- MARINE + POWERSPORT READY DURABILITY: Kicker 45KM42 4" coaxial speakers built for boats, ATVs, UTVs, and outdoor installs with sealed motor structure, locking terminal covers, and UV-resistant materials.
- 2-OHM DESIGN FOR MORE OUTPUT: 2-ohm impedance pulls extra power from your marine amp for louder performance, rated 50W RMS per speaker with 150W peak handling.
- CLEAN, CRISP SOUND ON THE WATER: Polypropylene woofers with Santoprene surround plus 1/2" PEI balanced dome tweeters deliver clear mids and highs that cut through wind, waves, and engine noise without harshness.
- UV + WEATHER RESISTANT COMPONENTS: UV-treated cones, surrounds, baskets, and grilles are made to survive harsh sunlight and marine conditions, including fresh and salt water environments.
- COMPLETE INSTALL KIT INCLUDED: Pair of speakers with attached speaker wire, white + charcoal grilles, terminal covers, zip ties, quick-slide connectors, and stainless steel mounting hardware for an easy, secure install.
4" Coaxial 2 Ohm 50 W RMS Kicker Pair of Marine & Powersport Speakers 45KM42
This Listing Includes:
- (2) - 2-way speakers (each has a 6" length of speaker wire attached terminated with male quick slides)
- (2) - Charcoal grilles
- (2) - White grilles
- (2) - Plastic terminal covers
- (2) - 7" Zip ties
- (2) - 0.25" Crimp on female quick slides
- (2) - 0.187" Crimp on female quick slides
- (8) - 1" Stainless steel screws
- (8) - Stainless steel speed clips
Kicker's 45KM42 4" marine speakers are designed for life on the water, these speakers feature sealed motors, rubber cone surrounds, and locking terminal covers to keep spray away from the internal componentry. And their 2-ohm impedance will draw a little extra power out of your marine amplifier.
The durable poly woofers and 1/2" balanced dome PEI tweeters cut through wind, waves, and engine roar to deliver great sound without annoying harshness. Whether you're mounting them in a bulkhead, or installing them in a set of Kicker's custom enclosures, these speakers will make your day on the water just a little bit better than it was already.
The package includes white and charcoal grilles so you can make these speakers blend in with just about any color scheme. Whichever color you choose, special UV treatments on the cones, surrounds, baskets, and grilles ensure that they'll stand up to harsh sunlight. Whether you're on fresh water or salt, these speakers will give you years of outstanding performance.
Features:
- UV-treated polypropylene woofer with Santoprene rubber surround
- 1/2" PEI balanced dome tweeter with neodymium magnet
- UV-resistant polymer basket
- sealed motor structure and locking terminal covers
Specifications (Per Speaker):
- Power Handling: 2โ50W RMS / 150W Peak
- Frequency Response: 60Hzโ20kHz
- Sensitivity: 89 dB (1W/1m)
- Impedance: 2 Ohms
- Tweeter Material: PEI Balanced Dome
- Tweeter Magnet: Neodymium
Mounting / Dimensions:
- Cutout Diameter: 3.69"
- Frame Diameter: 4.91"
- Mounting Depth: 1-7/8"
Accepted Payment Methods at Big Jeff Audio
At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:
Credit and Debit Cards
- Visa
- Mastercard
- American Express
- Discover
- Diners Club
Digital Wallets
- Amazon Pay
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- Meta Pay (formerly Facebook Pay)
- Google Pay
- Shop Pay
- PayPal
International Payment Methods
Bank Transfers
Financing Options
We also offer financing options to make purchasing easier. Learn more about our financing options here.
- Klarna
- Affirm
- Sezzle
- Snap
- Acima
- Tiptop
If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.
Shipping Options and Delivery Time
Do You Offer Expedited Shipping?
Yes! At checkout, you can select from different shipping options:
- Standard Shipping: Free for orders over $100.
- Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.
How Long Does Delivery Take?
- Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but weโll notify you if thatโs the case.
- Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.
What Happens If My Package Is Undeliverable?
If your package is refused or marked undeliverable and returned to us by the carrier, youโll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.
Why Canโt I Track My Order?
If you're having trouble tracking your order:
- Make sure youโve received the shipping confirmation email with the tracking number.
- Log into your account on our website and use theย โCheck Your Order Statusโย button.
- If the issue persists, please refer to ourย detailed guideย on tracking your order or contact our customer service team for further assistance.
