1. D-901 Digital Mixer

2.  Rack-mount digital mixer  Modular design — up to 12 inputs and 8 outputs  Installed sound applications such as audio/visual, corporate boardrooms, houses of worship and zone paging  Easy to program and operate via front panel display

3. D-901 Digital Mixer  Auto-Mixing  Feedback Suppressor (12 filters)  Audio processing tools — compressors, gates, crossovers, multi-band filtering, parametric, high/low-pass, all-pass and notch filters, horn EQ, high/low shelving and output delay  Eight levels of assignable ducking for multi-level priority configurations (paging matrix)

4. D-901 Digital Mixer  Eight bus matrix allows flexible input-to-output signal routing for zoning or room-combining  Echo effect for vocal enhancement  PC software for offsite programming and archiving settings  Input and output channel metering

5. D-901 Digital Mixer  Sixteen internal memories w/ eight front panel memory select buttons  Flexible remote control module  AMX or Crestron control protocol  Front panel lockout  Built-in rack-mount brackets (3 RU)  Five year warranty

6. Front Panel

8. Input Control

9. Output Control

10. (6) 2-Channel Input Slots (2) 4-Channel Output Slots (1) Control Module Slot D-901 Modular Design

12. D-921F MIC/LINE INPUT MODULE Two balanced mic or line level inputs 24-bit A/D converters Adjustable input gain Phantom power XLR-F connectors D-921E MIC/LINE INPUT MODULE Two balanced mic or line level inputs 24-bit A/D converters Adjustable input gain Phantom power Phoenix-style terminal block connectors Input Modules

13. D-922F MIC/LINE INPUT MODULE Two balanced mic or line level inputs 20-bit A/D converters Adjustable input gain Phantom power XLR-F connectors D-922E MIC/LINE INPUT MODULE Two balanced mic or line level inputs 20-bit A/D converters Adjustable input gain Phantom power Phoenix-style terminal block connectors Input Modules

14. D-936R STEREO INPUT MODULE Four stereo inputs Unbalanced line level Individual input gain Programmable switching between channels Mix mode or individually selectable RCA pin jack connectors Input Modules

15. D-971M LINE OUTPUT MODULE Four balanced line level outputs XLR-M connectors D-971E LINE OUTPUT MODULE Four balanced line level outputs Phoenix-style terminal block connectors Output Modules

16. D-971R LINE OUTPUT MODULE Four stereo or mono sum line level outputs RCA pin jack connectors Output Modules

17. D-981 REMOTE CONTROL MODULE Eight programmable switch closure inputs for activation of memory, volume up/down, channel on/off and stereo input selection Eight programmable relay outputs of memory, channel on/off, contact input status and stereo input selection Control Module

18. D-901 Control Software

19. D-901 v2.0 Software  Crosspoint Gain Control in the Matrix/Router box  Four Automix Groups (room combining!)  Selectable Compressor or Leveler Mode in each Compressor box  Input and Output Metering in each Compressor and Automix Gate box  Echo function has been renamed "Effect"

20. D-901 Block Diagram

21. Auto-mixing Block Diagram

22. Applications  Auditoriums  Conference Facilities  Convention Centers  Educational Facilities  Gymnasiums  Hotels  Houses of Worship  Zone Paging Systems  Performing Arts Centers  Sports Facilities  Theaters  Theme Parks