DS18 6.5" 200W 4-Ohm 2-Way Slim Marine Speakers Pair W/RGB LED Black NXL-6SL

• COMPACT MOUNTING DEPTH – JUST 0.98” – Ultra-slim profile fits tight spaces in boats, UTVs, and motorcycles without compromising performance.
• MARINE-GRADE DURABILITY – IP65 WATERPROOF & UV RESISTANT – Built tough to withstand salt, rain, splashes, dust, and long sun exposure.
• CLEAR, BALANCED 2-WAY SOUND – 25W RMS / 100W max power handling per speaker with integrated tweeters for crisp highs and clean mids.
• REMIUM BUILD MATERIALS FOR LONG LIFE – Copper voice coil winding, aluminum former, ABS basket, and sealed design offer reliable audio in extreme conditions.
• EASY INSTALLATION – UNIVERSAL 6.5” FITMENT – Standard cutout size with all necessary mounting hardware included for a hassle-free upgrade.

DS18 6.5" 200W 4-Ohm 2-Way Slim Marine Speakers Pair W/RGB LED Black NXL-6SL

This listing includes:

• (2) DS18 NXL-6SL/BK Marine Speakers


• Mounting Hardware

Upgrade your marine audio with the DS18 NXL-6SL/BK - a precision-engineered, slim-profile 6.5" marine speaker designed for crystal-clear sound and vibrant RGB LED lighting. Perfect as a direct replacement for factory marine speakers, these waterproof, UV-resistant speakers deliver powerful 25W RMS (100W max) audio with 90dB sensitivity that cuts through wind and water noise.

Features

• 6.5" 2-Way Marine Speaker: Balanced mids and highs with integrated tweeter for clear, dynamic sound.


• Powerful & Efficient: 25W RMS / 100W Max with 90dB sensitivity and 4-ohm impedance.


• Vibrant RGB LED Lighting: Built-in LEDs create customizable ambiance during nighttime adventures.


• Ultra-Slim & Compact: Only 0.98" mounting depth fits tight spaces without compromising performance.


• IP65 Waterproof & UV Resistant: Engineered to withstand rain, splashes, dust, and harsh sun exposure.


• Durable Construction: ABS basket, aluminum voice coil former, and copper winding for lasting reliability.


• Available in Black or White: Sold as a pair to match your boat or watercraft aesthetics.

Specifications:

• SKU: NXL-6SL


• Nominal Diameter: 6.5" (165mm)


• Nominal Impedance: 4 Ohms


• RMS Power Handling: 25 Watts


• Maximum Power Handling: 100 Watts


• Sensitivity (1W/1m): 90 dB


• Frequency Response: 90 Hz – 20 kHz


• Recommended High-Pass Crossover: 100 Hz


• Voice Coil Diameter: 1" (25.5 mm)


• Voice Coil Former Material: Aluminum


• Winding Material: Copper


• Basket Material: ABS Plastic


• Magnet Weight: 5.3 oz


• Mounting Depth: 0.98" (25 mm)


• Overall Diameter: 7.01" (178 mm)


• Front Mount Baffle Cutout: 5.16" (131 mm)


• Product Weight: 2.5 lbs


• Sold: Pair

Thiele & Small Parameters:

• Vas: 2.2L


• Xmax: 1.5 mm


• Fs: 145 Hz


• Qms: 0.21


• Qes: 0.07


• Qts: 0.05


• Re: 3.6 Ohms

Dimensions:

• Overall Diameter: 7.01" / 178 mm


• Front Mount Baffle Cutout: 5.16" / 131 mm


• Mounting Depth: 0.98" / 25 mm


• Overall Depth: 1.85" / 47 mm


• Product Weight: 2.5 lbs


• Product Dimensions: 15 x 7.5 x 2.25 inches


• Package Dimensions: 15.5" x 11.5" x 15.75"


• Package Weight: 28.5 lbs

Why Choose the DS18 NXL-6SL?

With its slim design and rugged marine-grade materials, the NXL-6SL is built to deliver stunning audio and style without bulk. The integrated RGB LED lights add a vibrant touch to your boat or UTV, while the IP65 waterproof rating ensures these speakers thrive in wet and dusty environments. Installation is straightforward thanks to the ultra-compact mounting depth — perfect for tight spaces.

Whether you’re upgrading your factory marine speakers or building a custom audio setup, the NXL-6SL offers reliable, high-quality sound and eye-catching illumination to enhance your on-water experience.

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?

If you're having trouble tracking your order:

• 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.