dbx DriveRack PA2 Complete Loudspeaker Management System


dbx designed the DriveRack PA2 to be a complete, easy-to-use loudspeaker management system for all types of musicians. The updated AutoEQ algorithm automatically dials in the ideal EQ for each room. It “listens” to your room via RTA mic (not included), analyzes it, and sets the appropriate speaker levels and room EQ.


dbx PA2 Overview

looking for a complete loudspeaker management system to fine tune your PA setup? Check out the dbx DriveRack PA2, a loudspeaker management system that can be controlled via your Mac, PC, or mobile iOS or Android device. Using an optional microphone connected to its RTA input, its AutoEQ function can be employed to listen to your room and automatically EQ it for optimized speaker performance. The AFS (Advanced Feedback Suppression) feature is designed to eliminate feedback while preserving the sound of your system.

In addition to automated functions, the DriveRack has integrated dbx compression and limiting as well as both a graphic and 8-band parametric EQ section. It also features driver-alignment delays and a crossover section that supports full-range, 2-way, and 3-way systems. You can control the DriveRack PA2 directly by connecting from your Mac or PC via the rear-panel USB port, or connect the PA2 to a wireless router via its Ethernet port for compatibility with iOS or Android devices.


  • The AutoEQ algorithm is designed to ensure an accurate, fast, and nonintrusive automatic EQ experience.
  • With an optional mic connected to the RTA Mic input listening to your room, the DriveRack PA2 AutoEQ algorithm sets speaker levels and room EQ automatically in a matter of seconds. This means room adjustments can now be made quickly, without subjecting the audience to annoying, lengthy broadcasts of pink noise.

AFS Feedback Elimination

  • The Advanced Feedback Suppression (AFS) algorithm allows for faster, more precise feedback elimination without adversely affecting your system’s tone.
  • The DriveRack PA2 listens for and anticipates feedback and adjusts speaker output automatically before feedback can start, while never altering your sound.

Wizard Setup Functions

  • Wizards make initial set up easy, while ensuring speaker tunings and other settings are up-to-date.
  • Wizard functions on the DriveRack PA2 to guide you through step-by-step processes to help you get the most from your loudspeaker system. It helps you configure level balancing, AutoEQ, Advanced Feedback Suppression, and provides access to built-in and constantly updating speaker tunings from most major speaker manufacturers.

Input Processing

  • dbx Compression
  • AFS (Advanced Feedback Suppression)
  • Graphic EQ
  • 8-band Parametric EQ (adjusted when using the AutoEQ)
  • Subharmonic synthesis

Output Processing

  • Crossover (supports full range, 2-way, and 3-way systems)
  • 8-band parametric EQs (used for speaker tunings)
  • dbx Limiting
  • Driver alignment delays

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The best sound systems depend on advanced digital signal processing to really make them shine, and dbx delivers. One of the most well-respected dynamics processing companies in the industry, dbx offers complete equalization and speaker management systems, powered speaker optimizers, direct boxes, zone controllers, equalizers and more. In addition to years of leadership and expertise in the processing field, dbx has combined its detection and summing methods, known as True RMS Level Detection and True RMS Power Summing, to reflect the “true” sounds that are heard by the human ear. dbx’s patented integrated circuit designs can detect and process natural sounds over a broad range of signals. This technology helps musicians ensure that their voices are heard at their best. DBX Nepal: All kinds of DBX product's are available in Nepal. DBX is a family of noise reduction systems developed by the company of the same name.


Dbx PA2 Specs

Analog Inputs Number of Inputs: 2 x Line Inputs, 1 x RTA Mic Input
Connectors: 2 x Female XLR Line Input, 1 x Female XLR RTA Mic Input
Type: Electronically Balanced / RF Filtered
Impedance: >50 Kilohms
Max Input Level (Line Inputs): > +20 dBu
CMRR: >45 dB
RTA Mic Preamp Phantom Power: +15 VDC
Analog Outputs Number of Outputs: 6 x Line Outputs
Connectors: Male XLR
Type: Electronically Balanced, RF Filtered
Impedance: 120 Ohms
Max Output Level: +20 dBu
Alignment Delay: Up to 10 ms per Output Channel Pair
A/D and D/A Conversion A/D Performance
A/D Converter: 24-bit with dbx Type IV Conversion System
A/D Dynamic Range: 112 dB A-Weighted, 110 dB Unweighted
Type IV Dynamic Range:
123 dB with Transient Material, A-Weighted, 22 kHz BW
121 dB with Transient Material, Unweighted, 22 kHz BW
115 dB Typical with Program Material, A-weighted, 22 kHz BW

D/A Performance
D/A Converter: 24-Bit
D/A Dynamic Range: 112 dB A-Weighted, 110 dB Unweighted

Internal Processing 32-Bit Floating Point
Sample Rate 48 kHz
Dynamic Range A-Weighted: 110 dB Unweighted: 107 dB
THD + N 0.003% Typical at +4 dBu, 1 kHz, 0 dB Input Gain
Frequency Response 20 Hz to 20 kHz, (+0 / -0.5 dB)
Crosstalk Interchannel Crosstalk: < -110 dB, -120 dB Typical (Input to Output: < -100 dB)
Latency Input to Output: 1.847 ms
Power Operating Voltage: 100 to 120 VAC 50/60 Hz
Power Consumption: 22 W
Dimensions 1.8 x 5.8 x 19″ / 4.4 x 14.6 x 48.3 cm
Weight 5.3 lb / 2.4 kg
Packaging Info
Package Weight 6.8 lb
Box Dimensions (LxWxH) 22.3 x 11.5 x 3.8″


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