Apogee CONNECT-8X8MP - 8x8 Analog / 8x8 AES / 8x8 ADAT / 2x2 SPDIF Module for Symphony MkII88 Analog I O + 88 AES Optical I O + 8 Mic preamps 16 Channels of I O simultaneously. The I O Modules are the sound and soul of Symphony I O Mk II, and represent over 30 years of Apogee R+D and design excellence. These powerful Modules deliver Apogee's core competency: superior sounding digital audio recording. With multiple I O and Mic Preamp modules available, you can choose from base configurations or expand to grow your studio's capabilities.