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DBX  |  SKU: 640 | Item No. 0087-0007

640 6x4 Digital Zone Processor

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MSRP: $842.29
On order

Product Features

Advanced Feedback Suppression (AFS™)


Auto Gain Control



Noise Gating

Notch Filtering

Bandpass and Crossover Filters

Parametric EQ

Security Lockout

Wall Panel Control

RS-232 Control

Windows® 2000 and XP GUI

IEC, UL and CSA Approvals


  • Dimensions:  1.75” H x 5.75” D x 19” W
  • Weight:  6.8 lbs.

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Download Spec Sheet

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With 6 inputs and 4 outputs the dbx ZonePRO® 640 provides flexible signal routing, powerful DSP processing and multiple control interfaces for Commercial Audio applications.

Beyond processing, the ZonePRO® products offer multiple forms of control to further extend the versatility of your system. From easy-to-use wall panel Zone Controllers for standard end-user functions like source select and volume control to advanced system control including a built-in Real Time Clock that can provide programmable system changes throughout the day or week. For system setup and monitoring the ZonePRO Designer software provides an intuitive interface and a speedy setup Wizard for configuring and editing all system parameters.


WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.