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MTX Audio XThunder 300XD

300W RMS, Class D Monoblock Amplifier X Thunder 300 XD

4.5

(10 reviews)

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The product on this page is discontinued.
Rock Solid Design

Quality amplifiers at an affordable price point are what MTX Audio is all about. The XThunder series of amplifiers is no exception to that rule. Following MTX’s path of under-rated power, these amps go above and beyond to get your vehicle shaking. The anodized finish makes this amplifier stylish and durable.

An included bass knob allows you to fully adjust your bass to your personal preference. The amplifier allows includes a low-pass and subsonic filter so you can adjust your frequencies to playback just the way you want them to. The MTX Audio XThunder 300XD amplifier is sure to compliment any compatible subwoofer setup and sound great in the process!

Authorized MTX Dealer
  • X Thunder Series 1-Channel Class D Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 200 watts x 1 chan.
    • 2 ohms: 300 watts x 1 chan.
  • Patented Adaptive Class D Technology
  • Remote bass level input (remote level control sold separately)
  • LED power indicator
  • Tuned Bass EQ (0-12 dB bass boost at 40 Hz)
  • Anodized Finish
  • Single channel operation
  • Chrome X Thunder Badge
  • Mono gain control
  • Heavy duty aluminum construction with large heat-sinks
  • Variable low-pass filter (40-200 Hz, 24 dB/octave)
  • Subsonic Filter (20-50 Hz, 12 dB/octave)
  • Frequency response: 20-200 Hz
  • Dimensions: 11-1/4" 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 ohms200 watts x 1 channel
RMS Power @ 2 ohms300 watts x 1 channel
RMS Power @ 1 ohmN/A
Bridged RMS PowerN/A
Peak Power OutputN/A
Amplifier Specifications
Amplifier ClassD
Number of Channels1 - Mono
Total Peak Power OutputN/A
Total RMS Power Output300 watts
Maximum Input Gauge Size4 AWG
Minimum Impedance Unbridged2 ohms
Minimum Impedance BridgedN/A
THD at Rated RMS Power1%
Speaker Level InputsNo
Preamp OutputsNo
Built-in CrossoverLow-pass (LP)
High-Pass Crossover FrequencyN/A
Low-Pass Crossover Frequency40 - 200 Hz
Subsonic Filter20 - 50 Hz
Signal-to-Noise Ratio75 dB
Channel SeparationN/A
Bass Boost0 - 12 dB
Bass/Gain RemoteYes
Fan CooledNo
Fuse Rating30A x 1 
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 300XD
Average Customer Rating is 4.5 out of 5 stars:
4.5
based on 10 Reviews
Share your thoughts with others:
Rating Distribution:
5 star:
.
.
60%
4 star:
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.
30%
3 star:
.
.
10%
2 star:
.
0%
1 star:
.
0%
what's this?
Average Attributes Rating:
Durability
4.4
Value
4.7
Features
4.4
Design
4.2
Usability
4.7
what's this?
Quick Comparison:
Most Helpful Customer Reviews:
December 8, 2010 I'm givin her all she's got Capt'n!
Review by
BaBaBaBigBootyBass from cincinnati, OH
Overall
Durability
Value
Features
Design
Usability
I bought this amp about eight months ago, and I love it. I have a 12" JBL in my trunk at it rattles me to pieces. Though like any boy and their toy, you eventually want bigger, better, louder. MORE, MORE, GIVE ME MORE BASS!!!! But until I can rightly justify the NEED for more, this amp does me good. I have no complaints since I have bought it. It hammers out every ounce of bass it can handle, from Techno, Rap, Rock, Heavy Metal, and every other genre I have on my iPod. So all in all, it a good lil sucka that will provide a good bump for ya buck.
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November 8, 2010 MTX Thunder 300xd
Review by
Dan from Burlingame CA
Overall
Durability
Value
Features
Design
Usability
This AMP has worked flawlessly since I bought it. Not once has it overheated or had any problems. Does everything I wanted it to and then some. Would definitaley buy again.
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June 22, 2010 Good amp
Review by
E-dub from B-ville Utah
Overall
Durability
Value
Features
Design
Usability
This amp seems to be pretty good. I really have no complaints, good for the price. Only thing is that it have a sub-sonic filter and I really couldnt tell a difference with is turned off or up all the way, could just be me though.
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March 19, 2010 Tremendous Power
Review by
Christian from Reading, PA
Overall
Durability
Value
Features
Design
Usability
Paired this amp with 2 Earthquake Sound SWS-8X "pancake" subs in a BMW 325i. The amp has plenty of power to push these subs to their limit. In fact, I don't turn up the remote gain past 1/4! Another greater feature of this amp is the ability of the amp to turn itself on by sensing the signal in the speaker inputs. This means you do not have to run a separate aux line to the amp! In addition, the amp also lets us use high power input as the signal source. These features allowed for easy installation in the BMW which already has a factory amped installed. All you have to do is tap into the signal after it comes out of the BMW factory amp. (Before the amp the signal is digital). Made installation very easy!
