SKU: TM452
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Thunder Marine TM452 150W RMS 2-Channel Class A/B Amplifier

150W RMS 2 Ohm Stable 2-Channel Class A/B Full Range Marine Amplifier
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The TM452 is a 2-channel class A/B full range amplifier designed for the harshest marine environment. Conformal board coatings help to prevent corrosion, and thermal rail regulation helps to control amplifier temperature. Sealed covers keep amplifier controls and speaker terminals dry. Additionallly surface mount technology secures critical components to the PCB and resist vibration for long term performance even when used in harsh weather conditions. Even with all of this advanced technology, thunder marine is still pure, legendary MTX with versatile, high power amplifiers, clean, crisp speakers and boat rockin’ subs, you’ll see why Thunder Marine is the best sounding marine audio… ever!

Dimensions & Details


  • Topology: Class A/B
  • 4Ω RMS Power Output: 45W x 2 Channels
  • Signal to Noise Ratio: 78dB
  • 2Ω RMS Power Output: 75W x 2 Channels
  • Frequency Response: 20Hz - 20kHz
  • Crossover: Defeatable 18dB/octave @ 85Hz selectable HP/LP/FR
  • Max Sensitivity: 200mV
  • Maximum Input Signal: 2.5V
  • Salt Spray Tested: 500 Hours ASTMB117-03
  • Height: 2 3/8" (6.03 cm)
  • Width: 7 5/16" (18.57 cm)
  • Depth: 9 1/2" (24.13 cm)

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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