10" 4-Ohm 400 Watts RMS Loaded Marine Subwoofer Enclosure with Passive Radiator

• Pre-Loaded Marine Subwoofer Enclosure — 10" M-Class sub + 10" reFLEX™ passive sub for full-range bass
• REAL MARINE™ Certified — Weatherproof, UV, salt, and fog tested for reliable outdoor use
• High-Power Handling — 200–400W RMS recommended, 800W peak, frequency response 20–500 Hz
• Durable Construction — Carbon-fiber-infused poly cone, co-molded TPE surround, ribbed silicone gasketing, all-weather enclosure
• Flexible Installation — Up-firing, front-firing, or down-firing with included lockable mounting feet and charcoal grilles

10" 4-Ohm 400 Watts RMS Loaded Marine Subwoofer Enclosure with Passive Radiator

This listing Includes

• (1) 10" Premium M-Class Marine Subwoofer (pre-installed)


• (1) 10" reFLEX Passive Subwoofer (pre-installed)


• (2) Charcoal UV-Resistant Grilles


• (4) Lockable Mounting Feet

The Kicker 51MWLE104 10" Loaded Marine Subwoofer Enclosure delivers deep, punchy bass out of the box. Featuring a pre-installed M-Class subwoofer and custom-tuned 10" reFLEX passive radiator, this enclosure enhances low-frequency response for full-bodied marine audio. REAL MARINE certified with waterproof connections, co-molded TPE surrounds, carbon-fiber-infused poly cones, and ribbed silicone gasketing, it withstands water, UV, and salt/fog exposure. Install it up-firing, front-firing, or down-firing to match your boat's layout, and enjoy premium bass with an included pair of UV-resistant charcoal grilles.

Features

• REAL MARINE certified marine-grade components


• Pre-installed M-Class subwoofer + reFLEX passive radiator


• UV, salt, and fog resistant


• Lockable all-weather enclosure


• Charcoal grilles included (MWGW white sold separately)


• Optimized for free-air and boat applications

Specifications:

• Woofer Size: 10" (25 cm)


• Passive Radiator: 10" (25 cm)


• Rated Impedance: 4 Ohms


• Recommended Amplifier Power: 200–400W RMS


• Peak Power Handling: 800W


• Frequency Response: 20–500 Hz


• Sensitivity: 88 dB


• Tuning Frequency: 33 Hz


• Grilles: Charcoal included

Dimensions:

• Enclosure Height: 12-5/8" (32 cm)


• Enclosure Width: 25-9/16" (64.9 cm)


• Enclosure Depth: 8-11/16" (22 cm)

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
• Apple Pay
• Meta Pay (formerly Facebook Pay)
• Google Pay
• Shop Pay
• PayPal

International Payment Methods

• Bancontact
• iDEAL

Bank Transfers

• Zelle

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 we’ll notify you if that’s 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, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.

Why Can’t I Track My Order?

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• Make sure you’ve received the shipping confirmation email with the tracking number.
• Log into your account on our website and use the “Check Your Order Status” button.
• If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.