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CT Sounds

CT Sounds CT-80.4D Full-Range Class D 4 Channel Car Audio Amplifier, 480 Watts RMS

  • Based on 294 reviews
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Availability: In Stock.
Fulfilled by Amazon
Arrives Monday, May 11
Order within 16 hours and 51 minutes
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Features

  • 4-Channel Car Amplifier with High Voltage, Low Voltage, Over Current, and High-Temperature Protection Circuitry
  • RMS Power @ 2 Ohm: 125 Watts x 4-Ch (14.4v)
  • RMS Power @ 4 Ohm: 80 Watts x 4-Ch (14.4v)
  • RMS Power @ 4 Ohm (Bridged): 250 Watts x 2-Ch (14.4v)
  • Dimensions: 7.87" x 5.63" x 2.19"

Description

The CT Sounds CT-80.4D is a compact full-range class d 4-channel car amplifier. The 4-ch car audio amplifier features a Low Pass Filter (LPF), High Pass Filter (HPF), and Bass Boost so you can get the exact sound you are looking for out of your amplifier.

Item dimensions L x W x H: 11.41 x 5.62 x 2.18 inches


Voltage: 14.4 Volts


Manufacturer: CT Sounds


Maximum Supply Voltage: 14.4 Volts


Minimum Supply Voltage: 14 Volts (DC)


Voltage: 14.4 Volts


Maximum Supply Voltage: 14.4 Volts


Minimum Supply Voltage: 14 Volts (DC)


Mounting Type: Surface Mount


Number of Channels: 4


Operating Temperature: 85 Degrees Celsius


Output Power: 480 Watts


Package Type Name: box" or "padded envelope


Supply Current: 70 Amps


Item Dimensions: 11.41 x 5.62 x 2.18 inches


Material Type: Aluminum


Specification Met: 14.4 Volts


Manufacturer: CT Sounds


Model: CT-80-4D


Brand Name: CT Sounds


UPC: 769055241850


Part Number: CT-80-4D


Item Weight: 5.2 Pounds


Item Width: 5.63 Inches


Item Length: 11.41 Inches


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, May 11

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • High quality, great price
Bought this after receiving a faulty Recoil amp. This one worked right away. Set the gain and it sounds great, especially considering the price. Definitely a fan of CT sounds now with their price to quality ratio
Reviewed in the United States on April 16, 2026 by Jacob
    • Excellent amp when you have limited space
Review Image by Bn3888
The Amp powers 4 infinity speakers in a 2 door 04 Silverado Limited space and mounted on top of the sub box fits perfectly. Also put sub amp on the bass box and its a perfect fit. This amp replaced a Kenwood same wattage and This amp blows the Kenwood away. I was impressed day one and still impressed today. ... show more
Reviewed in the United States on January 21, 2025 by Bn3888
    • Impressed - Performs well
I am using this on a 9 speaker system for a man cave powering it with a 50A 12v power supply. Speakers are inexpensive 8” Pyle 50w RMS 250w peak ceiling speakers . They are wired so that 6.5 ohms is the impedance at the amp. I personally would never run 2 ohms or less on any amp, despite it’s claim to support it. I prefer 6 to 8 ohms. Amp will run nice and cool and will last forever. If not loud enough, I get a bigger amp! I don’t overdrive the MOSFETS by dropping the load impedance. I chose this one for the low and high pass filters built in. They work very well. I have two channels feeding 8 mid/high speakers, and the other two bridged to run a 12 in sub (dual coil wired for 8 ohms). At 50% gain it gets plenty loud, sounds real clean and barely gets warm. Totally rocks the man cave. I am pleased with it so far. ... show more
Reviewed in the United States on March 1, 2022 by Dave
    • Only good for frying eggs!🍳
I’ve done quite a few car audio installs in my life, so I understand how to match specs like wattage and ohms. I’ve matched this amp perfectly with the true RMS wattage values. No bridging channels or anything actually complicated, just four channels at 4 ohms, 80 watts RMS per channel on full pass, gains less than half w/no clipping. During the setting of gains and crossovers I noticed that it was getting hot but I didn’t run it for more than a couple of songs straight. So I guess to make a long story short, this amp overheated the first time it was at a decent enjoyable volume for a half an hour. I then switched it to high pass frequency thinking it would put a lot less strain on it, but the same results. This amp is a huge disappointment. Only good for frying eggs! ... show more
Reviewed in the United States on March 14, 2025 by Steven
    • Great
very easy to install didn't need any instructions
Reviewed in the United States on February 11, 2026 by Tyler R
    • it overheats every now and again.
I don't have this version. I don't know why it's listed like this. I got the A/B version. it overheats every now and again. I assume that is not so much a problem. I have the monoblock 400.1d and it never let's me down.
Reviewed in the United States on May 3, 2026 by Sugbo Pedro
    • Great Overall Sound and Powerful Little Amp
Review Image by Spencer Ohe
Review Image by Spencer Ohe
Overall I really like this amp. I bought it because it was one of the only four Channel amps with a decent RMS power rating and small form factor. However after installing it, my main complaint is how flimsy and crappy the high level input wires are! I mean there are literally like five or six strands of copper and very delicate to work with. Plus they are made of computer ribbon cable and the wire markings are all completely different so you have to go by what the plug lines up to you with the pins on the amp and take your time wiring it. The gain seems to be really sensitive and I am only running mine about a quarter of the way up. Oh and the second main complaint is that yes this is Amp does get HOT! I have mine mounted under the passenger seat with another subwoofer amp, but I get constant air flow from the under seat air vents. I'm living in Arizona so my AC is always on in the car anyhow and keeps the amps that a reasonable temperature. All in all I don't regret the purchase, but only time will tell to see how it holds up. ... show more
Reviewed in the United States on May 15, 2022 by Spencer Ohe
    • Amazing sound quality
Pretty compact little amp so it's easy to mount . It's a class A/B amp so sound quality is outstanding, but you get a little more heat with this kind of topology. Overall the build quality and sound quality are both equally amazing
Reviewed in the United States on October 16, 2022 by david crosby

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