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MTX Audio XThunder 504X

600W Max, 4-Channel Amplifier X Thunder 504 X

3.0

(2 reviews)

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The product on this page is discontinued.
Authorized MTX Dealer
  • X Thunder Series 4-Channel Class AB Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 50 watts x 4 chan.
    • 2 ohms: 75 watts x 4 chan.
    • Bridged, 4 ohms: 150 watts x 2 chan.
  • Patented Adaptive Class AB Technology
  • LED power indicator
  • Anodized Finish
  • Single channel operation
  • Chrome X Thunder Badge
  • Stereo gain control
  • Heavy duty aluminum construction with large heat-sinks
  • Variable high-pass filter (40-8000 Hz, 12 dB/octave)
  • Variable low-pass filter (40-800 Hz, 24 dB/octave)
  • Frequency response: 20-20000 Hz
  • Dimensions: 12-1/2" L x 9-1/8" W x 2-1/4" H
  • 4-gauge power and ground leads recommended. Contact us for information regarding a discount on a select amplifier kit when purchased together.
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
Power Specifications - Full Range Channels
RMS Power @ 4 ohms50 watts x 4 channels
RMS Power @ 2 ohms75 watts x 4 channels
RMS Power @ 1 ohmN/A
Bridged RMS Power150 watts x 2 channels
Peak Power Output300 watts x 2 channels
Amplifier Specifications
Amplifier ClassAB
Number of Channels4
Total Peak Power Output600 watts
Total RMS Power Output300 watts
Maximum Input Gauge Size4 AWG
Minimum Impedance Unbridged2 ohms
Minimum Impedance Bridged4 ohms
THD at Rated RMS Power1%
Speaker Level InputsYes
Preamp OutputsNo
Built-in CrossoverLow-pass (LP)
High-pass (HP)
High-Pass Crossover Frequency40 - 8000 Hz
Low-Pass Crossover Frequency40 - 800 Hz
Subsonic FilterN/A
Signal-to-Noise Ratio75 dB
Channel SeparationN/A
Bass BoostN/A
Bass/Gain RemoteNo
Fan CooledNo
Fuse RatingN/A
CEA-2006 CompliantNo
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderManufacturer
Customer Review Summary for MTX Audio XThunder 504X
Average Customer Rating is 3.0 out of 5 stars:
3.0
based on 2 Reviews
Share your thoughts with others:
Rating Distribution:
5 star:
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50%
4 star:
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0%
3 star:
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0%
2 star:
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0%
1 star:
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50%
what's this?
Average Attributes Rating:
Durability
2.5
Value
3.0
Features
4.0
Design
3.5
Usability
3.5
what's this?
Quick Comparison:
Most Helpful Customer Reviews:
July 12, 2007 Great xover options for $150!!!
Review by
Jeffrey from Loganville, GA
Overall
Durability
Value
Features
Design
Usability
You would be hard pressed to find an amp for $150 that has these crossover options. This one is great for an active component setup. I'm giving everything above 3000Hz to my tweeters and 80Hz-3500Hz goes to the mids. If your head unit has separate front/back RCA outs, then you can use your fader to balance the output between your tweets and mids. You could also run a component set with a passive xover on channels 1/2 and set channels 3/4 to bandpass between 80Hz and 300hz for a set of mid-bass drivers. If your head unit has separate front/back RCA outs, then you can use your fader to balance the output between your tweets and mids.

It comes with a detailed birthsheet. You know exactly how much power it puts out, which is more than rated. I was not too crazy about the big "X Thunder" logo on the top. It looks a little gaudy to me, but it's going under the front seat so who cares. All-in-all this is a great little amp with great features at a low low price.
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February 4, 2008 bad luck?
0 of 1 people found the following review helpful:
Review by
Robert from innisfil, ON, Canada
Overall
Durability
Value
Features
Design
Usability
THIS IS ONE TERRIBLE AMPLIFIER.MAYBE IT WAS JUST DEFECTIVE FROM THE START.THE SOUND IT PRODUCES IS POOR AT BEST.ALSO IT RATTLES INSIDE.MAYBE UPS DROPPED OR SOMETHING.ALSO I THINK ITS SHORTING OUT AS IT CREATES A CRACKLING IN CHANNEL 4.I ALSO HATE THE DIALS AT THE BOTTOM.
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Product Summary

Manufacturer: MTX
Model number: 504X
UPC: 715442241132
Weight: 9.50 lbs
Internal SKU: 504x
Internal product ID: 9035
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Customer Testimonial

All I want from an internet retailer is a great product selection, fair prices and great customer service (free shipping don't hurt either). Never heard of these guys before until a few weeks ago. All my orders have been perfect. Thank you guys!

- Rick from Buffalo, NY

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