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.


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 PeakPlus™ 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


Input: 2 (stereo) line inputs. (1) RTA Mic input

Output: 2 (Stereo) Line outputs; 2 Sub outputs (mono or stereo)

Input Impedance: >40k ohm

Output Impedance: 120ohm

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