dbx ZonePro 640m 6×4 Digital Zone Processor

dbx ZonePro 640m 6×4 Digital Zone Processor

Out of stock
SKU: DBX640M Category:

dbx ZonePRO 640m is a digital zone processor providing fixed I/O, pre-configured architecture, configurable insert processing and optional duplication of audio channels to another ZonePRO device via a link bus.

The 640m features a total of six inputs and four outputs. Inputs include four balanced mic/line switchable terminal block inputs and two mono-summed pairs of unbalanced RCA inputs. Hardware-controlled microphone gain allows adjustment of microphone gain per channel.

The 640m device has a pre-configured architecture with input processing, a central matrix and output processing. Two input insert positions and one output insert position allow channel-specific insert processing to be configured. AutoWarmth®, a psychoacoustic function that maintains full frequency bandwidth even when the signal level has dropped, is permanently available on each output zone.


6 Inputs / 4 Outputs

4 Balanced Mic/Line Inputs

2 Unbalanced, Mono-Summed RCA Input Pairs

Microphone Gain per Channel

Pre-Configured Architecture

Two Configurable Input Insert Positions

One Configurable Output Insert Position

AutoWarmth® per Output Zone

Link Bus

Comprehensive Signal Metering

Front Panel LCD

User-Specified Front Panel Control

Optional ZC Controllers

Ethernet Control

Serial Control

Third Party Control

Wizard-Driven Configuration


Indicators: 4 Independent Six-Segment Lightpipe Output Meters that range from -30 to +20 dBu, Threshold Meters

LCD Display: LCD Display provides information about Source Selection, Page Steering, Zone Volume and Mute

Input: 6 Total (4) Switchable Mic or Line, (2) Unbalanced, Mono-Summed RCA Input Pairs

Input Connectors: Euroblock (Line and Mic) RCA (Source)

Input Type: Electronically balanced/RF-filtered

Input Impedance: Euroblock: >50kΩ Balanced, >25kΩ Unbalanced, RF Filtered; RCA: >25kΩ Unbalanced, RF Filtered

Max Input: +20dBu Mic/Line, +12dBu RCA

CMRR: >40dB, typically >55dB @ 1 kHz

Mic Preamp gain: 30 to 60dB

Mic Preamp Equivalent Input Noise (EIN): < -118dBu, 22Hz-22kHz, 150Ω Source Impedance
Mic Preamp Phantom Power: +15VDC

Output: 4 total

Output Connectors: Euroblock

Output Type: Electronically Balanced, RF Filtered

Output Impedance: 120Ω Balanced, 60Ω Unbalanced

Max Output: +20dBu

A/D Converter: dbx Type IV™ conversion system

A/D Dynamic Range: (line) >113 dB, A-weighted, >110 dB unweighted

Type IV Dynamic Range: >119dB, A-weighted, 22kHz; BW: >117dB, unweighted, 22kHz BW

Digital Output Dynamic Range: >114 dB A-weighted, 110dB unweighted

Sample Rate: 48kHz

D/A Dynamic Range: 112 dB A-weighted, 109dB unweighted, 22kHz BW

Dynamic Range: >109 dB A-weighted, >106 dB unweighted, 22kHz BW

THD+Noise: 0.003% typical at +4dBu, 1kHz, 0dB gain

Frequency Response: 20Hz – 20kHz, +/-0.5dB

Interchannel Crosstalk: >80dB typical

Propagation Delay: 0.6 msec

Operating Voltage: 100VAC 50/60Hz, 120VAC 60Hz and 230VAC 50/60Hz

Power Consumption: 29 W

BTU: <92.13

Unit Weight: 6.05 lbs / 2.74 kg

Shipping Weight: 8.2 lbs / 4 kg

Dimensions: 1.75” (1U) x 19” x 7.75” (45mm x 483mm x 197mm)

Related products