【Upgrade from KICKER KSC3504 to KSC404｜Dashboard Speaker Upgrade】

After replacing the dashboard speakers, the sound’s contours have become clearer.

Even so, you may still feel:

“ I want a bit more body in the sound”
“ I want to hear vocals more naturally”
“ I want to enjoy music properly without turning the volume up”

That’s where the upgrade from KICKER KSC3504 to KSC404 comes in and is worth considering.

From 7.5cm to 10cm. A size-up that makes it easier to aim for more sound body

The size changes from 7.5cm on the KSC3504 to 10cm on the KSC404.

With this difference, you can more easily bring out the core of the sound and the thickness in the mid-bass range, aiming for vocals, guitars, pianos, etc. to feel less thin.

It’s not just an image of emphasizing only the brightness of the treble—more like giving the whole sound a little extra room.

Even with the music you usually listen to, the presence of the vocals and the overlap of instruments become easier to hear. It’s an upgrade that makes changes noticeable even in everyday situations like commuting or city driving.

Of course, how the sound is perceived varies depending on the vehicle’s factory system, the installation condition, and your preferred volume and music genres. Some people prefer the lively, bright character of the KSC3504, while others feel that the KSC404’s thickness and sense of scale make it easier to enjoy music.

It’s important to consider installation method as well

Dashboard speakers are places where impressions can vary easily depending on the installation method, even when using the same product.

Not only the speaker’s body size, but also:

• Installation space specific to each vehicle model
• How to connect to the factory speakers
• How well it fits around the surrounding area
• Mounting/fixing method
• Balance with the factory audio

…need to be checked, and the work should be finished in a reasonable, non-forced way.

Whether the 10cm KSC404 can be installed as-is, or whether you’ll need to consider modifications and the installation method, will vary by vehicle model and specifications. Since judging without seeing the actual vehicle could lead to a mismatch with the real finishing and the work involved, we confirm compatibility and installation methods in advance.

Also check compatibility with the factory navigation and existing systems

When you replace speakers, it doesn’t mean every car will sound change in the same way.

Depending on outputs from the factory navigation and factory amplifier, the way they connect with other speakers, and the current balance of your sound, the way you can bring out the strengths of the KSC404 will differ.

At LogOn, we don’t guide you by thinking about only the speakers as standalone items. We help you after confirming the vehicle model, your current audio setup, the music you often listen to, and how loud you usually play.

If I were advising, I would first listen to your current sound and organize what you feel is missing. Whether you want to add more body, push vocals forward, or change the soundstage affects the approach to installation and adjustment even with the same KSC404.

For those considering an upgrade from KSC3504

If your dissatisfaction isn’t necessarily with the KSC3504 sound itself, but instead you want:

• More body in the sound
• To make vocals feel less thin
• To enjoy music even at a smaller volume
• To increase the presence of the dashboard side
• To think about the next step after replacing the speakers

…then a switch to the KSC404 is a candidate.

That said, a size-up isn’t necessarily the right answer for every vehicle. Depending on your current sound conditions and vehicle-side factors, another approach may fit better.

Since you’re taking the time to replace the speakers, you’ll want to consider not only whether it will fit, but also whether you’ll be able to listen comfortably after installation.

If you’re considering replacing the KICKER KSC3504 with the KSC404, let’s decide the direction together while confirming your vehicle model and current audio configuration.

Main specifications / specs

【Basic Information】
Product name: KICKER KSC3504
Type: Dashboard speaker
Size: 7.5cm

Product name: KICKER KSC404
Type: Dashboard speaker
Size: 10cm

【Upgrade details】
Before replacement: KICKER KSC3504
After replacement: KICKER KSC404
Main change: Speaker size change (from 7.5cm to 10cm)

【Installation / Compatibility】
Installation feasibility / modification details: We will guide you after confirming the vehicle model, factory specifications, and available installation space.