Kicker 51KM604WL is a 6.5-inch KM Series marine coaxial speaker pair with RGB LED lighting and integrated white grilles for boat audio systems. The 6.5-inch coaxial format gives boat owners a practical speaker replacement path with marine durability and lighting built into the speaker package. Key Performance Features 6.5-inch KM Series marine coaxial speaker pair 50 W RMS / 150 W peak power handling RGB LED lighting Integrated white grilles Designed specifically for boat audio with weather-proof qualities Marine Durability Designed for boat and outdoor audio environments Weather-resistant construction for UV, moisture, and salt/fog exposure Corrosion-resistant materials for marine installation use System Architecture Type: Marine coaxial speaker pair Application: Boat audio speaker replacement Nominal Impedance: 4 Ω Lighting: RGB LED lighting Power Handling / Output Continuous Power Handling (RMS): 50 W Peak Power Handling: 150 W Driver / Construction 6.5-inch woofer 1/2-inch tweeter UV-treated materials for marine use Sealed motor and locking terminal-cover design Integrated white grilles Installation Use Cases Boat cockpit or cabin speaker replacement Marine speaker upgrades using 6.5-inch locations Installations using RGB lighting control with compatible controller Technical Specifications Brand: Kicker Series: KM Series Model: 51KM604WL Size: 6.5 in. Frequency Response: 36 Hz – 21 kHz Mounting Depth: 2-9/16 in. (65 mm) Cutout Diameter: 5-1/8 in. (130 mm) Identifiers & Packaging MPN: 51KM604WL UPC: 713034045410 Sold As: Pair (2 speakers) Included Components: Two speakers with integrated white grilles, mounting hardware, documentation Why Buy From MCOR Automotive Authorized retailer for the brands we sell Specialists in marine, powersports, and vehicle audio upgrades Expert support for speaker, amplifier, and system-matching decisions