Integra Research RDC-7 7.1 Preamp-Processor I bought it from codell audio Upgrade from UPG 2. contains factory upgraded THX firmware, and includes the origAudiophile-Quality Preamp Suitable for Critical Music Listening *Professional-Grade Video Signal Switching without Picture Quality Degradation *THX Ultra2 Certified, THX Surround EX 7.1-Channel Decoding *Apogee Master Clock for High Quality D/A Conversion *Above Average SNR; Analog 106dB @1V and 100dB @ 0.5V *Dual differential Burr Brown PCM 1704 DAC's for front channels *On-The-Fly Speaker Level Adjustments for multi-channel inputs (stored) *On-The Fly Speaker Level Adjustments for digital inputs (stored) *8 Balanced XLR Outputs $4,500 usd MSRP 5500 can .