Loyola Enterprises

A veteran and minority owned SDB Certified Business.


DBX Driverack PX

757.498.6118 Ext - 109DBX Driverack PX - Call for pricing - Powered Speaker Optimizer


PDFDBX Driverack PX Cut Sheet (pdf)

PDFDBX Driverack PX Manual (pdf)

PDFDBX Driverack PX Quick Start Guide (pdf)

Powered speakers are a beautiful thing. Everyting you need bundled into one simple, tidy, portable package. Just grab ‘em and go, right? Well, you may think your powered speaker system is complete, but you’re missing half the picture. DriveRack PX is the other half. In another dbx industry first, they’ve created a processor specifically tailored for powered speakers. Utilizing their highly-acclaimed DriveRack technology, the PX picks up where your powered speakers leave off.

The DriveRack PX Powered Speaker Optimizer has everything you need to get the most out of your stereo powered speaker system. It even includes stereo or mono subwoofer support. With the included dbx M2 measurement mic, Auto-EQ corrects for audible deficiencies in the room environment. Dbx’s patented Advanced Feedback Suppression (AFS™) kills nasty feedback, allowing problem-free operation at higher sound levels, while their patented Subharmonic Synthesizer™ extends bass response for enhanced bottom end. With all that, you also get classic dbx compression and the protection offered by their graceful PeakStopPlus™ limiting. Your ears, your audience, and your powered speakers will forever thank you.

In spite of all that sophistication, rest assurd it won’t overcomplicate the simplicity of your rig. Dbx’s exclusive Setup, Auto-EQ, and AFS Wizards, and out-of-the-box support for a host of JBL and other popular powered speakers, make setup a snap. Louder, cleaner, better sound than you thought possible from your powered speakers.


  • Stereo Feedback Elimination with 12 feedback notch filters
  • Dual 28-band Graphic EQ
  • Classic dbx® Compressor
  • 120A Subharmonic Synthesizer
  • Stereo Multi-band Parametric EQ
  • Stereo PeakStopPlus™ Limiters
  • Pink Noise Generator
  • Auto-EQ with 28-Band RTA
  • JBL® and other popular powered speakers included in Setup Wizard
  • dbx M2 Measurement Mic and zippered pouch included
  • Front panel RTA-Mic XLR input with phantom power
  • 25 User Programs / 25 Factory Programs
  • 2 Channel XLR Input, 2 Channel XLR Output, 2 Channel XLR Sub Output
  • 24-Bit ADC/24-Bit DAC, >110 dB Dynamic Range
  • dbx Type IV™ Conversion System
  • Full Graphic LCD Display

Analog Inputs
Number of Inputs (2) Line inputs, (1) RTA Mic input
Input Connectors Female XLR (Line), XLR RTA (Mic)
Input Type Electronically balanced, RF filtered
Input Impedance >40 kΩ
Max. Input Level +20 dBu
Input CMRR >45 dB
Mic EIN <-110 dBu, 22Hz-22kHz, 150 Ω
Phantom Power 15 VDC
Analog Outputs
Number of Outputs (2) Line outputs, (2) Sub outputs
Output Connectors Male XLR
Output Type Electronically balanced, RF filtered
Output Impedance 120 Ω
Max. Output Level +20 dBu
A/D Performance
Type dbx Type IV™ conversion system
Dynamic Range (A-weighted/unweighted) 110 dB / 107 dB
Type IV Dynamic Range (A-weighted/unweighted) 123 dB / 121 dB
Sample Rate 48 kHz
D/A Performance
Dynamic Range (A-weighted/unweighted) 112 dB / 110 dB
System Performance
Dynamic Range (A-weighted/unweighted) 110 dB / >107 dB
THD+Noise @ 1 kHz 0.002% typ. @ +4 dBu, 0 dB input gain
Frequency Response (±0.5dB) 20 Hz–20 kHz
Interchannel Crosstalk <-110 dB, 120 dB typical
Crosstalk input to output <-100 dB
For pricing options and packages, contact us at
757.498.6118 Ext - 109, Or