Has anyone got any experience of these Audiophonics or Hypex amps? I know Nord are a similar alternative maker in the UK,
www.audiophonics.fr
If you needed a lot of grunt, it seems insane value.

AUDIOPHONICS DA-S250NC Class D Integrated Amplifier NCore NC252MP DAC ES9038Q2M Bluetooth 2x250W 4 Ohm 32bit 768kHz DSD256 - Audiophonics
Versatile and powerful, we offer you with DA-S250NC a real integrated amplifier to which you can add speakers to enjoy your music in the best possible way...
If you needed a lot of grunt, it seems insane value.