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February 1, 2010 great amp
Review by
james from round rock, TX
Overall
Durability
Value
Features
Design
Usability
got this amp to power two 8" kicker subs on a little above 1/2 on the gain this little amp will shake every mirror in the truck awesome sound awesome price, Thanks sonic!
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View All 10 Reviews for MTX Audio XThunder 300XD
Amplifier Wiring Kits
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8 Gauge Amplifier Installation Power Kit (No RCA Interconnects)
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Speaker Wire
Improve the sound quality by delivering more power when replacing your factory wiring. High quality speaker will maximize your amplifier investment and system performance.
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12 Gauge Wire - 20 ft. of Dual Twist Speaker Cable with Sleeves for a Clean Install
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StreetWires SCP1215BL - 12 AWG Speaker WireStreetWires SCP1215BL - 12 AWG Speaker Wire
12 Gauge Wire - 15 ft. of Speaker Cable with Twisted Construction
$19.99
RCA Interconnects
You will need a good set of RCA interconnect cables to connect your amplifier to your head unit. Using high quality cables ensure the best sound possible by reducing unwanted noise interference, providing tight contacts, and utilizing the latest in cable technology.
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Directed Silver Series Audio Interconnect Cable ** LOW PRICE **Directed Silver Series Audio Interconnect Cable ** LOW PRICE **
20 ft. of 2-Channel RCA Interconnect cable with twisted pair construction.
$3.99
Monster Cable 300 Series XLN+ Audio Interconnect CableMonster Cable 300 Series XLN+ Audio Interconnect Cable
16.4 ft. of 2-Channel Monster Cable with XLN (Xtra Low Noise) construction, 6-cut turbine MirrorChrome connectors, and 2-way time correct windings for the ultimate RCA cable!
$45.00
StreetWires ZN5 Series Interconnect CableStreetWires ZN5 Series Interconnect Cable
16.4 ft. of ZN5 Series 2-Channel cable with twisted pair construction and oxygen-free copper for increased signal transfer with less unwanted noise.
$19.99
Capacitors
Capacitors store energy for the amplifier to use on demand, thereby assisting in the elimination of dimming lights during peak power surges during use.
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Raptor C1F ** SPECIAL PRICE **Raptor C1F ** SPECIAL PRICE **
True 1.0 Farad Car Audio Capacitor for up to 1000W Max
$31.99
e2 ECAP1 by Scosche - Mid-Level 1 Farade2 ECAP1 by Scosche - Mid-Level 1 Farad
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Rockford Fosgate RFC1D - Top of the Line 1 FaradRockford Fosgate RFC1D - Top of the Line 1 Farad
Digital 1.0 Farad Car Audio Capacitor for up to 1000W Max
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Installation, Tools & Accessories
With our professional install card, you can have your amp installed by a pro near you, or you can purchase tools and do the install yourself.
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StreetWires FB8StreetWires FB8
8 Gauge Firewall Bushing
$4.99
Kicker DB1448 (09DB1448) - Top of the Line!Kicker DB1448 (09DB1448) - Top of the Line!
Distribution Block with Two 1/0 or 4 AWG Inputs and Four 4 or 8 AWG Outputs
$18.99
Professional Installation for your Car Power AmplifierProfessional Installation for your Car Power Amplifier
Covers labor charges through our professional installer network.
$89.99
Testing and Performance
Optimize your system's performance with testing tools such as SPL meters, bass test discs and more!
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AutoSound 2000 CD-104AutoSound 2000 CD-104
The ultimate amplifier level setting disc used for evaluation of audio components
$12.99
AutoSound 2000 CD-102AutoSound 2000 CD-102
High Frequency Test CD specifically designed for the set-up and evaluation of sound system imaging and placement.
$12.99
AutoSound 2000 CD-103AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components.
$12.99

Product Summary

Manufacturer: MTX
Model number: 300XD
UPC: 715442241187
Weight: 10.00 lbs
Internal SKU: 300xd
Internal product ID: 9033
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Customer Testimonial

great item!!! Exactly as described brand new in box!!!! Works 110% perfectly! Great customer service with quick response to all the questions I had!!

- kh8366 from McGregor, TX

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