Garage
Shop

Discontinued MTX 4-Channel Amplifiers

Perfectly balanced sound awaits with MTX's versatile 4-Channel Amplifiers.

Loading...
Filters

We are sorry, no available results!

Shop the Category

filter-icon Filters & Sort
You are currently viewing discontinued products.

MTX Audio TA3404 Thunder 3404

4-Channel Amplifier Thunder3404

Go to item page Right Arrow Icon of Right Arrow

4-Channel Amplifier Thunder3404

200 watts RMS x 2 • front and rear crossovers • preamp outputs • speaker-level inputs with Smart Engage

200 watts RMS x 2 • front and rear crossovers • preamp outputs • speaker-level inputs with Smart Engage

MTX Audio RT604

360W 4-Channel Class A/B Road Thunder Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

360W 4-Channel Class A/B Road Thunder Series Amplifier

• 90W x 4-Chan @ 2 Ohm
• 60W x 4-Chan @ 4 Ohm
• Speaker-level (high-level) inputs
• Preamp RCA outputs
• High/Low-Pass Filters

• 90W x 4-Chan @ 2 Ohm
• 60W x 4-Chan @ 4 Ohm
• Speaker-level (high-level) inputs
• Preamp RCA outputs
• High/Low-Pass Filters

MTX Audio TC4004

1200W Max, Thunder TC 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

1200W Max, Thunder TC 4-Channel Amplifier

1200 watts Max, Class A/B 4-Channel Amplifier • 100 watts x 4 chan. @ 2 ohm • 200 watts x 2 chan. @ 4 ohm Bridged • CEA-2006 Compliant • 12 dB per Octave, Adjustable High Pass and Low Pass Crossover • Smart Engage Auto Turn-On for easy installation with factory radios • Frequency Response: 20 - 20,000 Hz

1200 watts Max, Class A/B 4-Channel Amplifier • 100 watts x 4 chan. @ 2 ohm • 200 watts x 2 chan. @ 4 ohm Bridged • CEA-2006 Compliant • 12 dB per Octave, Adjustable High Pass and Low Pass Crossover • Smart Engage Auto Turn-On for easy installation with factory radios • Frequency Response: 20 - 20,000 Hz

MTX Audio JackHammer JH404

800W Max, 4-Channel Jack Hammer Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

800W Max, 4-Channel Jack Hammer Series Amplifier

JackHammer Series 4-Channel Class AB Car Amplifier • 50W x 4 chan. @ 4 ohm • 100W x 4 chan. @ 2 ohm • 200W x 2 chan. @ 4 ohm • 200W x 4 chan. Max • Patented Pure N-Channel technology • Smart Engage circuitry • Stackable configuration • Built-in active fan cooling

JackHammer Series 4-Channel Class AB Car Amplifier • 50W x 4 chan. @ 4 ohm • 100W x 4 chan. @ 2 ohm • 200W x 2 chan. @ 4 ohm • 200W x 4 chan. Max • Patented Pure N-Channel technology • Smart Engage circuitry • Stackable configuration • Built-in active fan cooling

MTX Audio TC6004

1800W Max 4-Channel Amplifier

Go to item page Right Arrow Icon of Right Arrow

1800W Max 4-Channel Amplifier

Thunder Series 4-Channel Class A/B Car Amplifier • 1800W Max • 150 Watts x 4 Chan. @ 2 Ohm • Speaker Level Inputs • Preamp Summed RCA Output • Wired Remote Bass Level Control • Soft Start Turn-on • Bass Boost

Thunder Series 4-Channel Class A/B Car Amplifier • 1800W Max • 150 Watts x 4 Chan. @ 2 Ohm • Speaker Level Inputs • Preamp Summed RCA Output • Wired Remote Bass Level Control • Soft Start Turn-on • Bass Boost

MTX Audio Terminator TN400/4

600W 4-Channel Terminator Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

600W 4-Channel Terminator Series Amplifier

• 45W x 4-Chan. @ 4 ohm
• 75W x 4-Chan. @ 2 ohm
• 150W x 2 chan. @ 4 ohm
• 150W x 4-Chan. Max
• Selectable bass boost
• Smart engage auto turn-on circuitry
• Built-in adaptive cooling fans

• 45W x 4-Chan. @ 4 ohm
• 75W x 4-Chan. @ 2 ohm
• 150W x 2 chan. @ 4 ohm
• 150W x 4-Chan. Max
• Selectable bass boost
• Smart engage auto turn-on circuitry
• Built-in adaptive cooling fans

