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MTX Audio Thunder Marine TM904

4-Channel Amplifier for Marine Use

MTX
Shop all MTX
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Thunder Marine Series 4-Channel Class AB Marine Amplifier • 45W x 4 chan. @ 4 ohm • 75W x 4 chan. @ 2 ohm • MOSFET power supply • Conformal coated circuit board • Gold-plated screw terminals

Learn more about the tm904

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Description


MTX brand icon

Authorized dealer

Authorized MTX 

Dealer
  • Thunder Marine Series 4-Channel Class AB Marine Amplifier
  • RMS Power Rating:
    • 4 ohm: 45 watts x 4 chan.
    • 2 ohm: 75 watts x 4 chan.
    • Bridged, 4 ohm: 150 watts x 2 chan.
  • Max power output: 900 watts
  • MOSFET power supply
  • LED power indicators
  • Preamp RCA outputs
  • Conformal coated circuit board
  • Sealed covers keep amplifier controls and speaker terminals dry. Impact resistant grilles protect the speakers while still looking great.
  • Gold-plated screw terminals
  • Defeatable high-pass filter and low-pass filter (85 Hz, 18 dB/octave)
  • Subsonic Filter (24 dB at 15 Hz)
  • CEA-2006 compliant amplifier
  • Frequency response: 20-20000 Hz
  • Dimensions: 9-1/2"L x 10-13/16"W x 2-3/8"H
  • Authorized Internet Dealer
  • 1-year Manufacturer’s warranty

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
45 watts x 4 channel
RMS Power @ 2 ohms
75 watts x 4 channel
RMS Power @ 1 ohm
Not Stable
Bridged RMS Power
150 watts x 2 channel
Amplifier Specifications
Amplifier Class
A/B
Number of Channels
4-Channel
Total Peak Power Output
900 watts
Total RMS Power Output
300 watts
Maximum Input Gauge Size
8 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
1%
Speaker Level Inputs
Yes
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
85 Hz
Low-Pass Crossover Frequency
85 Hz
Signal-to-Noise Ratio
78 dB
Remote bass/level controller
No
Fuse Rating
25A x 2 
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

MTX

Model Number:

TM904

Weight:

8.00lbs

Internal SKU:

tm904

Internal Product ID:

10337

Customer Ratings & Reviews


MTX Audio Thunder Marine TM904 thumbnail image

5 star
50%
4 star
50%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
4
Features
4
Design
4.5
Usability
5

Customer Reviews

Sort by:

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lo mejor

I bought thunder mtx marine tm904. Amplifier is very good quality, and has the best sound, buy this product and you will not be disappointed.

By E.A.M.M. on February 1, 2012

18 found this helpful


Excellent Amp

I mounted the amp in my sand rail running a couple of Boss marine 6x9s, it's been performing very well with plenty of exposure to moisture, sunlight and lots of vibration. The only thing that would make this amp any better would be if MTX produced it in the USA. The quality is definately there, it's simply not made here, and made in the USA would make it awesome!

By Mike on November 30, 2011

17 found this helpful




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