dbx DriveRack PA2
dbx DriveRack PA2 Loudspeaker Management Processor
Model: DriveRack PA2 | Brand: dbx
Introduction
The dbx DriveRack PA2 is a state-of-the-art loudspeaker management system designed to optimize and protect your audio setup. It provides all the necessary processing between your mixer and amplifiers, ensuring superior sound quality and system longevity. This processor is suitable for a wide range of applications, from professional live sound events to personal setups.

Figure 1: Front view of the dbx DriveRack PA2, showing the LCD display, control knob, and various function buttons.
Key Features
- Advanced AutoEQ Algorithm: Ensures extremely accurate, fast, and non-intrusive automatic equalization. The RTA Mic listens to the room and automatically sets speaker levels and room EQ in seconds.
- Enhanced Advanced Feedback Suppression (AFS™): Delivers faster, more precise feedback elimination without adversely affecting system tone. It anticipates and adjusts speaker output to prevent feedback.
- Input Delay Module: Allows seamless delay of the front of house system to the backline for cohesive audio timing.
- Ethernet Connectivity for Mobile Control: Manage your system via Android, iOS, Mac, or Windows devices, offering convenient and flexible control options.
- Updated Wizard Setup Functions: Guides users through easy, step-by-step processes for initial setup, speaker tunings, and other settings.
- Comprehensive Processing: Includes dbx Compression, Graphic EQ, 8-Band Parametric EQ, Crossover configurations (full range, 2-way, 3-way), and Limiter.
- Rack Mountable Design: Designed for easy integration into standard audio racks.
Setup
Setting up the DriveRack PA2 is streamlined with its intuitive Wizard functions. These wizards guide you through the essential steps to configure your loudspeaker system for optimal performance.
Initial Connection
- Connect your mixer's main outputs to the INPUTS (XLR Female) on the rear panel of the DriveRack PA2.
- Connect the OUTPUTS (XLR Male) of the DriveRack PA2 to your amplifiers. Ensure correct channel assignment (e.g., Low, Mid, High).
- For automatic EQ and feedback suppression, connect an RTA (Real-Time Analyzer) microphone to the RTA MIC INPUT on the front panel.
- Connect the power cable to the unit and a suitable power outlet.
Using the Setup Wizards
The DriveRack PA2 features several wizards to simplify configuration:
- Setup Wizard: Guides you through the initial system configuration, including speaker type, amplifier settings, and crossover points.
- AutoEQ Wizard: Utilizes the RTA Mic to automatically equalize your system to the room acoustics, setting speaker levels and room EQ.
- AFS™ Wizard: Helps configure the Advanced Feedback Suppression system to identify and eliminate potential feedback frequencies.
Access these wizards by pressing the dedicated WIZARD button on the front panel and following the on-screen prompts.
Video 1: Official product overview of the dbx DriveRack PA2, highlighting its features and setup process.
Operating the DriveRack PA2
Once set up, the DriveRack PA2 offers various controls and features for fine-tuning your sound system.
Manual Adjustments
- Use the large SELECT knob to navigate menus and adjust parameters on the LCD display.
- Dedicated INSTANT ACCESS buttons (GEQ, AFS, XOVER, COMP, PEQ, LIMITER, DELAY, RTA, SUB) allow quick access to specific processing modules.
- The PRESET buttons (PRESET, RECALL, STORE, UTILITY) enable saving and recalling custom configurations.
Mobile Control
For enhanced control and visual feedback, download the dbx DriveRack PA2 app for your Android, iOS, Mac, or Windows device. Connect the DriveRack PA2 to your network via the Ethernet port and use the app to remotely manage all settings, including EQ curves, crossover points, and feedback suppression parameters.
Connections
The DriveRack PA2 provides comprehensive input and output options for seamless integration into your audio chain.
- Inputs:
- 2 Female XLR Line Inputs: For connecting stereo or dual mono mixer outputs.
- 1 Female XLR RTA Mic Input: Dedicated input for the Real-Time Analyzer microphone.
- Outputs:
- 6 Male XLR Line Outputs: For connecting to power amplifiers, supporting various speaker configurations (e.g., stereo 3-way, mono 6-way).
- Control Ports:
- Ethernet Port: For network connectivity and mobile app control.
- USB Port: For firmware updates and direct computer connection.

Figure 2: Rear panel connections of the dbx DriveRack PA2, detailing input, output, and control ports.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your DriveRack PA2.
- Cleaning: Regularly wipe the unit with a soft, dry cloth. Avoid using abrasive cleaners or solvents. Ensure ventilation slots are clear of dust and debris.
- Firmware Updates: Periodically check the dbx official website for firmware updates. Updates can provide new features, performance enhancements, and bug fixes. Follow the instructions provided with the firmware update carefully.
- Environmental Conditions: Operate the unit in a well-ventilated area, away from direct sunlight, heat sources, and excessive moisture.
- Cable Management: Ensure all cables are securely connected and properly routed to prevent strain or damage.
Troubleshooting
If you encounter issues with your DriveRack PA2, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| No audio output | Incorrect cabling; Mute engaged; Incorrect preset loaded; Amplifier issues. | Verify all XLR connections. Check if any output channels are muted on the unit or app. Load a known working preset. Ensure amplifiers are powered on and functioning. |
| Feedback issues | AFS™ not configured; Microphone placement; Gain staging. | Run the AFS™ Wizard. Adjust microphone placement to reduce proximity to speakers. Check gain levels throughout the signal chain. |
| Mobile app not connecting | Network issues; Incorrect IP settings; Firewall blocking. | Ensure the DriveRack PA2 and your control device are on the same network. Check network cable connection. Verify IP settings (DHCP recommended). Temporarily disable firewalls for testing. |
| Display is blank or frozen | Power issue; Software glitch. | Check power connection. Perform a power cycle (turn off, wait 10 seconds, turn on). If persistent, contact support. |
For more detailed troubleshooting, consult the full user manual available on the dbx website or contact dbx customer support.
Specifications
- Model Name: DriveRack PA2
- Mounting Type: Rack, Tabletop
- Inputs: 2 Female XLR Line Inputs, 1 Female XLR RTA Mic Input
- Outputs: 6 Male XLR Line Outputs
- Product Dimensions: 5.75"D x 19"W x 1.75"H
- Item Weight: 5.3 Pounds
- Color: Black
- Power Source: Corded Electric
- Wattage: 22 watts
- Frequency Response: 20 KHz
- Connectivity Technology: USB, Ethernet
- Controller Type: iOS, Android, Mac, Windows (via Ethernet)

Figure 3: Dimensions of the dbx DriveRack PA2.
What's in the Box
- 1 x dbx DriveRack PA2 2x6 PA Management Processor with Display & USB
- Power Cable
- Quick Start Guide (full manual available online)
Warranty and Support
The dbx DriveRack PA2 comes with a Limited Warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official dbx website. For technical support, troubleshooting assistance, or service inquiries, please contact dbx customer support through their official channels.
For the latest information, drivers, and software, please visit the dbx by Harman Store.
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