MTX Audio XThunder 704X

420W RMS, 4-Channel Amplifier X Thunder 704 X

Go to item page Right Arrow Icon of Right Arrow

420W RMS, 4-Channel Amplifier X Thunder 704 X

X Thunder Series 4-Channel Class AB Car Amplifier • 70W x 4 chan. @ 4 ohm • 105W x 4 chan. @ 2 ohm • Stereo gain control • Heavy duty aluminum construction with large heat-sinks

X Thunder Series 4-Channel Class AB Car Amplifier • 70W x 4 chan. @ 4 ohm • 105W x 4 chan. @ 2 ohm • Stereo gain control • Heavy duty aluminum construction with large heat-sinks

** CLOSEOUT!! ** MTX Audio TA7804 Thunder 7804

4-Channel Super Amplifier Thunder7804

Go to item page Right Arrow Icon of Right Arrow

4-Channel Super Amplifier Thunder7804

4-Channel Super Amplifier • 200W x 4 @ 2 Ohm RMS • MOSFET power supply • A.R.C. • accent lighting effects • overload and thermal protection • CEA-2006 Compliant

4-Channel Super Amplifier • 200W x 4 @ 2 Ohm RMS • MOSFET power supply • A.R.C. • accent lighting effects • overload and thermal protection • CEA-2006 Compliant

MTX Audio XThunder 504X

600W Max, 4-Channel Amplifier X Thunder 504 X

Go to item page Right Arrow Icon of Right Arrow

600W Max, 4-Channel Amplifier X Thunder 504 X

X Thunder Series 4-Channel Class AB Car Amplifier • 50W x 4 chan. @ 4 ohm • 75W x 4 chan. @ 2 ohm • Stereo gain control • Heavy duty aluminum construction with large heat-sinks

X Thunder Series 4-Channel Class AB Car Amplifier • 50W x 4 chan. @ 4 ohm • 75W x 4 chan. @ 2 ohm • Stereo gain control • Heavy duty aluminum construction with large heat-sinks

MTX Audio TA5604 Thunder 5604

4-Channel High-Perfomance Amplifier Thunder 5604

Go to item page Right Arrow Icon of Right Arrow

4-Channel High-Perfomance Amplifier Thunder 5604

4-Channel High-Perfomance Amplifier Thunder 5604 • 75W x 4 chan. @ 4 Ohm • 150W x 4 chan. @ 2 Ohm • dual mono output • XTC cooling • CEA-2006 compliant • remote subwoofer level control

4-Channel High-Perfomance Amplifier Thunder 5604 • 75W x 4 chan. @ 4 Ohm • 150W x 4 chan. @ 2 Ohm • dual mono output • XTC cooling • CEA-2006 compliant • remote subwoofer level control

MTX Thunder Elite 604 (TE604)

4-Channel Thunder Elite Class AB Amplifier

Go to item page Right Arrow Icon of Right Arrow

4-Channel Thunder Elite Class AB Amplifier

Thunder Elite 4-Channel Class AB Car Amplifier • 80W x 4 chan. @ 4 ohm • Semi Unregulated MOSFET • Dual Mono Output • Overload and Thermal Protection • High Level with Smart Engage Auto Turn-on RCA Input • Xtant Technologies Cooling • Bi-Level RCA Inputs (high/low)

Thunder Elite 4-Channel Class AB Car Amplifier • 80W x 4 chan. @ 4 ohm • Semi Unregulated MOSFET • Dual Mono Output • Overload and Thermal Protection • High Level with Smart Engage Auto Turn-on RCA Input • Xtant Technologies Cooling • Bi-Level RCA Inputs (high/low)

MTX RFL404

800W 4-Channel RFL Series Car Amplifier with Active Cooling Fan

Go to item page Right Arrow Icon of Right Arrow

800W 4-Channel RFL Series Car Amplifier with Active Cooling Fan

4-Channel RFL Series Car Amplifier • Patented Pure N-Channel Technology • Smart Engage Circuitry • JackStands Included • Built-In Active Fan Cooling Technology • CEA-2006 Compliant Amplifier • Preamp RCA Outputs

4-Channel RFL Series Car Amplifier • Patented Pure N-Channel Technology • Smart Engage Circuitry • JackStands Included • Built-In Active Fan Cooling Technology • CEA-2006 Compliant Amplifier • Preamp RCA Outputs

MTX Audio X704 (Same as 704X)

1260W Max, 4-Channel Class A/B X Thunder Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1260W Max, 4-Channel Class A/B X Thunder Car Amplifier

