




DS18 NXL-F4 4 Channel Flush-Mount Marine Amplifier with Voltmeter — 1200W
Free shipping on orders over $100
Continental US · processed within 1–2 business days
Store-credit returns
New, uninstalled items in original packaging
In stock! Ships within 2 business days.
Award Winning Sound
2-Year Limited Warranty
Variety of Payment Options

DS18 NXL-F4 4 Channel Flush-Mount Marine Amplifier with Voltmeter — 1200W
Product Overview
Description
Product Overview
DS18 NXL-F4
Flush Mount Full-Range Class D Marine 4-Channel Amplifier with Voltmeter 1200W
DS18’s NXL-F4 is the epitome of sleek design and powerful performance, specifically crafted to enhance your marine audio experience.
Designed to perfectly complement DS18 NXL series speakers, this amplifier delivers exceptional loudness and efficiency, making it the ultimate powerhouse for your marine audio system. Equipped with four channels, the NXL-F4 provides versatility by accommodating virtually any speaker within its power recommendations. No matter the size or type of speaker, the NXL-F4 guarantees optimal performance and an immersive sound experience.
Featuring a power output of 160Wx4CH at 2 ohms and 100Wx4CH at 4 ohms, the NXL-F4 offers impressive power capabilities to drive your speakers to their full potential.
The built-in voltmeter adds a convenient feature to monitor your battery's voltage levels directly from the amplifier itself. This allows you to keep track of your power supply and ensure that your audio system is operating at its peak performance.
Its compact dimensions of 238 x 135 x 41mm make it easy to install in tight spaces without sacrificing power or functionality. With its flush mount configuration, the NXL-F4 allows you to maintain a clean and seamless installation.
Elevate your marine audio experience with DS18’s NXL-F4!
Rule the Water
King of the COVE
Free shipping on orders $100+
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
-
Shipping Information
Use this text to answer questions in as much detail as possible for your customers.
-
Customer Support
Use this text to answer questions in as much detail as possible for your customers.
-
FAQ’s
Use this text to answer questions in as much detail as possible for your customers.
-
Contact Us
Use this text to answer questions in as much detail as possible for your customers.
FAQs
Please read our FAQs page to find out more.
RMS vs. MAX power — which number do I actually care about?
RMS is what your gear handles continuously; MAX is the short burst it can survive without complaint. Match your amplifier's RMS output to your speakers' RMS rating — sizing off the MAX number is how magic smoke gets released.
What does the IP65 rating on DS18 marine gear actually mean?
It's dust-tight and rated against low-pressure water jets from any direction — built for spray, rain, and the occasional wave over the bow, not for full submersion. If something's going somewhere it could sit underwater, that's a different conversation entirely.
How do I match an amplifier to my speakers without guessing?
Add up the RMS rating of everything the amp will power, and pick an amp whose RMS output (at your speakers' impedance — usually 4-ohm) lands close to that total. Undersized is thin sound; wildly oversized is a fast way to blow a voice coil.
Can I mix marine-grade gear into a standard car audio setup, or the reverse?
You can run marine-grade gear in a car — it's just over-built for that environment, no downside besides cost. Running non-weatherproof car audio gear in an open UTV or boat is the direction that causes problems.
What gauge wiring kit do I need?
It scales with your amp's power draw and the length of the run — DS18's OFC kits come in 4-gauge and 8-gauge for a reason. Undersized wiring on a high-draw system is a voltage-drop and heat problem waiting to happen; when in doubt, size up.

