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Micro Amplifier 4Ch Class D ATV UTV Boat Marine 720 Watt Waterproof Amp DS18

CASE QUANTITY: 10

PACKAGE WEIGHT: 2.6 LB

SKU DS-NXL-N4
by DS18
Save 4% Save 4%
Original price $349.94
Original price $349.94 - Original price $349.94
Original price $349.94
Current price $335.95
$335.95 - $335.95
Current price $335.95

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  • Element-Ready Performance: Built for marine, ATV, UTV, and off-road use with rugged waterproof construction and outdoor protection.
  • Powerful 4-Channel Output: Delivers 720W max power and supports 4 x 60W RMS @ 4 Ohm or 4 x 90W RMS @ 2 Ohm configurations.
  • Flexible Configuration: Bridgeable at 4 Ohm for 2 x 180W RMS, ideal for a variety of speaker setups.
  • Precision Sound Control: Equipped with high and low pass filters adjustable from 40 Hz to 500 Hz and wide frequency response from 20 Hz to 20 kHz.
  • Adaptable Performance: Versatile and powerful, though not suitable for submersible use.


DS18 720W Waterproof 4-Channel Micro Marine Amplifier for ATV, UTV, Boat



This listing includes:



  • (1) DS18 HYDRO 4-Channel Micro Amplifier

  • User Manual

  • Mounting Hardware


Enhance your outdoor sound experience with the DS18 HYDRO 4-Channel Micro Amplifier. Designed to perform in the harshest environments, this waterproof Class D amp delivers 720 watts of max power across 4 channels and is perfect for marine, ATV, UTV, and other rugged installations. With selectable high and low pass filters (40 Hz – 500 Hz), a frequency range of 20 Hz – 20 kHz, and 90 dB signal-to-noise ratio, it offers high-fidelity audio in a compact form factor. Whether you're on a boat, trail, or track, this amp brings reliable, crisp sound to every adventure.



Specifications:



  • Max Power: 720W

  • RMS Power @ 4 Ohm (14.4V): 4 x 60W

  • RMS Power @ 2 Ohm (14.4V): 4 x 90W

  • Bridged RMS @ 4 Ohm: 2 x 180W

  • Frequency Response: 20 Hz – 20 kHz

  • High/Low Pass Filter Range: 40 Hz – 500 Hz

  • Signal-to-Noise Ratio: 90 dB

  • THD: 0.1%


Product Dimensions (L x W x H):



  • Length: 8.00"

  • Width: 3.25"

  • Height: 1.50"

  • Weight: 2.20 lb


Package Dimensions (L x W x H):



  • Length: 10.25"

  • Width: 5.00"

  • Height: 3.00"

  • Weight: 2.60 lb

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.