Alpine SPC-106S907
Alpine SPC-106S907 User Manual
16.5 cm (6.5 inch) 2-Way Component Speaker System for Mercedes-Benz Sprinter 907/910
1. Introduction
Thank you for choosing the Alpine SPC-106S907 2-way component speaker system. This advanced audio system is specifically designed for Mercedes-Benz Sprinter 907/910 models, offering superior sound quality with smooth tweeters and powerful speakers. The system integrates seamlessly into your vehicle's original mounting locations, enhancing your driving experience with premium audio.
This manual provides detailed instructions for the installation, operation, and maintenance of your new speaker system. Please read it thoroughly before installation and use to ensure proper functionality and longevity of the product.
2. Safety Information
Always observe the following safety precautions to prevent injury or damage to the product and vehicle:
- Ensure the vehicle's ignition is off and the battery is disconnected before beginning any installation work.
- Consult a professional installer if you are unsure about any part of the installation process.
- Do not modify the product in any way. Unauthorized modifications may void your warranty and could lead to malfunction.
- Keep the product away from moisture and extreme temperatures.
- Use only genuine Alpine accessories and replacement parts.
- Ensure all wiring is properly insulated and secured to prevent short circuits or damage.
3. Product Overview
The Alpine SPC-106S907 system includes high-quality components designed for optimal audio performance and seamless integration.

Figure 3.1: Alpine SPC-106S907 Component Speaker System showing two woofers and two tweeters with stainless steel grilles.
3.1. Main Components
- Woofers (16.5 cm / 6.5 inch): Designed for deep door mounting (166 mm depth) with steel rings for stable installation. Features a high-quality metal basket, rubber surround, 25 mm voice coil, and large ferrite magnet. Includes foam sealing for optimal acoustic performance.
- Tweeters (28 mm): Audiophile quality tweeters with silk dome and coupling volume. Equipped with neodymium magnets and stainless steel tweeter covers. Acoustically optimized tweeter mounting brackets are included.
- Integrated Frequency Filter: 1st order filter integrated into the wiring harness for precise sound separation.
- Original Mercedes-Benz Connector: For easy plug-and-play installation with the vehicle's original wiring harness.
4. Setup and Installation
The Alpine SPC-106S907 system is designed for easy installation into the original Mercedes-Benz Sprinter 907/910 mounting locations. Professional installation is recommended.
4.1. Compatibility Notes
- This system is designed for operation with an original Mercedes-Benz 1-DIN radio (E1D) or MBUX navigation system.
- For 10-inch MBUX systems with a center speaker, the optional Alpine damping adapter EXA-21CA252 must be used.
- The system is compatible with Mercedes Sprinter 907/910 models equipped with a DSP-box (E3D).
- Compatible with windshield blinds in Sprinter 907/910.
- Can be used as a Concert Ensemble with a powerful 300-watt subwoofer and a 6-channel DSP amplifier (sold separately).
4.2. Installation Steps (General Guide)
- Preparation: Disconnect the vehicle's battery. Remove the existing door panels and speakers carefully, following your vehicle's service manual.
- Woofer Installation:
- Apply the included foam sealing around the woofer mounting area.
- Mount the 16.5 cm woofers into the original door speaker locations using the provided steel rings for stability.
- Connect the woofer to the original Mercedes-Benz wiring harness using the integrated connector.
- Tweeter Installation:
- Install the 28 mm tweeters into their designated locations, typically in the dashboard or A-pillars, using the acoustically optimized mounting brackets.
- Connect the tweeters, ensuring the integrated frequency filter in the wiring harness is properly connected.
- Wiring Check: Double-check all connections to ensure they are secure and correctly polarized.
- Reassembly: Carefully reattach the door panels and any other removed components.
- Final Test: Reconnect the vehicle's battery and test the audio system with various audio sources and volume levels.
For detailed, vehicle-specific installation instructions, refer to the Mercedes-Benz Sprinter service manual or consult a qualified car audio technician.
5. Operating Your Speaker System
Once installed, the Alpine SPC-106S907 system operates in conjunction with your vehicle's existing head unit (radio or MBUX system).
- Power On/Off: The speakers will power on and off with your vehicle's audio system.
- Volume Control: Adjust the volume using your head unit's controls.
- Audio Settings: Utilize your head unit's equalizer, balance, and fader settings to fine-tune the sound to your preference. The Alpine SPC-106S907 is designed to deliver a balanced sound profile, but personal adjustments can further enhance the experience.
- Optimal Performance: For the best sound quality, ensure your audio source (e.g., radio, streaming, USB) provides high-quality audio signals.
6. Maintenance and Care
Proper care will ensure the longevity and optimal performance of your Alpine speaker system.
- Cleaning: Use a soft, dry cloth to gently wipe the speaker grilles and surrounding areas. Avoid using abrasive cleaners, solvents, or excessive moisture.
- Environmental Factors: While designed for automotive use, avoid exposing the speakers to extreme moisture or direct sunlight for prolonged periods, which can degrade materials over time.
- Sound Levels: Avoid playing audio at excessively high volumes for extended periods, as this can cause distortion and potentially damage the speakers.
- Inspection: Periodically check the speaker grilles and mounting points for any signs of looseness or damage.
7. Troubleshooting
If you experience issues with your speaker system, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from speakers. |
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| Distorted or poor sound quality. |
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| One speaker not working. |
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If the problem persists after trying these solutions, please contact Alpine customer support or a certified service center.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | SPC-106S907 |
| Speaker Type | 2-way Component Speaker System |
| Woofer Size | 16.5 cm (6.5 inch) |
| Tweeter Size | 28 mm |
| Max. Power Handling | 180 Watts |
| RMS Power Handling | 60 Watts |
| Frequency Response | 40 Hz – 25 kHz |
| Impedance | 4 Ohm |
| Efficiency (Sensitivity) | 89 dB (1W/1m) |
| Woofer Mounting Depth | 166 mm (including steel rings) |
| Connection Technology | Mercedes-Benz original radio connection |
| Mounting Type | Flush mount |
| Material | Steel, Stainless Steel |
| Package Dimensions | 60 x 34 x 12 cm |
| Package Weight | 3 kg |
| Compatible Vehicles | Mercedes-Benz Sprinter 907/910 |
9. Warranty and Support
Alpine products are manufactured to the highest quality standards. For warranty information, please refer to the warranty card included with your product or visit the official Alpine website for details specific to your region.
For technical support, installation assistance, or service inquiries, please contact your authorized Alpine dealer or visit the Alpine support website:
- Alpine Official Website: www.alpine.com
- Customer Service: Refer to your regional Alpine contact information.
Please have your product model number (SPC-106S907) and purchase date available when contacting support.
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