Skip to content
Free shipping with delivery in 2-4 days See details
Free shipping with delivery in 2-4 days See details



King Boxes Dual 10" Upfire Ported 2014-2018 Chevy/GMC Truck Crew Cab Speaker Box

Save 20% Save 20%
Original price $349.99
Original price $349.99 - Original price $349.99
Original price $349.99
Current price $279.99
$279.99 - $279.99
Current price $279.99

Free Gifts when added to Cart

The more you spend, the greater selection of free gifts you'll have at your fingertips when selecting items in your shopping cart!

Spend More, Save More

Big Jeff loves his customers!!!
  • Spend $250, Save 3% *Must purchase 2 items to qualify
  • Spend $500, Save 5% *Must purchase 3 items to qualify
  • Spend $1000, Save 7% *Must purchase 4 items to qualify

*Does not apply to: Sundown, XS power or Kicker products*

*Does not stack with other promotional sales*

  • Thunderous Bass: Features two 10" subwoofers for an immersive audio experience that fills your cabin with deep, resonant bass.
  • Innovative Design: Upfire ported design enhances bass response, delivering a rich and dynamic sound that elevates your driving experience.
  • Perfect Fit: Custom-designed for 2014-2018 Chevy/GMC Silverado/Sierra Crew Cab models, ensuring seamless integration and a professional look.
  • Premium Construction: Crafted with high-quality materials for durability and longevity, matching the ruggedness of your truck.
  • Unparalleled Performance: Transform every drive into a concert on wheels with superior bass and pristine audio clarity, making every beat count.

King Boxes Dual 10" Upfire Ported 2014-2018 Chevy/GMC Truck Crew Cab Speaker Box

This Listing Includes:

  • (1) AK-GMC14-10 Speaker Box


Unleash the full potential of your truck's audio system with the King Boxes Dual 10" Upfire Ported Speaker Box, designed exclusively for 2014-2018 Chevy/GMC Silverado and Sierra Crew Cab models. Experience a seismic shift in sound quality as this meticulously engineered speaker box houses two powerful 10" subwoofers, delivering earth-shaking bass and pristine audio clarity. The innovative upfire ported design enhances bass response, filling your cabin with immersive, deep, and resonant sound. Constructed with premium materials, this speaker box ensures durability and longevity, perfectly matching the ruggedness of your truck. Seamlessly integrating into your vehicle’s interior, it offers a sleek, professional appearance without compromising on performance. Whether you're cruising the highway or tackling off-road adventures, the King Boxes Dual 10" Speaker Box transforms every drive into an extraordinary audio experience. Elevate your sound system to new heights and feel the power of superior bass with every beat.


  • 2014-2018 Chevy/GMC Silverado/Sierra Crew Cab 2x10"

  • Upfire Ported

  • 1" Cubic Feet Per Chamber

  • 5" Mounting Depth

  • Tuning: 37Hz

  • Silver Terminal Cups


  • Speaker Hole Diameter: 9" / 228.6 mm

  • Speaker Hole Depth: 6" / 152.4 mm

  • Speaker Box Dimensions: 8.75 x 16.75 x 51inches / 222.25 x 425.45 x 1295.4 mm

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.

Customer Reviews

Be the first to write a review