Acurus ACT 4 20-Channel Immersive HD Audio Pre-Amp Processor $16,248.75 – $17,472.50 The ACT 4 represents a revolution in 3D-audio home cinema processors. Designed to be the heart of a modern UHD home theater, the ACT 4 combines ultimate audio performance, control flexibility, HDMI 2.0b (2.1 ready), with the absolute latest immersive sound technologies. Wrapped in a stunning minimalist design, the ACT 4 meshes the celebrated audio engineering of Acurus with the power of advanced cinema technology—all in perfect harmony. The ACT 4 also sets a new standard for ease of installation and use. An intuitive, full-color touch-sensitive front panel display simplifies setup and operation. Controllable via 3rd-party systems, the ACT 4 also offers web setup and control which enables operation of an ACT 4 theater from anywhere within the home via mobile device. The ACT 4 has both balanced and unbalanced outputs which allow for flexibility in any application. The ACT 4 supports Acurus’ own room correction technology, ASPEQT, an acoustic optimization system which is super-simple to use yet is powerful enough for the most challenging cinema environments.