KICKER KM604W Marine Speakers Instruction Manual

1. Introduction

Thank you for choosing KICKER KM604W Marine Speakers. This instruction manual provides detailed information on the installation, operation, and maintenance of your new 6.5-inch coaxial marine speakers. Designed for boat and powersports vehicles, these speakers are built to withstand harsh marine environments, offering high-quality audio performance with durability against salt, spray, and UV exposure.

Image 1.1: KICKER KM604W Marine Speakers (4-Pack) and included Car Toys keychain.

2. Safety Information

Please read all safety instructions carefully before installing and operating your KICKER KM604W Marine Speakers. Failure to follow these guidelines may result in injury, damage to the product, or voiding of the warranty.

• Professional Installation Recommended: For optimal performance and safety, it is highly recommended to have these speakers installed by a qualified marine audio technician.
• Power Source: Ensure the power source is a stable 12 Volt DC supply, typical for marine and powersports vehicles. Incorrect voltage can damage the speakers or connected equipment.
• Wiring: Always use appropriate gauge wiring for audio connections and power. Ensure all connections are secure and properly insulated to prevent short circuits.
• Water Resistance: While these speakers are water-resistant and designed for marine environments, they are not submersible. Avoid direct high-pressure water jets.
• Mounting: Securely mount speakers to a stable surface to prevent detachment during vehicle operation, which could cause injury or damage.
• Hearing Protection: Prolonged exposure to high volume levels can cause hearing damage. Adjust volume to a comfortable level.

3. Package Contents

Verify that all items listed below are present in your package:

• Four (4) KICKER KM-Series 6.5-inch Marine Speakers with White Grilles
• One (1) Car Toys Keychain
• Mounting Hardware (screws, clips - typically included with speakers)
• Instruction Manual (this document)

4. Setup and Installation

Proper installation is crucial for the performance and longevity of your KICKER marine speakers.

4.1. Mounting

These speakers are designed for flush mounting. Ensure the mounting surface is flat and strong enough to support the speakers.

1. Choose Location: Select a mounting location that provides adequate clearance behind the speaker for the magnet and wiring.
2. Prepare Opening: Using a suitable hole saw, cut a circular opening with a diameter of 5-3/16 inches (132 mm).
3. Check Depth: Ensure there is a mounting depth clearance of at least 2-1/2 inches (62 mm) from the mounting surface.
4. Secure Speaker: Place the speaker into the opening and secure it using the provided mounting screws. Do not overtighten.

Image 4.1: Side view illustrating the mounting depth requirement for the speaker.

Image 4.2: Front view of two KICKER KM604W speakers, showing the white grilles.

4.2. Wiring

The KM604W speakers have a rated impedance of 4 Ohms. Connect them to an amplifier or head unit capable of safely driving a 4 Ohm load.

1. Identify Terminals: Locate the positive (+) and negative (-) terminals on the back of each speaker.
2. Connect Wiring: Connect the positive output from your amplifier/head unit to the speaker's positive terminal, and the negative output to the speaker's negative terminal. Ensure correct polarity for optimal sound.
3. Secure Connections: Use appropriate connectors and ensure all wiring connections are tight and protected from moisture. The speakers feature splash-and-spray-resisting sealed motors and locking terminal covers for enhanced protection.

Image 4.3: Rear view of the speaker, highlighting the wiring terminals for connection.

5. Operating Instructions

Once properly installed and wired, your KICKER KM604W marine speakers are ready for use.

• Power On: Turn on your marine audio head unit or amplifier.
• Source Selection: Select your desired audio source (e.g., radio, Bluetooth, auxiliary input).
• Volume Adjustment: Gradually increase the volume to a comfortable listening level. Avoid setting the volume too high, which can cause distortion and potentially damage the speakers or your hearing.
• Audio Settings: Adjust bass, treble, and balance settings on your head unit or amplifier to optimize sound quality to your preference.

6. Maintenance

To ensure the longevity and optimal performance of your KICKER KM604W marine speakers, follow these maintenance guidelines:

• Cleaning: Regularly clean the speaker grilles and cones with a soft, damp cloth. For stubborn dirt, a mild soap solution can be used, followed by rinsing with fresh water. Avoid abrasive cleaners or solvents.
• Salt and Spray Protection: Despite being marinized, it is good practice to rinse the speakers with fresh water after exposure to saltwater or heavy spray to prevent salt buildup.
• UV Protection: The injection-molded cones, Santoprene surrounds, baskets, and grilles are UV-treated. However, prolonged direct exposure to intense sunlight can still cause degradation over many years. Consider covering the speakers when the boat is not in use for extended periods.
• Inspection: Periodically inspect the speaker grilles, surrounds, and wiring connections for any signs of wear, corrosion, or damage. Address any issues promptly.

7. Troubleshooting

If you experience issues with your KICKER KM604W marine speakers, refer to the following common problems and solutions:

8. Specifications

Detailed technical specifications for the KICKER KM604W Marine Speakers:

Image 8.1: Manufacturer's specifications table for the KM604W speakers.

9. Warranty and Support

KICKER KM604W Marine Speakers come with a Limited Warranty. For specific terms and conditions of your warranty, please refer to the warranty card included with your product or visit the official KICKER website.

For technical support, troubleshooting assistance beyond this manual, or warranty claims, please contact KICKER Customer Service:

• KICKER Official Website: www.kicker.com
• Customer Service: Refer to the "Support" or "Contact Us" section on the KICKER website for phone numbers and email contacts.

When contacting support, please have your product model number (49KM604W) and proof of purchase readily available.