1. Introduction
This manual provides essential information for the safe and efficient operation of your LD Systems Stinger 28 A G3 PA System. This highly professional 2-way active system is designed for absolute, long-term reliability. With its rugged bass reflex housing and finely tuned, user-friendly presets, it is suitable for use as a full-range speaker, satellite, or monitor. Please read this manual thoroughly before using the product and keep it for future reference.

Figure 1: The LD Systems Stinger 28 A G3 PA System, a robust black speaker with a hexagonal mesh grille and integrated side handle.
2. Safety Instructions
To ensure safe operation and prevent damage, observe the following safety precautions:
- Power Supply: Connect the unit only to the specified mains voltage. Ensure the power cord is not damaged or pinched.
- Ventilation: Do not block ventilation openings. Ensure adequate airflow around the unit to prevent overheating.
- Moisture: Do not expose the unit to rain or moisture. Do not place objects filled with liquids, such as vases, on the unit.
- Heat Sources: Keep the unit away from heat sources such as radiators, heat registers, stoves, or other apparatus that produce heat.
- Cleaning: Clean only with a dry cloth. Do not use liquid cleaners or aerosols.
- Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
- Placement: Place the speaker on a stable, level surface or use appropriate stands/mounting hardware. Ensure the dual-tilt stand attachment is securely fastened if using a stand.
3. Features
The LD Systems Stinger 28 A G3 offers a range of advanced features for professional audio performance:
- Active 2 x 8" 2-way bass-reflex PA speaker.
- 131 dB max. SPL and 500-watt RMS performance with a highly-efficient digital amplifier.
- Perfect all-rounder for full-range, satellite and monitor applications.
- Practical presets for fast and user-specific frequency tuning.
- Homogeneous dispersion pattern thanks to a BEM-optimised tweeter wave guide.
4. Setup
4.1 Unboxing and Initial Inspection
Carefully remove the PA system from its packaging. Inspect the unit for any signs of damage that may have occurred during transit. The package includes the PA system unit, stands, and carrying handles. If any components are missing or damaged, contact your dealer immediately.
4.2 Placement and Positioning
The Stinger 28 A G3 can be used as a full-range speaker, satellite, or monitor. For optimal sound dispersion, consider the following:
- Floor Standing: Place the speaker on a stable, flat surface.
- Speaker Stands: Utilize the integrated dual-tilt stand attachment for pole mounting. Ensure the stand is stable and capable of supporting the speaker's weight (approximately 49 pounds).
- Monitor Use: Position the speaker on its side for use as a stage monitor.
- Flight Points: For fixed installations, use the designated flight points with appropriate rigging hardware (not included).
4.3 Connections
Connect your audio sources to the Stinger 28 A G3 using the available input options:
- Audio Inputs: The system supports Auxiliary and XLR connectivity. Connect your mixer, microphone, or other audio devices to the appropriate input jacks.
- Power: Connect the provided power cord to the unit's power input and then to a suitable electrical outlet. The power source is corded electric.
5. Operating Your PA System
5.1 Basic Controls
The Stinger 28 A G3 features a touch control method for adjusting settings. Refer to the control panel on the rear of the unit for specific input gain, master volume, and other parameter adjustments. Start with all volume controls at their minimum setting before powering on the unit.
5.2 DSP Presets
LD Systems’ proprietary DynX DSP technology ensures optimal performance. The system includes practical presets for fast and user-specific frequency tuning. These presets optimize the sound for various applications (e.g., full-range, satellite with subwoofer, monitor mode). Select the appropriate preset based on your usage scenario to achieve maximum clarity and power.
6. Maintenance
Proper maintenance ensures the longevity and performance of your PA system:
- Cleaning: Regularly wipe the exterior of the speaker with a soft, dry, lint-free cloth. Do not use abrasive cleaners, solvents, or waxes.
- Storage: When not in use for extended periods, store the speaker in a dry, dust-free environment, ideally in its original packaging or a protective cover.
- Inspection: Periodically check all cables and connections for wear or damage. Ensure all screws and fasteners are secure.
7. Troubleshooting
This section addresses common issues you might encounter. If the problem persists, contact qualified service personnel.
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound output | Power not connected; Input volume too low; Incorrect input selected; Damaged cable. | Check power connection and outlet; Increase input gain and master volume; Verify correct input source; Test with a different cable. |
| Distorted sound | Input signal too high (clipping); Speaker overloaded; Incorrect DSP preset. | Reduce input signal level; Lower master volume; Select an appropriate DSP preset for your application. |
| Intermittent sound | Loose cable connection; Faulty cable. | Secure all cable connections; Replace suspected faulty cables. |
8. Technical Specifications
Detailed specifications for the LD Systems Stinger 28 A G3 PA System:
| Specification | Value |
|---|---|
| Model Name | LDEB282AG3 |
| Speaker Type | Satellite, Woofer |
| Size | 2x8" |
| Style | Active |
| Speaker Amplification Type | Active |
| Wattage | 500 watts (RMS) |
| Speaker Maximum Output Power | 100 Watts |
| Subwoofer Diameter | 8 Inches |
| Audio Driver Size | 8 Inches |
| Connectivity Technology | Auxiliary, XLR |
| Control Method | Touch |
| Power Source | Corded Electric |
| Mounting Type | Floor Standing |
| Item Weight | 49 pounds |
| Package Dimensions | 33.4 x 16 x 14.2 inches |
| Is Waterproof | FALSE |
| Included Components | Stands, Carrying Handles |
| Compatible Devices | Desktop, Laptop, MP3 Player, Projector, Smartphone, Tablet, Television |
| Global Trade Identification Number | 04049521228155 |
9. Warranty and Support
Your LD Systems Stinger 28 A G3 PA System comes with a limited warranty. Please refer to the warranty card included with your product for specific terms and conditions regarding coverage and duration.
For technical support, service, or warranty claims, please contact your authorized LD Systems dealer or visit the official LD Systems website for contact information. When contacting support, please have your product model number (LDEB282AG3) and serial number ready.







