Offering an impressive collection of features packaged together in one box, the AP20 is one of the most flexible and powerful general-purpose audio processors available today. The AP20 offers up to 16 channels of digital and 8 channels of analog inputs coupled to up to 16 digital and 16 analog outputs on 3 rack units. In addition to 1 S/PDIF and 2 TOSLINK inputs, the AP20 features 4 HDMI 1.3b inputs with Blu-Ray HD decoding (DTS and Dolby) and active loudspeaker crossovers. Each of the 16 channels includes 31 bands of 3rd octave equalization, 3 bands of parametric equalization, channel gain & phase inversion control, individual Bass & Treble controls and variable delay line adjustable from 0ms to 1000ms. It also includes Dirac Live optimization technology.