DEQX HDP-4 processor
Then, the company gave an impressive demo of their HDP-3 standalone processor mated to a pair of Gallo Reference loudspeakers and Parasound amplification, showing room interaction and examining how the sound of the system could be optimized in the frequency, phase, and, most important to DEQX, time domains.
This year, the company gave a similarly impressive demonstration of their new HDP-4 processor ($4995), which should be available in about two months.