DS18 Marine Gain Attenuator (Bass Knob) Universal RCA Input / Output M — Big Jeff Online Inc
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Free shipping with delivery in 2-4 days See details



DS18 Marine Gain Attenuator (Bass Knob) Universal RCA Input / Output MBKR

Save 20% Save 20%
Original price $49.95
Original price $49.95 - Original price $49.95
Original price $49.95
Current price $39.95
$39.95 - $39.95
Current price $39.95
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  • Universal Compatibility: Compatible with any source unit for versatile use with various audio systems.
  • Remote Volume Control: Enables easy remote volume or level control for any head unit, enhancing your audio experience.
  • Waterproof Design: Boasts an IP65 waterproof rating, ensuring reliable performance in wet environments like boats, jet skis, or ATVs.
  • Easy Installation: Utilizes a straightforward "1 hole" mounting method for quick and hassle-free installation on your dashboard.
  • Versatile Application: Ideal for use as a subwoofer or zone level control, providing flexibility in sound customization.

DS18 Marine Gain Attenuator (Bass Knob) Universal RCA Input / Output MBKR

This Listing Includes:

  • (1) Universal RCA Input / Output Marine Bass Knob

Elevate your audio experience with the DS18 MBKR Universal Waterproof RCA Line Level Control. This versatile device is compatible with any source unit, offering universal compatibility with various audio systems. With the ability to enable remote volume or level control for any head unit, it puts you in complete command of your sound system. The waterproof design with an IP65 rating ensures reliable performance even in wet environments, making it perfect for boats, jet skis, or ATVs. The "1 hole" mounting method simplifies installation on your dashboard, providing easy access to precise sound adjustments. Experience superior audio control and customization with the DS18 MBKR.



  • Product Type: Universal RCA Line Level Control

  • Functionality: Enables remote volume or level control for any head unit

  • Mounting Method: Utilizes a straightforward "1 hole" mounting method for easy installation

  • Waterproof Design: Features an IP65 waterproof rating

  • Versatile Application: Ideal for use as a subwoofer or zone level control

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.

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