Backed by a dedicated quad-core processor, the AE-7 handles audio processing without relying on your system's CPU, which leaves your system with more available resources for other tasks. It also features a 1 Ohm headphone output impedance that can drive studio-grade headphones of ...Backed by a dedicated quad-core processor, the AE-7 handles audio processing without relying on your system's CPU, which leaves your system with more available resources for other tasks. It also features a 1 Ohm headphone output impedance that can drive studio-grade headphones of up to 600 Ohms, 5.1-channel discrete surround for speakers, 7.1-channel virtual surround for speakers and headphones, and more.