Massive Audio 15" 1400 Watt Subwoofer Dual 4 Ohm Voice Coil GTX154 — Big Jeff Audio Dealer Platform
Skip to content
Welcome To The Dealer Platform
Welcome To The Dealer Platform


  • Dual-Stacked High Flux Y30 120oz Strontium Ferrite Magnets
  • Poly-Cotton Spider with Woven Round Tinsel Leads
  • UV Treated / Non-Pressed Paper Cone with EROM Foam Surround
  • Watts RMS: 700 Peak Power: 1400

Massive Audio 15" 1400 Watt Subwoofer Dual 4 Ohm Voice Coil GTX154

This Listing Includes: 

(1) 15" Subwoofer GTX154

The GTX154 Series subwoofers are powerhouses, boasting a rating of 700 watts RMS / 1400 watts MAX power, featuring a 2.5" voice coil configured for Dual 4-ohm impedance. What sets these GTX subs apart is their precision – they showcase meticulous craftsmanship, with vibrant Red stitching elegantly sewn through a UV-treated non-pressed paper cone, firmly adhered to an EROM foam surround. This assembly is securely bonded to a robust steel basket, firmly attached to double stacked high-flux Y30 120oz Strontium ferrite magnets, enhanced by a 10mm top plate. To complete the ensemble, a springy poly-cotton spider and high-powered woven tinsel leads ensure peak performance, connecting to spring-loaded 5-way binding nickel-plated speaker connectors. These subwoofers deliver exceptional sound quality, epitomizing Massive Audio's unwavering commitment to value and performance.


  • Heavy-gauge Steel Basket with Industrial Texture Painting

  • Dual Impedance / 2.5" 4 Layer Hi-Temp Voice Coil

  • Round Shape PP Vacuum Dust Cap

  • 10mm Top Plate

  • Customized Rubber Gasket & Magnet Boot



  • Size: 15"

  • Watts RMS: 700

  • Peak Power: 1400

  • Cone: UV Treated / Non-Pressed Paper

  • Voice Coil: 2.5"

  • Dual 4 Ohm

  • Surround: EROM Foam

  • Magnet: 120oz

  • Terminals: 5 Way Binding Push Terminals

  • Basket: Heavy Gauge Steel

  • Tinsel Leads: Woven Round


  • Ported Box: 20"H x 15"D x 24"W / 14.05 sq. in. Port Area

  • Sealed Box: 3.43 ft3

  • Mounting Depth: 8.07"

  • Mounting Width: 13.62"

  • Overall Diameter: 15.35"

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.