32x32 Pre-Amp Audio DSP Matrix, 32x Stereo + 32x Coax,16x Opitical Digital Inputs, 32x Stereo/Digital Coax Outputs, 12x 12v Triggers, 2x Doorbell/Pager, 5 Band EQ, Adjustable Gain, Zonal Sub Woofers, Lip Sync Delay, Stereo to Mono Downmix, RS232/IP Control