Kenwood KSC-PSW8 Powered Subwoofer

1. Introduction

Thank you for purchasing the Kenwood KSC-PSW8 Powered Subwoofer. This compact, high-performance subwoofer is designed to deliver powerful bass response and enhance your vehicle's audio system. Its integrated amplifier and compact design allow for flexible installation, often fitting conveniently under a seat. This manual provides essential information for proper installation, operation, and maintenance to ensure optimal performance and longevity of your unit.

2. Safety Information

Please read all safety instructions carefully before installing or operating the unit. Failure to follow these instructions may result in injury or damage to the unit or vehicle.

• Professional Installation Recommended: Due to the complexity of car audio wiring and potential electrical hazards, professional installation is highly recommended.
• Power Source: Connect the unit only to a 12V DC negative ground electrical system.
• Wiring: Ensure all wiring is securely connected and properly insulated to prevent short circuits. Use appropriate gauge wires as specified in the installation section.
• Mounting Location: Choose a mounting location that does not obstruct driving, interfere with vehicle controls, or impede airbag deployment. Ensure the unit is securely fastened to prevent movement during driving.
• Heat Dissipation: Do not cover the unit or block its ventilation openings. Adequate airflow is necessary to prevent overheating.
• Moisture: Avoid exposing the unit to water or excessive moisture. This unit is not waterproof.
• Volume Levels: Prolonged exposure to high volume levels can cause hearing damage. Adjust volume to a safe and comfortable level.

3. Package Contents

Verify that all items are present in the package:

• Kenwood KSC-PSW8 Powered Subwoofer Enclosure
• Wired Remote Control
• Power/Signal Wiring Harness
• Mounting Hardware (screws, brackets)
• Instruction Manual (this document)

4. Setup and Installation

Proper installation is crucial for optimal performance and safety. If you are unsure about any steps, consult a professional car audio installer.

4.1 Choosing a Mounting Location

The KSC-PSW8 is designed for compact spaces. Common mounting locations include:

• Under a front seat (passenger or driver side)
• In the trunk or cargo area
• Behind a rear seat (in some vehicles)

Ensure the chosen location allows for adequate ventilation and does not interfere with vehicle operation or safety features.

4.2 Wiring Connections

The unit requires power, ground, and an audio signal input. Refer to the wiring diagram provided with your unit for specific connections.

• Power (BATT +12V): Connect directly to the vehicle's positive battery terminal using an appropriate gauge wire and an inline fuse (not supplied, typically 15A-20A).
• Ground (GND): Connect to a clean, unpainted metal surface of the vehicle chassis. Ensure a good electrical connection.
• Remote Turn-On (REM): Connect to the remote turn-on lead from your car stereo (typically a blue/white wire). This wire turns the subwoofer on and off with your stereo.
• Audio Input:
  • RCA Input: If your head unit has RCA pre-outs, connect them to the RCA inputs on the subwoofer.
  • Speaker Level Input: If your head unit does not have RCA pre-outs, use the supplied speaker level input harness to connect directly to your vehicle's speaker wires.

Figure 1: Kenwood KSC-PSW8 Powered Subwoofer and its wired remote control. The main unit features a durable enclosure and an 8-inch speaker grille, while the remote allows for convenient adjustment of bass levels.

Figure 2: Exploded view of the Kenwood KSC-PSW8, showing its internal components including the 8-inch subwoofer driver, protective grille, and the integrated amplifier circuit board. This illustrates the compact and efficient design.

4.3 Remote Control Connection

Connect the wired remote control to the designated port on the subwoofer unit. This remote allows for easy adjustment of the subwoofer's output from the driver's seat.

4.4 Secure Mounting

Once all connections are made, securely mount the subwoofer using the provided hardware. Ensure it is stable and will not shift during vehicle movement.

5. Operating the Subwoofer

After installation, adjust the subwoofer settings for optimal sound performance.

5.1 Remote Control Functions

The wired remote control provides convenient access to key adjustments:

• Gain Control: Adjusts the overall output level of the subwoofer. Start with a low setting and gradually increase until the bass blends well with your main speakers without overpowering them.
• Low Pass Filter (LPF) Frequency: Sets the upper frequency limit for the subwoofer. Frequencies above this setting will be filtered out. A common starting point is 80-100 Hz, but adjust to blend seamlessly with your main speakers.
• Phase Switch (0°/180°): Adjusts the phase of the subwoofer's output relative to your main speakers. Listen to music and switch between 0° and 180° to determine which setting provides the most impactful and cohesive bass response.

5.2 Initial Setup and Tuning

1. Set the gain control on the remote to its minimum position.
2. Play a familiar piece of music with good bass content.
3. Slowly increase the gain control until the bass output is audible and blends with the rest of your audio system. Avoid setting the gain too high, as this can lead to distortion.
4. Adjust the LPF frequency to achieve a smooth transition between the subwoofer and your main speakers.
5. Experiment with the phase switch (0° or 180°) to find the setting that produces the strongest and most defined bass at your listening position.

6. Maintenance

The Kenwood KSC-PSW8 is designed for durability and requires minimal maintenance.

• Cleaning: Use a soft, dry cloth to wipe down the unit. Do not use abrasive cleaners, solvents, or excessive moisture.
• Ventilation: Ensure that the ventilation openings are not blocked by debris or other objects to prevent overheating.
• Connections: Periodically check all wiring connections to ensure they remain secure and free from corrosion.

7. Troubleshooting

If you experience issues with your KSC-PSW8, refer to the following common problems and solutions:

If the problem persists after trying these solutions, contact Kenwood customer support or a qualified service technician.

8. Specifications

Technical specifications for the Kenwood KSC-PSW8 Powered Subwoofer:

• Speaker Size: 8 Inches
• Speaker Type: Subwoofer
• Amplifier Type: Class D
• Maximum Output Power: 250 Watts
• RMS Power: 150 Watts
• Frequency Response: 35-150 Hz
• Sensitivity: 81 dB
• Connectivity Technology: Wired (RCA, Speaker Level)
• Control Method: Remote Control
• Product Dimensions (D x W x H): 19.8" x 4.8" x 12.1" (approximate)
• Item Weight: 9.9 Pounds
• Color: Black
• Included Components: Subwoofer Enclosure, Subwoofer, Remote

9. Warranty and Support

Kenwood products are manufactured to high-quality standards and come with a limited warranty. Please refer to the warranty card included with your product or visit the official Kenwood website for detailed warranty terms and conditions.

For technical support, service, or to inquire about replacement parts, please contact Kenwood customer service through their official website or the contact information provided in your product's packaging. When contacting support, please have your product model number (KSC-PSW8) and serial number ready.

Online Resources: For additional support, FAQs, and product registration, visit the official Kenwood website: www.kenwood.com