XTHUNDER800.5 800W RMS 5-Channel Full Range Class D Amplifier

Car Amplifiers

Amplifier Your Entire System

Big Power For Five Channels

MTX XThunder 1500 Watt AmplifierExtreme Sub Power

The XTHUNDER800.5 is the latest evolution of the Thunder amplifier series that MTX Audio made famous almost 20 years ago. These amplifiers are designed to deliver extreme power to the most demanding systems whether they be subwoofers or full range speakers.

The XTHUNDER800.5 5-channel amplifier powers four speakers and a thundering subwoofer or two with power to spare.

Full Range Class D Topology 2Ω Stable Bridgeable

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The XTHUNDER800.5 5-channel amplifier utilizes a highly efficient full range class D amplifier topology to ensure excellent thermal management under the harshest conditions for a full audio system. Capable of delivering 400W RMS power into a 2Ω subwoofer load and 125W RMS power into each of the four full range channels at 2Ω, the XTHUNDER800.5 is ideally suited to power entire systems that include full range speakers and subwoofers.

Using high end materials and a dedication to precision workmanship, the XTHUNDER Series deliver exceptional sound quality and performance.

MTX XThunder800 Car Subwoofer AmplifierXThunder 800 Key Features:

  • Full Range Class D Topology
  • Low Profile Design
  • Variable High and Low Pass Filters
  • Cast Aluminum Top Cover
  • Subsonic Filter and Bass Boost

Built To Drive Four Speakers And A Sub

The unit features a dual sided circuit board wiith increased copper traces that maximize electrical transfer and minimize power lost before it gets to your speakers. The surface mount technology, is incredibly durable and vibration resistant, allowing them to be damage resistant even when deployed in big systems. The entire top cover functions as a heat sink with a lot of surface area to effectively dissipate heat so that it can play louder and longer. The top cover includes removable side covers that allow for easy access to connections and settings even after installation.

The feature set on the XTHUNDER800.5 is loaded and enables full customization to ensure the best possible sound quality without distortion. Customization includes high and low pass filters, a subsonic filter, and bass boost that allow you to get exactly the sound you want from your system.

Don't Forget The Amp Kit

Remember, you cannot install an amplifier without an amplifier kit. MTX recommends using a ZN5K-04 or ZN5K-08 to power the XTHUNDER800.5.


Free Amp Kit Promo

  • Full Range Class D Design Offers Excellent Efficiency for Both Subwoofers and Full Range Speakers
  • Low Profile Design Allows for Installation Anywhere
  • Cast Aluminum Top Cover Efficiently Dissipates Heat
  • Variable Butterworth Crossover 12dB/Oct
  • Thermal, DC Offset, and Short Circuit Protection Circuitry
Tech Specs
4 Ohm RMS Power Output 75 x 4 (HF) + 300 x 1 (LF)
Signal to Noise Ratio >70dB
2 Ohm RMS Power Output 125 x 4 (HF) + 400 x 1 (LF)
THD <0.2%
Frequency Response 10Hz - 20kHz F/R + 10Hz - 250Hz Sub
Maximum Input Signal 5V
Max Sensitivity 100mV
Low Pass Filter Variable, 40Hz - 250Hz, 12dB/Oct (Sub)
High Pass Filter Variable, 40Hz - 250Hz, 12dB/Oct (F/R)
Subsonic Filter Fixed, 27Hz, 12dB
Bass Boost 12dB @ 45Hz
Topology Full Range Class D
Depth 8.9" (226.7mm)
Length 14.2" (359.9mm)
Height 2.03" (51.5mm)
Support Files
MTX004783 XTHUNDER Series Owner's Manual (32 pages) View |  Download
50Hz Download
50Hzmp3 Download
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