Ethernet/RS232 controllable, Dolby Atmos® and DTS:X™ 13.3 (16-channel) Pre-amp/Processor with Touch Screen, XLR I/O, HDMI 2.0b, 4K, parametric EQ, downmix, phono in. The Acurus ACT 4 is a state-of-the-art component featuring high-end audio performance combined with unprecedented control and connectivity. Yearsof dedicated research, extensive testing, and engineering refinement went into the creation of this product. Since 1993, Acurus has been delivering high-value, high-performance electronics.The ACT 4 was designed, hand-assembled and tested with pride by engineers, technicians and skilled assemblers in the United States of America.