Kicker KM 45KM42 4" Marine Coaxial Speakers, 4Ω, Pair

Kicker 45KM42 is a 4-inch KM-Series marine coaxial speaker pair designed for compact boat speaker replacement locations. The small-format coaxial design gives marine systems a practical upgrade option where larger 6.5-inch or 8-inch speakers will not fit.

Key Performance Features

• 4-inch KM-Series marine coaxial speaker pair
• Compact size for smaller speaker openings
• 4-ohm design for standard marine audio systems
• Weather-resistant construction for boat audio use

Marine / Powersports Durability

• Designed for marine, powersports, motorcycle, or outdoor audio environments when used in the intended application
• Weather-resistant construction supports installations exposed to vibration, moisture, and outdoor conditions
• Proper mounting, wiring, and amplifier matching are required for reliable long-term operation

System Architecture

• Type: Marine coaxial speaker pair
• Size: 4 inches
• Nominal Impedance: 4 Ω
• Application: Boat cockpit, cabin, and compact marine audio locations

Power Handling / Output

• RMS Power: Verify against Kicker specifications before amplifier matching
• Peak Power: Not provided

Driver / Construction

• Coaxial marine speaker design
• Integrated tweeter
• Weather-resistant marine construction

Installation Use Cases

• Compact boat speaker replacement
• Small cockpit or cabin speaker locations
• Marine systems where larger speakers will not fit

Technical Specifications

• Brand: Kicker
• Series: KM
• Model: 45KM42
• Product Type: Marine coaxial speaker pair
• Size: 4 inches
• Impedance: 4 Ω

Identifiers & Packaging

• MPN: 45KM42
• UPC: 713034085072
• Sold As: Pair
• Included Components: Two speakers, grilles, mounting hardware, documentation

Why Buy From MCOR Automotive

• Authorized retailer for the brands we sell
• Specialists in marine, powersports, motorcycle, and vehicle audio upgrades
• Expert support for speaker selection, amplifier matching, and clean system setup