Features (to name a few):

All inputs/outputs are balanced, and Pro-level

64 mic/line inputs, 20db pad, phase controls

Each channel has a direct out, a send and a return for insert...line is TRS and mic (XLR)

Pre or Post fader on foldback and auxes

4 band parametric EQ

20 bus architecture

All inputs have 48V phantom power

8 stereo groups, 8 stereo input matrix, 4 foldbacks, 4 aux

Left, Center, Right channel main mix outputs

Send and return for LCR main mix outputs

Intercom, Talk-back, Control room, Tape monitor

Digital metering bridge

Spare power supply for parts (non-operational)

Good for live sound or recording applications

Advanced cueing system

Original operating and service manual, extender cable included

60mm fader controls

2 headphone outputs

Just in case you were wonderingit has 2,826 buttons, 1,386 knobs, 95 sliders/faders