Sunning performance in my high end system. The room optimiser alone is worth more than its retail price. Digitally adjusts the speaker output to suit your room. No need for acoustic treatment or heavy curtains, just plug in the microphone (supplied and cost £500 alone when new) and measure your room. The Amethyst then gives you 5 different pre sets to listen to. An absolutely Stunning piece of kit!

The Amethyst includes a 12 input preamplifier w...   read more