4-Channel Class A/B X Thunder Car Amplifier • 70W x 4 Chan @ 4 ohm • 105W x 4 Chan @ 2 ohm • 1260W Max • Speaker-Level Inputs • RCA Level Inputs • Thermal Protection • Low Impedance Protection

4-Channel Class A/B X Thunder Car Amplifier • 70W x 4 Chan @ 4 ohm • 105W x 4 Chan @ 2 ohm • 1260W Max • Speaker-Level Inputs • RCA Level Inputs • Thermal Protection • Low Impedance Protection

MTX TD75.4

400W 4-Channel TD Series Class A/B Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

400W 4-Channel TD Series Class A/B Car Amplifier

• 4 ohm: 75 watts x 4-Chan.
• 2 ohm: 100 watts x 4-Chan.
• Bridged, 4 Ohm: 200 x 2 chan.
• 4/3/2 channel operation

• 4 ohm: 75 watts x 4-Chan.
• 2 ohm: 100 watts x 4-Chan.
• Bridged, 4 Ohm: 200 x 2 chan.
• 4/3/2 channel operation

MTX Thunder Elite 404 (TE404)

4-Channel Thunder Elite Amplifier

Go to item page Right Arrow Icon of Right Arrow

4-Channel Thunder Elite Amplifier

Thunder Elite Series 4-Channel Class AB Car Amplifier • 65W x 4 chan. @ 4 ohm • 100W x 4 chan. @ 2 ohm • 800W Max • Semi Unregulated MOSFET • 4/3/2/1 channel operation • Overload and thermal protection

Thunder Elite Series 4-Channel Class AB Car Amplifier • 65W x 4 chan. @ 4 ohm • 100W x 4 chan. @ 2 ohm • 800W Max • Semi Unregulated MOSFET • 4/3/2/1 channel operation • Overload and thermal protection

Go to item page Right Arrow Icon of Right Arrow

150 watts RMS x 2 bridged • front and rear variable high-pass/low-pass crossovers • up to 8 volt input capability • independent gain control • preamp outputs

150 watts RMS x 2 bridged • front and rear variable high-pass/low-pass crossovers • up to 8 volt input capability • independent gain control • preamp outputs

MTX Audio Thunder Marine TM904

4-Channel Amplifier for Marine Use

Go to item page Right Arrow Icon of Right Arrow

4-Channel Amplifier for Marine Use

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

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

Go to item page Right Arrow Icon of Right Arrow

120 watts RMS x 2 • selectable front and rear crossovers • preamp outputs • speaker level inputs with Smart Engage

120 watts RMS x 2 • selectable front and rear crossovers • preamp outputs • speaker level inputs with Smart Engage

MTX Thunder Elite 1004 (TE1004)

1900W Max, 4-Channel Thunder Elite Amplifier

Go to item page Right Arrow Icon of Right Arrow

1900W Max, 4-Channel Thunder Elite Amplifier

Thunder Elite Series 4-Channel Class AB Car Amplifier • 125W x 4 chan. @ 4 ohm • 225W x 4 chan. @ 2 ohm • 1900W Max • Semi Unregulated MOSFET • 4/3/2/1 channel operation • Overload and thermal protection

Thunder Elite Series 4-Channel Class AB Car Amplifier • 125W x 4 chan. @ 4 ohm • 225W x 4 chan. @ 2 ohm • 1900W Max • Semi Unregulated MOSFET • 4/3/2/1 channel operation • Overload and thermal protection

Go to item page Right Arrow Icon of Right Arrow

50 watts RMS x 4 + 200 watts RMS x 1 at 2 ohm • front and rear high-pass crossovers • low-pass crossover for subwoofer • variable Bass Boost

50 watts RMS x 4 + 200 watts RMS x 1 at 2 ohm • front and rear high-pass crossovers • low-pass crossover for subwoofer • variable Bass Boost

Items per page: 20 40 60

    Clear all

    MTX 4-Channel Amplifiers Information

    A 4 channel car amplifier from MTX will provide your vehicle with the power it requires. These amps can operate four channels and MTX is a leader in amplification solutions. Power your speakers with an MTX 4-channel amplifier for a great all-around sound.
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2024 Ford Escape

    1987 Buick Skyhawk

    2014 BMW 535d xDrive

    1996 Ford Thunderbird

    1987 Ford E Series

    1994 Mazda B3000

    2005 Honda Element

    2016 Subaru Outback

    2022 Cadillac XT6

    1999 Isuzu Oasis

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.