Clever trick: the new models retain backwards compatibility with the old ones. If high resolution music is being fed to a new model, it can convert it to standard res for the older model on the same network.

Dubbed the HS2 range, the prices are unchanged from the existing models – $379 to $999 for each speaker depending on the model, and $599 for a preamplifier that can be connected to any stereo system. Qualifi expects them to be available by Christmas.