TOWERPKG1 4-Channel Marine Amplifier and 4 Tower Speakers

4 Channel Thunder

The perfect way to bring Thunder to your boat or UTV, this 4 speaker and amplifier package is the perfect way to take your system to the next level

This package is designed to be used in any marine or off-road vehicle environment where tower speakers can be utilized to add high output sound.


Wire, fuse, fuse holder and fittings required to connect amplifier to electrical system.


Cable to connect source to amplifier

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High Output Sound

This complete package is designed to upgrade your existing system to bring the Thunder. This package is designed to be used in any marine or off-road vehicle environment where tower speakers can be utilized to add high output sound.


Awesome Performance!

Mounted this new MTX amp in my wake boat and the waves are rocking. Easy fit and wiring. Used it to power your MTX marine subwoofer. Love it!

George 9/16/2014 WET500.1
MTX TOWERPKG1-300.jpg Marine Tower Speaker Package

The TOWERPKG1 MarineThunder Package

Includes components designed to withstand the elements wherever they are used:

  • 1 - WET75.4 4-Channel Sports Amplifier

  • 4 - TM652WB Tower/Roll Cage Coaxial Speakers

  • 1 - Amp Kit & Wiring

WET Series amplifiers from MTX Audio are designed to deliver all the power your system needs whether they are being used on a boat or off-road vehcile. The WET75.4 is a 4-channel full range amplifier.

The WET75.4 is capable of producing up to 400W total RMS power, 100 watts per channel. The unit features a a class A/B circuit design that delivers exceptional sound quality and small chassis with an extruded heat sink that effectively dissipates heat ensuring long play times.

It also incorporates a surface mount design, which attaches critical parts more securely to the circuit board creating greater resistance to vibration which is very important in boat and off-road applicaitons. This amplifier features a conformal coated circuit board making it resistant to moisture that may get into the the chassis. Other features include stainless steel hardware, rubber gaskets around interconnects, and plastic covers that cover the controls preventing moisture from getting into the amplifier.

MTX Thunder Marine Speakers

The WET75.4 Key Features

  • Small Chassis
  • Conformal Coated Circuit Board
  • Surface Mount Technology
  • Variable Crossover
  • Stainless Steel Hardware
  • Rubber Gaskets Around RCA Connectors
  • Plastic Cover Over Control Adjustments

The TM652WB is a 6.5" coaxial speaker with HDPE enclosure capable of delivering up to 75 watts RMS power and designed to mount to the tower or roll cage of boats and UTV's.

These speakers are designed to withstand the elements. They polypropylene woofer and dome tweeter are weather resistant. The HDPE enclosure is highly durable and includes a UV inhibitor that will prevent it from fading over time. The grilles feature ASA construction making them nearly unbreakable and all connections are made through the mounting bar and mounting bracket so no speaker leads are exposed and will not be corroded.

You can choose either black or white speakers in this package to compliment your boat or UTV's color scheme.

MTX Twoer marine Speaker

The TM652WB Key Features

  • Rotationally Molded Weather Resistant Enclosure
  • Fits Bars Between 2-1/8" and 3"
  • Polypropylene Woofer and Soft Dome Tweeter
  • Internal Crossover Network
  • ASA Impact Resistant Grille with UV Inhibitor
  • Tested 500hrs to ASTM B117, D4329 Standard

Includes Amp Kit

This package additionally includes an 8-gauge ZN5K-08 amplifier kit that includes power, ground, and remote wire for connecting the amplifier to the vehicle's electrical system. An upgrade to a 4-gauge kit is available in the drop down menu. Interconnects are also included to connect the source unit to the amplifier in either a 3.5 meter or 6 meter length. Finally, the package includes 50 feet of 14-gauge speaker wire for connecting the speakers to the amplifier.

Dimensions & Details


  • Description: 4-Channel
  • 4Ω RMS Power Output: 75 Watts x 4 Channels
  • Signal to Noise Ratio: 80dB
  • 2Ω RMS Power Output: 100 Watts x 4 Channels
  • Topology: Class A/B
  • THD: <1%
  • Frequency Response: 15Hz - 25kHz
  • Crossover: Variable LPF 50Hz to 750Hz (Rear), Variable HPF 10Hz-200Hz (Front), Variable HPF 50Hz-750Hz (Rear), 12dB/Oct
  • Subsonic Filter: NA
  • Max Sensitivity: 200mV
  • Maximum Input Signal: 5V
  • Height: 2-1/4"
  • Width: 12-1/8"
  • Depth: 6-3/8"


Returns & Warranty

30-Day Money-Back Guarantee

At MTX Audio, we are serious about sound®. Therefore, if you are not "blown away" with your purchase, for any reason, you can return any items purchased directly from that are complete and like new within 30 days. Products purchased from authorized MTX retailers must be returned through that same retailer. Products purchased through non-authorized MTX retailers may not be returned.

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Warranty Information

MTX products purchased in the USA from an authorized MTX dealer are guaranteed against defects in material and workmanship for the period of time specified below, the warranty period begins the day the product is purchased by the end user. This warranty is limited to the original retail purchaser of product and extends only to products purchased from authorized MTX resellers. Product found to be defective during that period will be repaired or replaced by MTX at no charge.

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