The Apogee 2x6 Analog I/O + 8x8 Optical + AES I/O card wil give you 8 channels of I/O simultaneously. It can be a great upgrade for your studio.
The I/O Modules are the sound and soul of Symphony I/O, and represent 25 years of Apogee R&D and design excellence. These powerful Modules deliver Apogee's core competency, superior sounding digital audio recording. With 4 available I/O Modules and an 8 channel mic preamp module, you can choose from base configurations or expand to grow you studios capabilities.
What is Symphony I/O
Apogee Symphony I/O is a modular multi-channel audio interface featuring premium AD/DA conversion and world-class microphone preamps. Designed to deliver professional sound quality for audio recording, mixing and mastering on a Mac, Symphony I/O is the ultimate music production centerpiece for any modern studio. Connect Symphony I/O to any Mac based Thunderbolt, Pro Tools HD or USB audio workstation.