1. 5 x 180W and 1 x 400W class.d amplifier modules "HG" audiophile from Hypex
  2. Three high end transformers
  3. Remote soft on and off with PC
  4. Connection to PC with analog line-in
  5. Passive cooling with heatpipes

SpecificationsHFX 573
RMS5x 180W RMS (4 Ohm) + 1x 400W RMS (4 Ohm)
ProtectionOvercurrent and Overvoltage
ClippingSoft clipping
THD1%/0.1%/0.008% at 180W/90W/1W at 4 Ohm
Efficiency92% at full power
Idle loss4W
Standby current0mA
Current limit10A per channel
Net weight16kg
Dimensions 43 x 40 x 10cm
Warranty24 months

Our Address

Quiet PC Ltd
Brawby Grange
YO17 6PZ
United Kingdom

Our Numbers

Useful Information

Keep In Touch

MasterCardMaestroPayPalAmerican ExpressVisaVisa Electron
30 day money back guarantee
2 year warranty

All prices exclude import tax. © 2000-2019 Quiet PC Ltd. If you have seen an error on this page, please let us know.