1. Introduction
Thank you for choosing DS18 G6.9Xi GEN-X 6x9 3-Way Coaxial Speakers. These speakers are engineered to deliver clear, powerful audio for your car stereo system. This manual provides essential information for proper installation, operation, and maintenance to ensure optimal performance and longevity of your speakers.
The G6.9Xi speakers feature a robust 3-way design with two tweeters per speaker, providing a full-range sound experience. Constructed with a durable steel basket, Mylar balanced dome tweeters, and a black paper cone with a rubber surround, these speakers are built for both sound quality and durability.

Image 1: DS18 G6.9Xi GEN-X 6x9 3-Way Coaxial Speakers with grill.
2. Package Contents
Please check the package for the following items:
- 2 x DS18 G6.9Xi GEN-X 6x9 3-Way Coaxial Speakers
- 2 x Speaker Grills
- Speaker Wire
- Instruction Manual (this document)
3. Setup and Installation
Proper installation is crucial for optimal performance and safety. If you are unsure about any steps, it is recommended to seek professional installation.
3.1 Tools and Materials Required
- Wire strippers/crimpers
- Screwdriver set
- Drill (if new mounting holes are needed)
- Measuring tape
- Safety glasses
- Electrical tape or heat shrink tubing
3.2 Mounting Dimensions
Ensure your vehicle's speaker openings are compatible with the G6.9Xi speakers. Refer to the following dimensions:
- Cut-out Dimension: 167.5mm x 119mm (6.59 x 4.68 inches)
- Mounting Depth (Bottom): 76.5mm (3.01 inches)
- Mounting Depth (Top with Grill): 108.2mm (4.26 inches)

Image 2: Detailed dimensions of the DS18 G6.9Xi speaker.
3.3 Wiring Instructions
- Disconnect Battery: Before starting any electrical work, disconnect the negative terminal of your vehicle's battery to prevent electrical shorts.
- Remove Old Speakers: Carefully remove your existing speakers from their mounting locations.
- Prepare Wiring: Identify the positive (+) and negative (-) speaker wires from your car's audio system. The G6.9Xi speakers have clearly marked terminals.
- Connect Speakers: Connect the positive wire from your car to the positive terminal of the G6.9Xi speaker, and the negative wire to the negative terminal. Ensure connections are secure using crimp connectors or soldering, then insulate with electrical tape or heat shrink tubing.
- Mount Speakers: Place the G6.9Xi speakers into the prepared openings. Secure them using the provided screws. If desired, attach the speaker grills for protection and aesthetics.
- Reconnect Battery: Once all speakers are securely installed and wired, reconnect the negative terminal of your vehicle's battery.
These speakers are designed to work with both factory (OEM) radios and aftermarket amplifiers. For enhanced performance and higher volume levels, connecting to an external amplifier is recommended.
Video 1: Official DS18 G-Series Coaxial Speakers Overview. This video provides a visual guide to the features and capabilities of the G-Series speakers, including the G6.9Xi model.
4. Operating Instructions
Once installed, operating your DS18 G6.9Xi speakers is straightforward:
- Power On: Turn on your car's audio system.
- Adjust Volume: Start with the volume low and gradually increase it to your desired listening level.
- Audio Settings: Use your car stereo's equalizer or sound settings to fine-tune the bass, treble, and balance for your preferred audio experience. The 3-way design of these speakers ensures a broad frequency response for rich, detailed sound.
5. Maintenance
To keep your DS18 G6.9Xi speakers in excellent condition and ensure long-lasting performance:
- Cleaning: Use a soft, dry cloth to gently wipe the speaker cones and grills. Avoid using harsh chemicals or abrasive materials, as these can damage the speaker components.
- Grill Protection: Keep the speaker grills installed to protect the cones and tweeters from physical damage, dust, and debris.
- Avoid Overpowering: While these speakers are designed for high power handling, continuous overpowering can lead to damage. Listen responsibly and avoid prolonged listening at maximum volume levels that cause audible distortion.
6. Troubleshooting
If you encounter issues with your speakers, try the following basic troubleshooting steps:
- No Sound:
- Check all wiring connections at both the speaker and the head unit/amplifier. Ensure they are secure and correctly polarized (+ to +, - to -).
- Verify that the head unit or amplifier is powered on and functioning correctly.
- Check the audio source (radio, CD, Bluetooth device) to ensure it is playing sound.
- Distorted Sound:
- Reduce the volume level. Distortion often occurs when the speakers are overdriven.
- Check your head unit's or amplifier's gain settings. If the gain is set too high, it can cause distortion.
- Inspect speaker wires for any frayed strands or shorts that might be causing interference.
- One Speaker Not Working:
- Swap the non-working speaker with a working one (if possible and safe to do so) to determine if the issue is with the speaker itself or the wiring/source.
- Check the individual wiring for that specific speaker.
If these steps do not resolve the issue, please contact DS18 customer support.
7. Specifications
| Feature | Specification |
|---|---|
| Model | G6.9XI |
| Type | Coaxial, 3-Way |
| Size | 6x9 inches |
| RMS Power | 60 Watts |
| MAX Power | 180 Watts |
| Frequency Response | 65-20KHz |
| Impedance | 4 Ohm |
| Sensitivity | 87dB/w/m |
| Surround Material | Rubber Edge |
| Cone Material | Black Paper |
| Voice Coil Wire | ASV |
| Voice Coil Size | 1.25 inches (30mm) |
| Magnet Size | 100x60x18mm |
| Tweeter Size | 28mm/20mm Mylar Dome |
| Mounting Depth (Bottom) | 76.5mm (3.01 inches) |
| Mounting Depth (Top with Grill) | 108.2mm (4.26 inches) |
| Cut-out Dimension | 167.5mm x 119mm (6.59 x 4.68 inches) |
| Product Dimensions (D x W x H) | 9"D x 4"W x 6.5"H |
| Item Weight | 6.21 pounds |
| Woofer Magnet Material | Barium Ferrite |
| Woofer Magnet Weight | 15.7 Oz |
| Tw1 Magnet Material | Barium Ferrite |
| Tw1 Magnet Weight | 34g |
| Woofer Voice Coil Diameter | 1" / 25.5mm |
| Woofer Voice Coil Material | ASV |
| Tw1 Voice Coil Diameter | 2.3" / 59mm |
| Tw1 Voice Coil Material | PESV |
| Tw2 Voice Coil Diameter | 1.1" / 29mm |
| Tw2 Voice Coil Material | N/A |
8. Warranty Information
The DS18 G6.9Xi GEN-X 6x9 3-Way Coaxial Speakers come with a Limited Warranty. For specific details regarding warranty coverage, duration, and terms, please refer to the warranty card included with your product or visit the official DS18 website. Keep your proof of purchase for warranty claims.
9. Customer Support
For further assistance, technical support, or inquiries regarding your DS18 G6.9Xi speakers, please contact DS18 customer service through their official website or the contact information provided in your product packaging. You can also visit the DS18 Brand Store for more product information and resources.







