MTX 504X 300W RMS 4-Channel Class A/B Amplifier

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No longer in production

300W RMS 2 Ohm Stable 4-Channel Class A/B Full Range Amplifier

SKU: 504X
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The XThunder 504X is a 4-channel designed to power coaxial or component speakers in any vehicle application. This unit features a full range, class A/B design that allows it to deliver exceptional sound quality.

Key Features:

  • Anodized Aluminum Top Cover
  • Class A/B Topology
  • Set Screw Terminals
  • High and Low Pass Crossover
  • Line and Speaker Level Inputs
  • Durable ABS Endcaps

The XThunder 504X offers high end fit and finish that is designed to bring a great look and great sound to your installation. The unit features an anodized aluminum top cover that not only looks good but efficiently dissipates heat away from critical components ensuring the amplifier plays loud and long when you need it to. Each channel is capable of outputting 50-watts RMS power at 4Ω or 75watts RMS power at 2Ω. Additionally the rear channels can be bridged to drive a 4Ω subwoofer with 150-watts RMS power. 

504X EndcapThe class A/B topology has long been considered the standard for sound quality and the 504X delivers with crystal clear sound, even at high volumes. The unit includes both a high pass and low pass filter so that your speakers play only the frequencies they are supposed to without overworking. The unit can easily connect to factory or aftermarket radios using either the high level or speaker level inputs to get signal from the source to the amplifier.

The unit's terminal blocks use set screw type connectors to ensure maximum signal transfer of both power and output. A set screw connector eliminates the need for a spade or slide connector and offers the best security for maintaining wire integrity within the block. Overall the XThunder 704X delivers great sound and high power at an unbeatable price that offers great value and peace of mind.

Anodized Aluminum Top Cover
Class A/B Topology
Set Screw Terminals
High and Low Pass Crossover
Line and Speaker Level Inputs
Tech Specs
Description 4 Channel
Total Peak Power 600 Watts
2 Ohm RMS Power Output 75W x 4 Channels
4 Ohm RMS Power Output 50W x 4 Channels
1 Ohm RMS Power Output NA
Bridged RMS Power 150W x 2 Channels
Signal to Noise Ratio >75 dB
Topology Class A/B
THD <1%
Frequency Response 20Hz - 20kHz
Crossover High, 12dB/Oct; 40Hz to 8000Hz Low, 24dB/Oct; 40Hz to 5000Hz
Max Sensitivity 250mV
Maximum Input Signal 4V
Height 9.125"
Width 9.75"
Depth 2.25"
Support Files
1kHzmp3 Download
504x_704x_InstallSheet (1 page) View |  Download