DS18 HYDRO Marine Amplifier 2400 w 4 channel Full Range 4 ohms NXL-X85 — Big Jeff Audio Dealer Platform
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DS18 HYDRO Marine Amplifier 2400 w 4 channel Full Range 4 ohms NXL-X850.4D

DS18 designed the NXL-X850.4D for customers looking for a compact and waterproof amplifier with exceptional power output and prioritizes boosting sound.

The NXL series impressive power output is supplemented by its outstanding efficiency, and its durability in harsh conditions makes it a favorite among customers in need of a waterproof amplifier to be the powerhouse of their system.

The NXL-X850.4D comes in a 4-channel configuration making it great for powering more complicated active setups. The high pass and low pass filters will help you tune your speaker choice accurately so you can obtain crystal clarity from low volume levels all the way to maximum for the ultimate audio experience.

All NXL units have stable and reliable 4-layer PCB layouts, IP67waterproof rating for power sports, has an ultra-compact size for easy installation, and has audio precision quality control verification.

The NXL Marine Amplifier series is perfect for outdoor enthusiasts looking for a durable, waterproof amplifier with intense power for their marine vehicle's audio system. This series is best used in various rugged and wet environments, such as on trails or at the lake.


- The included a marine grade fuse and fuse holder that is connected in line with your main power wire will help with ultimate protection against the elements.
- IP67 Waterproof Rating
- UV, Salt and Fog Protection
- Direct Power Harness Design with Marine Grade OFC Tinned Wires
- Latest Digital Amplifier Design with SMC Technology
- Maximum output of 600W x 2CH bridged at 4-Ohms, 200W x 4CH at 4-Ohms, and 300W x 4CH at 2-Ohms


- Total Watts (Peak) 2400W
- RMS Power @ 4 ohm 2 x 200W
- RMS Power @ 2 ohm 2 x 300W
- RMS Power @ 4 ohm Bridge 600W


- Frequency Response 10Hz-20KHz
- Signal to Noise Ratio 1W@4? 83dB
- Efficiency @ 4ohm 0.83
- Input Impedance 20K?
- Channel Separation 60dB
- Total Harmonic Distortion (THD) < 0.04%
- Low Level Input Range 200mV-5V
- Selectable X-Over (HPF/Full/LPF)
- X-Over Filter Range 40Hz-2KHz


- Amplifier Class Digital
- Amplifier Type Stereo Full Range
- Number of Channels 4
- Minimum Impedance 2 Ohm (Stereo) / 4 Ohm (Bridge)
- Led Indicators Power / Protection / Clip
- Power Input Size 8GA Tinned OFC
- Fuse Size 2 x 50A (100A)
- Thermal Protection Yes (78?C)
- Over-Load Protection Yes
- Short Circuit Output Protection Yes
- Voltage Input Protection Yes (7-16V)
- Body Color / Finish Black Brushed Aluminum


- 2ch/4ch Input Selector: Yes
- RCA Audio Output: Yes
- Waterproof Rating: IP67
- UV/Salt Fog Protection: Yes
- Direct Power Harness Design: Yes
- Quick Connect Plug: Yes
- Surface Mount Component Technology: Yes
- Marine Grade Fuse Holder: Yes

This listing includes:

1- DS18 Hydro 2 ch marine amplifier full range 1000 w class d 4 ohm NXL-X850.4D
1- Installation Accessories

Package Dimensions:(in inches)
- Length:15.5
- Width: 9
- Height: 3.5
- Package Weight: (in pounds) 5.69

Item Dimensions:(in inches)
- Length: 12
- Width: 4.25
- Height: 2
- Item Weight (in pounds): 4.75 lbs

Payment Information


We accept PayPal for all ebay orders. You can use your credit through PayPal as all major credit card are accepted by PayPal.

We accept PayPal for all international orders, your address must be verified with PayPal.

We are not responsible for any custom duties or brokerage fees that may apply for all international orders.

When you click on the Buy it Now button you are entering into a
contract whereby you agree to purchasing the item at the price listed.

If you want to ship your item to an alternate address please add
that address on your PayPal account and use the address as the default
or confirmed address to pay us through PayPal

With Free Same Business Day Shipping we work to get you your order Fast. 


All orders over $500 will require a signature for delivery.

All pre-selected shipping rates and methods are for customers with a
valid residential or commercial address within the Contiguous 48 United
States (PO Boxes address may require additional charges).

P.O. Boxes, APO/FPO addresses, Alaska, Hawaii, Puerto Rico, Guam,
U.S. Virgin Islands, Northern Mariana Islands, American Samoa, Canada,
and other countries may require additional shipping fees. Please contact
a member of our team for detailed shipping charges.

Shipping is available only to PayPal verified addresses. When making
payment please confirm your address has been verified with PayPal. Once
payment is made shipping address can not be changed/altered. Payments
made using an unverified PayPal address will be refunded and order will
be canceled.

We will not accept request to change shipping address once payment
has been made. Please confirm your shipping address is up-to-date and

Typical handling time for orders is 1-business day. We do our best
to ship every package with-in 1 business day of receiving a cleared
payment. In some circumstances additional time may be need, in which
case we will contact buyer.

Shipped orders that are returned by the shipping company due to an
insufficient address or an undeliverable address will be refunded less a
20% restocking fee.

If package is refused or marked undeliverable and returned
back to us by the carrier, you will need to pay the shipping cost in
full to have the package sent back to you or we can refund the money
minus the cost of shipping


If you have not received your package, but the tracking information shows that it was delivered,
please do the following within 36 hours of expected, stated delivery:


Verify the shipping address on the order is the address where you are looking for the package

Look for a notice of attempted delivery

Look around the delivery location for the package, or see if a neighbor has accepted the delivery

Be sure to double check your mailbox and other usual spots for package delivery


If you think that your package has been stolen, we will require a police report since this is now theft.
Once we have a police report on file for the stolen package, we will reship your order.