Kicker 45KM42 Marine Audio Boat 4" Coaxial Speakers 150 Watts 2-Ohm KM42 Pair
SKU:KIC18-45KM42-RS
Kicker speakers are made to thrive in the water. UV treatments on injection-molded cones, Santoprene?« surrounds, baskets and grilles all help maintain top-shelf performance. KM speakers will endure almost any weather conditions with splash-and-spray-resistant sealed motors and locking/sealed terminal covers. Speaker hardware is forged from rustproof, 316L stainless-steel.
- 2-Ohm Voice Coil
- 1/2-Inch PEI Tweeter
- Locking/Sealed Terminal Covers
- UV-Treated Polypropylene Woofer With Santoprene?« Surround
- UV-Resistant Polymer Basket
- 316L Stainless Mounting Hardware Included
- Charcoal and White Grilles Included
- Meets or Exceeds ASTM Standards for UV** and Salt/Fog Exposure***
- *ASTM B117 200 hr. Salt Fog Test
- **ASTM G154 400 hr. Accelerated UV Test
Specifications:
- Speaker Size - 4"
- Tweeter Size - 1/2"
- Tweeter Dome Material - PEI
- Impedance - 2 Ohm
- Power Handling - 50W RMS, 150W Peak
- Sensitivity - 89dB
- Frequency Response - 60-20kHz
- Mounting Depth - 1-7/5"
- Mounting Hole Diameter - 3-13/16"
- Grilles - Includes both Charcoal and White
Built for adventure and engineered to last, these Kicker 4-Inch Marine Speakers are designed to deliver premium audio even in the harshest conditions. With UV-treated polypropylene woofers and Santoprene surrounds, they provide resilient, high-fidelity sound on the water, no matter the environment.
Each speaker includes a 1/2-inch PEI tweeter and a robust 2-Ohm voice coil for crisp highs and dynamic response. Locking and sealed terminal covers, along with rustproof 316L stainless mounting hardware, ensure long-term durability and reliable performance.
These speakers meet or exceed ASTM standards for UV and salt/fog resistance, making them ideal for boats, marine craft, and outdoor vehicles. With included white and charcoal grilles, you can customize the look to match your setup while enjoying consistent power handling at 50W RMS and 150W peak.
SKU:KIC18-45KM42-RS
Kicker speakers are made to thrive in the water. UV treatments on injection-molded cones, Santoprene?« surrounds, baskets and grilles all help maintain top-shelf performance. KM speakers will endure almost any weather conditions with splash-and-spray-resistant sealed motors and locking/sealed terminal covers. Speaker hardware is forged from rustproof, 316L stainless-steel.
- 2-Ohm Voice Coil
- 1/2-Inch PEI Tweeter
- Locking/Sealed Terminal Covers
- UV-Treated Polypropylene Woofer With Santoprene?« Surround
- UV-Resistant Polymer Basket
- 316L Stainless Mounting Hardware Included
- Charcoal and White Grilles Included
- Meets or Exceeds ASTM Standards for UV** and Salt/Fog Exposure***
- *ASTM B117 200 hr. Salt Fog Test
- **ASTM G154 400 hr. Accelerated UV Test
Specifications:
- Speaker Size - 4"
- Tweeter Size - 1/2"
- Tweeter Dome Material - PEI
- Impedance - 2 Ohm
- Power Handling - 50W RMS, 150W Peak
- Sensitivity - 89dB
- Frequency Response - 60-20kHz
- Mounting Depth - 1-7/5"
- Mounting Hole Diameter - 3-13/16"
- Grilles - Includes both Charcoal and White
Built for adventure and engineered to last, these Kicker 4-Inch Marine Speakers are designed to deliver premium audio even in the harshest conditions. With UV-treated polypropylene woofers and Santoprene surrounds, they provide resilient, high-fidelity sound on the water, no matter the environment.
Each speaker includes a 1/2-inch PEI tweeter and a robust 2-Ohm voice coil for crisp highs and dynamic response. Locking and sealed terminal covers, along with rustproof 316L stainless mounting hardware, ensure long-term durability and reliable performance.
These speakers meet or exceed ASTM standards for UV and salt/fog resistance, making them ideal for boats, marine craft, and outdoor vehicles. With included white and charcoal grilles, you can customize the look to match your setup while enjoying consistent power handling at 50W RMS and 150W peak.
Although many orders are shipped the same day that we receive them, due to a variety of factors it can take up to 24 hours to process your credit card information and ship your order. FedEx picks up shipments daily, Monday through Friday around 4:00 PM (Eastern Time). They DO NOT operate on weekends or holidays. If you place an order for shipping on Friday night, the next available shipping day is Monday.


We are here to help! Our customer service staff will be glad to assist you with any questions or concerns you may have. We have a service member available 5 days a week to answer your questions.
You can call us from Monday through Friday from 8:30AM - 9:00PM Central Standard Time or Saturday through Sunday from 10:00AM to 7:00PM Central Standard Time.
You can also email us and one of our friendly staff will get back to you usually within one to two hours. All emails are answered in the order they are received and we do answer them all. Include your invoice # and email address with all emails. Please make sure to check your junk mail filter for replies. Sometimes email programs will accidentally place our emails in your junk mail folder.

- We are not responsible for any shipping and/or handling charges to return an item to HiFiSoundConnection. We will pay the shipping of replacements back to your location.
- Your refund will be subject to a 20% restocking fee with a $10.00 minimum fee.
- If exchanging you will NOT be subject to the 20% restocking fee. You WILL have to pay the return shipping costs.
- We doNOTrefund the amount you paid for shipping, duties, taxes, or any other charge incurred getting the item to your location.
- We reserve the right to charge a 35.00 flat fee on warranty / exchanges if the original product packaging is not included.
- Other fees associated with items not included with the returned merchandise such as bass knobs, fuse holders, manuals, etc that were not included with the package are also subject to additional fees depending on the item not returned.
- All returns require an RMA (return merchandise authorization) number. Any packages sent back without an RMA number will be delayed and possibly rejected. Please contact us to obtain an RMA number.
- All returns will be tested before any refund is given.
- All International Sales are final, the return/exchange policy does not apply to International orders
- The return policy does not cover damage due to improper installation, if an item was physically altered by you, or services performed by anyone other than HiFiSoundConnection.
- We are not responsible for any shipping and / or handling charges to return a defective item to HiFiSoundConnection.
- We will pay for the shipping on the replacement product going back to your location.
- We reserve the right to refer you to the manufacturer for any warranty exchanges.
- We reserve the right to switch you to a comparable product if the original product is out of stock or discontinued.
- We will not send your replacement item until we have received and checked in the defective product, this may take up to5 business days. All returns will be tested before any refund is given.
- Any item that is returned MUST first have RMA (return merchandise authorization) number before sending the package, if the package does not have an RMA number clearly on the outside of the return packaging it will be automatically refused. Please contact us to obtain an RMA number.
- Subwoofer Exception: Our warranty does not cover blown voice coils, or subwoofers that have been punctured. This is considered abuse by the manufacturer and is not covered under warranty.
- Defective items cannot be returned for a refund.
- All International Sales are final, the return/exchange policy does not apply to International orders
- The return policy does not cover damage due to improper installation, if an item was physically altered by you, or services performed by anyone other than HiFiSoundConnection.

Warning: This product can expose you to the chemical Diisononyl phthalate, which is known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.


















