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MTX Audio Thunder Marine TM1805

5-Channel Amplifier for Marine Use

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Specials with this product

  • Free Ground Shipping to the 48 statesdetails
Authorized MTX Dealer
  • Thunder Marine Series 5-Channel Class AB Marine Amplifier
  • RMS Power Rating:
    • 4 ohms: 45 watts x 4 chan. + 150 watts x 1 chan.
    • 2 ohms: 75 watts x 4 chan. + 300 watts x 1 chan.
  • Max power output: 360 watts
  • LED power indicators
  • Tuned Bass EQ (0-18 dB bass boost at 40 Hz)
  • Conformal board coatings for anti-corrosion protection
  • Thermal rail regulation maintains optimum amplifier temperature
  • Sealed control covers to keep internal components dry
  • Salt spray tested: ASTMB117-03
  • Gold-plated RCA level inputs
  • Gold-plated screw terminals
  • Defeatable high-pass filter (85 Hz, 18 dB/octave)
  • Defeatable low-pass filter (85 Hz, 18 dB/octave)
  • CEA-2006 compliant amplifier
  • Frequency response: 20-20000 Hz
  • Dimensions: 15-1/16"L x 9-1/2"W x 2-3/8"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 ohms45 watts x 4 channels
RMS Power @ 2 ohms75 watts x 4 channels
RMS Power @ 1 ohmNot Stable
Bridged RMS PowerNot Specified
Peak Power OutputN/A
Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms150 watts x 1 channel
RMS Power @ 2 ohms300 watts x 1 channel
RMS Power @ 1 ohmN/A
Peak Power OutputN/A
Amplifier Specifications
Marine CertifiedYes
Amplifier ClassAB
Number of Channels5
Total Peak Power Output1800 watts
Total RMS Power Output600 watts
Maximum Input Gauge Size4 AWG
Minimum Impedance Unbridged2 ohms
Minimum Impedance BridgedNot Specified
THD at Rated RMS Power1%
Speaker Level InputsNo
Preamp OutputsNo
Built-in CrossoverLow-pass (LP)
High-pass (HP)
Full (AP)
High-Pass Crossover FrequencyDefeatable @ 85 Hz, 18 dB/octave
Low-Pass Crossover FrequencyDefeatable @ 85 Hz, 18 dB/octave
Subsonic FilterN/A
Signal-to-Noise Ratio78 dB
Channel SeparationN/A
Bass Boost0 - 18 dB
Bass/Gain RemoteNo
Fan CooledNo
Fuse Rating25A x 3 
CEA-2006 CompliantYes
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderManufacturer
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Amplifier Wiring Kits
Get the wires you need to properly install and power your marine amplifier.
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Dual Amplifier 4 Gauge Amp Installation Kit w/ Distribution Blocks		$99.99
Kicker ZCK4Kicker ZCK4
Complete 4 Gauge Amp Wiring Kit with RCA Interconnect Cables and Speaker Wire!		$89.99
The InstallBay AK4 by MetraThe InstallBay AK4 by Metra
4 Gauge Amplifier Installation Kit with RCA Interconnect Cable		$26.99
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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Monster Cable 300 Series XLN+ Audio Interconnect CableMonster Cable 300 Series XLN+ Audio Interconnect Cable
16.54 ft. of 6-Channel RCA Cables with 2-way time correct windings and Xtra Low Noise (XLN) construction for optimal signal transfer.		$89.00
Stinger PRO3 Series Interconnect CableStinger PRO3 Series Interconnect Cable
17 ft. of 6-Channel RCA Cable with high-twist construction and ShocKrome end connectors provide a secure fit with top-notch signal transfer.		$31.99
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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Kicker XW1220 Speaker WireKicker XW1220 Speaker Wire
12 Gauge Wire - 20 ft. of Dual Twist Speaker Cable with Sleeves for a Clean Install		$24.99
StreetWires SCP1215BL - 12 AWG Speaker WireStreetWires SCP1215BL - 12 AWG Speaker Wire
12 Gauge Wire - 15 ft. of Speaker Cable with Twisted Construction		$19.99
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 FB4StreetWires FB4
4 AWG / 4 Gauge Firewall Bushing		$7.99
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
Main Product
 ProductPriceAdd?
MTX TM1805MTX Audio Thunder Marine TM1805$329.95

Product Summary

Manufacturer: MTX
Model number: TM1805
UPC: 715442241033
Weight: 11.00 lbs
Internal SKU: tm1805
Internal product ID: 11140

Price Information

$639.95

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$329.95

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Customer Testimonial

I ordered the 12" Kicker Solo-Baric L7 and I could not be happier than I am right now. It was by far the best deal anywhere and for the quality of this sub the price was unbelievable. In fact, I am going to order another one next month. The deilvery was quick and the service was amazing. Thanks!

- Dan from Pasadena, MD

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