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MTX XTHUNDER125.4, Class A/B 4-Channel Amplifier 1000W Peak Power
Extreme Power
Continuing the Legacy that MTX Audio started almost 20 years ago with the development of the Thunder amplifier series, we introduce the next generation – XTHUNDER. These amplifiers are designed to deliver extreme power to the most demanding speaker system designs and are capable of driving subwoofers and full range speakers alike.
The XTHUNDER125.4 four channel amplifier powers high wattage speaker systems with headroom to spare, all without added distortion or over-heating during long hours of loud play.
What’s Under the Hood?
We start by using a class A/B amplifier topology to maximize power efficiency while delivering unmatched sound quality. This is all built on a dual sided circuit board with oversized copper traces that maximize electrical flow and minimize power loss before it gets to your speakers. Components are installed using surface mount technology making the circuit incredibly durable and vibration resistant allowing them to survive even when used in big bass systems.
Additional heat management is handled by the top cover which functions as a large surface area heat sink. This effectively dissipates built up heat so the amplifier runs cooler and can play louder longer. The chassis also includes removable side covers that create a stealth look when installed but also allow for easy access to connections and settings after mounting.
But the XTHUNDER125.4 isn’t just another pretty amplifier. It is loaded with features and enables full customization to ensure the best possible sound quality without distortion. Using the built-in, fully adjustable high and low pass filters, you are able to get exactly the sound you want from your speakers every time.
Built to Drive BIG Speaker Systems
Capable of delivering 125W RMS power per channel into a 2Ω load, the XTHUNDER125.4 is ideally suited to power MTX Signature Series and THUNDER series speakers. This is made possible by using high grade materials and a never wavering dedication to precision workmanship. This is what allows the XTHUNDER Series to deliver exceptional sound quality and performance.
FEATURES
- Class A/B Topology - Delivers Excellent Sound Quality
- Variable Bass Boost - Allows you to boost your bass output by up to 18dB @45Hz
- Low Profile Design - Allows for Installation Anywhere
- Cast Aluminum Top Cover - Efficiently Dissipates Heat
- Variable Butterworth Crossover - a 12dB/Oct crossover that allows you to set the frequency your speakers will play down or up to
- Triple Protection Circuitry - Thermal, DC Offset, and Short Circuit Protection circuitry ensures the amplifier will protect itself in the event of a problem
Number of Channels |
4 |
Class |
AB |
Peak Power Rating (Watts) |
|
RMS Power Rating (Watts x Channels) - 4 Ohms |
90 x 4 |
RMS Power Rating (Watts x Channels) - 2 Ohms |
125 x 4 |
RMS Power Rating (Watts x Channels) - 1 Ohm |
N/A |
RMS Power Rating - Bridged | 250 x 2 |
Minimum Impedance Unbridged (Ohms) |
2 |
Minimum Impedance Bridged (Ohms) |
4 |
THD at Rated RMS Power |
1% |
Bulit-in Crossover - Low Pass |
Yes |
Built-in Crossover - High Pass |
Yes |
High Pass Crossover Frequency (Hz) |
40-250hz |
Low Pass Crossover Frequency (Hz) |
40-250hz |
Signal-to-Noise Ratio |
60dB |
Bass Boost |
0-18dB |
Bass Remote Included |
No |
Fuse Rating | 60A |
CEA-2006 Compliant | Yes |
Maximum Power Wire Gauge Size | 4 Gauge |
Warranty | 1 Year |
Number of Channels |
4 |
Class |
AB |
Peak Power Rating (Watts) |
|
RMS Power Rating (Watts x Channels) - 4 Ohms |
90 x 4 |
RMS Power Rating (Watts x Channels) - 2 Ohms |
125 x 4 |
RMS Power Rating (Watts x Channels) - 1 Ohm |
N/A |
RMS Power Rating - Bridged | 250 x 2 |
Minimum Impedance Unbridged (Ohms) |
2 |
Minimum Impedance Bridged (Ohms) |
4 |
THD at Rated RMS Power |
1% |
Bulit-in Crossover - Low Pass |
Yes |
Built-in Crossover - High Pass |
Yes |
High Pass Crossover Frequency (Hz) |
40-250hz |
Low Pass Crossover Frequency (Hz) |
40-250hz |
Signal-to-Noise Ratio |
60dB |
Bass Boost |
0-18dB |
Bass Remote Included |
No |
Fuse Rating | 60A |
CEA-2006 Compliant | Yes |
Maximum Power Wire Gauge Size | 4 Gauge |
Warranty | 1 Year |
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to