CALL US: 310-526-8635
MTX :: THUNDER75.4-R :: $74.95


Item# 46340

4-channel car amplifier — 75 watts RMS x 4

Sorry, this product is no longer available.

Highly Recommended Alternatives


Related Video:


What's Included:

  • 2mm Allen wrench
  • 4-Channel amplifier
  • Four 1/2" Self-tapping screws
  • 4mm Allen wrench
  • Owner's manual (English/ Spanish/ Portuguese/ French)

Product Highlights:

  • 75 watts RMS x 4 at 4 ohms (100 watts RMS x 4 at 2 ohms)
  • frequency response: 15-25,000 Hz
  • Class AB amp technology
  • variable high-pass filter on front channels (10-200 Hz, 12 dB/octave)
  • no onboard fuses — when installing multiple amps in a system, an additional 60-amp in-line fuse between the distribution block and the amplifier is recommended
  • 200 watts RMS x 2 bridged at 4 ohms (4-ohm stable in bridged mode)
  • 4-channel car amplifier
  • variable high- and low-pass filters on rear channels (50-750 Hz, 12 dB/octave)
  • preamp inputs
  • 4-gauge power and ground leads and a 60-amp fuse recommended — wiring and hardware not included with amplifier
  • 12-5/8"W x 2-1/4"H x 6-5/16"D

The MTX Thunder75.4 is a full range 4-channel amplifier. It has aluminum heatsinks to dissipate heat generated by the amplifier. The amp produces 75 watts RMS x 4 at 4Ω, 100 watts RMS x 4 at 2Ω, and 200 watts RMS x 2 bridged at 4Ω. Also features, provides protection against overheating, under voltage, and electrical short circuits and front and rear channels have independent built-in crossovers: Front, high-pass; continuously variable from 10 Hz (full range) to 200 Hz and Rear, switchable between low-pass, full range, and high-pass; the crossover point (high-pass or low-pass) is continuously variable from 50 Hz to 750 Hz Connections.


Bass Boost No
Signal to Noise Ratio 78 dB
Width (inches) 12-5/8
Power at 2 Ohms (Watts x Channels) 100 x 4
Best Frequency Response 15-25000 Hz
Low-Pass Slope (dB/octave) 12 dB/octave
High-Pass Slope (dB/octave) 12 dB/octave
Fuse Rating 60
Speaker Level Inputs No
RMS Power Output (Watts x Channels) 75 x 4
THD at Rated RMS Power 0.05%
Amplifier Class AB
Preamp Outputs No
Input Voltage 14.4v
Bass Boost Frequency N/A
Minimum Impedance Unbridged 2
Fan Cooled No
Peak Power Output (Watts x Channels) 200 x 4
Bridged Power (Watts x Channels) 200 x 2
Minimum Impedance Bridged 4
Low-Pass Crossover Frequency 50-750 Hz
High-Pass Crossover Frequency 10-750 Hz
Height (inches) 2-1/4
Depth (inches) 6-5/16
  • UPC: 715442241729
  • Weight: 6
  • Authorized Internet Dealer
*Warranty: 90 Days Manufacturer warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to for replacement within 30 days from the original date of purchase with proper return authorization. After the 30 day time period, products must be returned to their original manufacturer for the remainder of the manufacturer's warranty period.