How to Upgrade Your 2020 Cadillac CT4 Sound System

Need a boost to your 2020 Cadillac CT4 sound system? Start by upgrading your speakers, then consider adding a subwoofer and amplifier.
Written by Abbey Orzech
Reviewed by Claire Beaney
The first three trims of the 2020 Cadillac CT4 come with an eight-speaker stereo while the highest trim upgrades to a 14-speaker audio system. If you want to upgrade even further, consider swapping out the factory speakers and installing an amplifier. 
Cadillacs are known and loved for their distinct style and dynamic driving experience. They have evolved over the years but one thing remains constant—Cadillac is luxury. And with all that luxury, many would expect a high level of satisfaction across the board, but sometimes, not every feature lives up. Including the audio system.  
If the sound system in your 2020 Cadillac CT4 is not reaching your preferred audio quality for your music or podcasts or audiobooks, it may be time to make some upgrades. And here with some solid sound system upgrade options is
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What kind of sound system does a 2020 Cadillac CT4 have?

Depending on the 2020 Cadillac CT4 trim level you’re rolling with, you could have one of two sound systems:
  • Luxury, Premium Luxury, and Sport: eight speakers
  • CT4-V: 14 speakers
In the Luxury, Premium Luxury, and Sport CT4 trims, a premium eight-speaker audio system comes standard. Opt for the top trim CT4-V, though, and you’ll see a significant upgrade to a 14-speaker premium Bose stereo system.
Each trim has Bluetooth capabilities, USB ports, satellite radio, HD radio, and Apple CarPlay and Android Auto compatibility, and while your speakers won’t likely be noticeably bolstered by the type of connection you’re using, you’ll certainly have your choice of media. 
If you’re bumping along with the 14-speaker Bose system, you might be quite satisfied with your listening experience. The eight-speaker sound system may indeed leave something to be desired though. 
Whatever your reason is for wanting to swap out your audio system, check out the aftermarket options below for some upgrade ideas. 

How to upgrade a 2020 Cadillac CT4 sound system

What you’ll need to upgrade your Cadillac CT4 audio system will vary a bit depending on the trim level you have, but generally speaking, the best way to upgrade your sound system is with new speakers, an amplifier, and a subwoofer

Start with speaker upgrades

Upgrading your factory speakers should be your first step in adding some extra oomph to your car’s audio system. But be warned! A new set of car speakers is not exactly inexpensive. You’ll be dealing with electrical wiring and other technical components that can easily be messed up with unpracticed hands, so it may be wise to hire a professional to install them for you. 
There are also different kinds of speaker sets that you’ll need to decide between. Some aftermarket speakers are designed to just replace your front speakers, while some may come with a complete set to swap them all out. 
Here are some popular aftermarket stereo speaker upgrades for the 2020 Cadillac CT4:

Pump up the bass with a subwoofer

Adding a subwoofer to your car’s high-quality audio system can significantly boost your sound. Subwoofers are most commonly installed in the trunk or under the seat, and you’ll get the clearest sounds by facing the speaker cone up or towards the trunk, and the most bass-heavy experience when you face the subwoofer down. 
If you’re in the market for a new subwoofer for your 2020 Cadillac CT4 sound system, you could ride incredible reviews and several size options all the way to the KICKER brand. You can choose from the
KICKER CompC eight-inch 4-ohm subwoofer
, the
KICKER CompC ten-inch 4-ohm subwoofer
, or the
KICKER CompR 12-inch 2-ohm subwoofer
Another highly rated option is the
Kenwood Road Series 12-inch 4-ohm subwoofer
for sensitive sound pick-up and authoritative bass. 

What’s the difference between a 4-ohm subwoofer and a 2-ohm sub? 

How do you know if you’ll want a 4-ohm or 2-ohm subwoofer? It will depend on the kind of sound enhancement you’re after! The 2-ohm sub will offer louder, punchier audio, while 4-ohm subs give you a clearer, deeper sound

Boost the power with an amplifier

New speakers and a subwoofer can certainly up the ante on your 2020 Cadillac CT4 stereo, but nothing will give the entire sound system a boost like an amplifier. 
Amplifiers bring a new level of power to your stereo system and will work best with a high-quality subwoofer addition. But even if you haven’t upgraded your factory speakers or installed a subwoofer, a high-quality amplifier can make all the difference. Check out options like the
Rockford Fosgate P500X1BD Punch 500 Watt
amplifier to get the tunes bumping.

How to protect your 2020 Cadillac CT4 sound system—and save on insurance!

Upgrading your CT4 sound system can increase your satisfaction with your car ownership and make your commutes much more bearable—but it can also increase your insurance premium. When you install an aftermarket part in your vehicle, like a new sound system, your insurance policy is not likely to cover it since it’s not original equipment.
Upgrading your
Cadillac car insurance costs
will raise your rates, but it doesn’t have to mean your rates have to stay pricey! That’s where
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The 2020 Cadillac CT4 first three trim levels—Luxury, Premium Luxury, and Sport—have eight speakers. In the top trim, CT4-V, there are speakers.
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