DBX DriveRack PX Powered Speaker Optimizer

Priced: $399.95
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DBX DriveRack PX Powered Speaker Optimizer -

The DriveRack PX from dbx is a powered-speaker optimizer containing everything needed to get the most out of a stereo powered speaker system. It provides an effective way to manage all aspects of powered loudspeaker management for public address system applications. With its large compliment of digital processors, the unit could be the only device needed between a mixer and powered speakers.
The processor contains a Real Time Analyzer (RTA) and comes with a dbx M2 measurement microphone. These allow the user to easily optimize a system through the use of the DriveRack PX Wizards for quick and accurate venue setups. For example, the Auto-EQ Wizard automatically adjusts the response of the system by producing pink noise and adjusting the Graphic EQ until the RTA matches a selected response.
Easy to set-up, a patented Advanced Feedback Suppression (AFS) system helps tame nasty feedback and allows for operation at higher sound levels. A sub-harmonic synthesizer extends bass response for enhanced bottom end, while classic dbx compression and PeakPlus limiting keeps levels consistent.


  • Full graphic LCD display


  • dbx M2 measurement microphone and zippered pouch included


  • JBL and other popular powered speakers included in Setup Wizard
  • dbx Type IV conversion system
  • 120A sub-harmonic synthesizer
  • Front panel RTA microphone XLR input with phantom power
  • 24-bit ADC and DAC with >110dB dynamic range
  • Twenty-five user and twenty-five factory programs
  • Stereo PeakPlus limiters
  • Classic dbx compressor
  • Pink noise generator
  • JBL preset speaker combinations
  • Stereo feedback elimination with twelve feedback notch filters
  • Auto-EQ with twenty-eight band RTA (Real Time Analyser)
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1 RTA Mic input Connectors:2 Female XLR line inputs
1 XLR RTA Mic input Type:Electronically balanced, RF filtered
2 Male XLR Sub outputs Type:Electronically balanced, RF filtered
A/D Performance Type:dbx Type IV Conversion System
A/D Performance: Dynamic Range:>110dB A-weighted, 107dB unweighted
A/D Performance: Sample Rate:48kHz
Analog Inputs Impedance:>40kOhm
Analog Output Connectors:Male XLR Line Outputs
Analog Output Impedance:120Ohm
D/A Performance: Dynamic Range:112dB A-weighted, 110dB unweighted
Input CMRR:>45dB
Max Output Level:+20dBu
Maximum Input Line Level:+20dBu
Number of Inputs:2 (Stereo) Line inputs
Number of Outputs:2 (Stereo) Line outputs 2 Sub outputs (mono or stereo)
Phantom Voltage:+15DVC
RTA Mic EIN:>-110dBu, 22Hz -22kHz, 150Ohm
System Performance: Crosstalk:<-110dB, 120dB typical
System Performance: Crosstalk I/P to O/P:<-100dB
System Performance: Dynamic Range:110dB A-unweighted 107dB unweighted
System Performance: Frequency Response:20Hz -20kHz, +/-0.5dB
System Performance: THD+N:0.002% typical at +4dBu, 1kHz, 0dB input gain

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