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  1. Home
  2. Massive Audio Store
  3. Discontinued Massive Audio Car Audio & Electronics
  4. Discontinued Massive Audio Car Amplifiers
  5. Discontinued Massive Audio 4-Channel Amplifiers

Discontinued Massive Audio 4-Channel Amplifiers

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

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Speaker Size
Refers to the size of the speaker measured in inches. Every vehicle has standard application sizes. Please use our vehicle fitment guide for your vehicle's specific speaker sizes if you do not know them.
Speaker Size (Rear)

Refers to the size of the speaker.

Every vehicle has standard application sizes. Please contact us for your vehicle's specific speaker sizes if you do not know them.

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You are currently viewing discontinued products.

50% Off Two Pair of Massive Audio 6x9" Speakers + JBL4-Channel Amplifier

Massive Audio DX69S 460W 6" x 9" 2-Way DX Series Coaxial Car Speakers + JBL GX-A604 435W 4-Channel GX Series Amplifier

2-DX69S_GX-A604 big DISCONTINUED
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50% Off Two Pair of Massive Audio 6x9" Speakers + JBL4-Channel Amplifier

Massive Audio DX69S 460W 6" x 9" 2-Way DX Series Coaxial Car Speakers + JBL GX-A604 435W 4-Channel GX Series Amplifier

• RMS Power: 60W x 4 @ 4 ohm
•Smooth 13mm Hard Dome Tweeters
•Laminated Paper Cones with Pressed Foam Surround
• 4 Ohm Impedance
• Sensitivity: 92.4 dB
• Frequency Response: 55 - 20,000 Hz
• High and Low Pass Filters
• Dimensions: 8-1/8" W x 11-13/16" L x 2-1/16" H

• RMS Power: 60W x 4 @ 4 ohm
•Smooth 13mm Hard Dome Tweeters
•Laminated Paper Cones with Pressed Foam Surround
• 4 Ohm Impedance
• Sensitivity: 92.4 dB
• Frequency Response: 55 - 20,000 Hz
• High and Low Pass Filters
• Dimensions: 8-1/8" W x 11-13/16" L x 2-1/16" H

50% Off Two Pair of Massive Audio 5-1/4" Slim Speakers + JBL4-Channel Amplifier

Massive Audio SX 5 II 5-1/4" 2-Way SX5 Slim Series Stage II Shallow Mount Coaxial Speakers + JBL GX-A604 435W 4-Channel GX Series Amplifier

2-SX 5 II_GX-A604 big DISCONTINUED
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50% Off Two Pair of Massive Audio 5-1/4" Slim Speakers + JBL4-Channel Amplifier

Massive Audio SX 5 II 5-1/4" 2-Way SX5 Slim Series Stage II Shallow Mount Coaxial Speakers + JBL GX-A604 435W 4-Channel GX Series Amplifier

• RMS Power: 60W x 4 @ 4 ohm
• Poly-mica cone woofer
• Butyl Rubber surround
• 3/4" Silk Nomax Tweeter
• Nomax Spider
• Affordable premium quality upgrade to your factory audio system
• High and Low Pass Filters
• Dimensions: 8-1/8" W x 11-13/16" L x 2-1/16" H

• RMS Power: 60W x 4 @ 4 ohm
• Poly-mica cone woofer
• Butyl Rubber surround
• 3/4" Silk Nomax Tweeter
• Nomax Spider
• Affordable premium quality upgrade to your factory audio system
• High and Low Pass Filters
• Dimensions: 8-1/8" W x 11-13/16" L x 2-1/16" H

 
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    Massive Audio 4-Channel Amplifiers Information

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

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