SKU: TN300.4

TERMINATOR 300-Watt RMS Full Range Class D 4-Channel Amplifier

Availability: In stock
$279.95 MSRP

Crystal Clear Sound

The TN300.4 4-channel ultra-compact amplifier provides all the power and clarity you need without any burdening heat and distortion. The TERMINATOR legacy that stands for quality and reliability continues in this model along with enhancements to power and control putting you in the front row of the concert.

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TN300.4 Compact Design

Compact Design with Clarity In Mind

The TERMINATOR TN300.4 amplifier is a high-quality 300-watt RMS amplifier that can be installed in almost any vehicle due to its compact chassis size and multi-sectioned mounting bars Thanks to its impressive power capability and wiring versatility, this amplifier is an ideal choice for running multi-channel speaker systems.

TN300.4 Reliable and Efficient Power

Reliable and Efficient Power that Doesn’t Disappoint

Designed with efficient, Full-Range Class-D technology, this amp offers an unparalleled music experience that is true to the artist's intent. With customizable multi-channel configuration options, you can tailor your speaker system to your desired preferences without compromising on power or functionality. Our surface mount technology ensures a compact design that is highly reliable and resistant to vibrations.

TN300.4 Designed to Put You In Control

Designed to Put You In Control

The TN300.4 has integrated, variable gain and crossover controls to fine-tune your system. With next-generation circuitry, you’re protected against under or over-voltage, thermal, and short circuits. The LED status indicator light informs you of anything out of the ordinary.

Dimensions & Details


  • A - Length:
    7 ⅛" (180mm)
  • B - Width:
    5 ⁷⁄₁₆" (137mm)
  • C - Depth:
    2" (50mm)
TN300.4 Dimensions


  • Reliable and Efficient Full Range Class-D Circuit Design
  • Small Size Footprint for Easy Installation
  • Surface Mount Component Technology
  • Fully Adjustable Gain and Crossover controls
  • Direct Insert Power and Speaker Terminals
  • Power and Protection LED Light Status Indicator
  • Short, Thermal, and Under / Over Voltage Protection


  • CTA-2006-D Compliant
  • Recommended Fuse Rating: 60Amp


  • Description: 4-Channel
  • Topology: Full Range Class D
  • 4Ω RMS Power Output: 50W x 4 Channels
  • 2Ω RMS Power Output: 75W x 4 Channels
  • 2Ω RMS Bridged Power Output: 150W x 2 Channels
  • THD: < 0.3%
  • Signal to Noise Ratio: > 90dB
  • Frequency Response: 20Hz - 20kHz
  • Crossover: 40Hz - 400Hz
  • Maximum Input Signal: 6V
  • Warranty Period: 24 months from date of purchase


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.

About Our Warranty