【KICKER KSC504｜10cm coaxial speakers suitable for direct OEM replacement】

The sound from the factory speakers is muffled.
The vocals feel a little far away.
I want to enjoy my music more, but I don’t want to do major modifications.

If that sounds like you, KICKER KSC504 is an easy option to consider.

Despite being a 10cm-class coaxial speaker, it’s a model where you can readily feel changes in sound definition and information content when replacing your OEM speakers. Vocals and instrument sounds become more organized, making music easier to hear even at lower volumes.

Whether you’re commuting or running errands—short drives can quickly change the impression of your usual songs. Even for long listening sessions, it’s a speaker that’s easier to set up in a way that avoids excessively harsh treble.

Sound changes you can expect from the KSC504

The KSC504 uses polypropylene for the woofer and rubber for the surround/edge, making it easy to reproduce sound naturally from the midrange down to the bass foundation. The high frequencies are handled by a silk dome tweeter, which naturally brings out the contours of vocals and instruments.

When you replace the factory speakers, you may notice changes such as the following:

• Less muffling in the sound
• Vocals become easier to make out
• Instrument contours become clearer
• Less difficulty listening when you turn the volume up
• Even at low volume, you can feel the music coming together

Of course, your actual impressions will vary depending on your vehicle model, the OEM audio system, and the mounting location. It’s important to choose not only based on the speaker’s standalone performance, but also by considering how it will sound inside the cabin.

Slim design that’s easier to consider even for vehicles with limited mounting space

The KSC504 has a shallow mounting depth and a slim design with minimal tweeter protrusion.

When swapping speakers, even if the size appears to fit, mounting depth and surrounding space can become an issue. You may need to check the vehicle side for interference with window glass or door trim, and how well it fits with the OEM grille, among other things.

The KSC504 is designed to be easier to consider for such limited spaces, but whether it can be installed and what parts are needed will differ by vehicle. The surest way is to judge while looking at an actual vehicle—whether it can fit neatly without forcing it into the OEM position.

Speaker sound also changes depending on how they’re installed

Speakers won’t produce the exact same sound just because you replace them.

If there are gaps on the mounting surface or the installation feels unstable, it can be difficult to take full advantage of the speaker’s intended sound. It’s important to align the installation method, surrounding treatments, and how you bundle wiring to the mounting conditions on the vehicle.

At LogOn, even when installing a KICKER KSC504, we don’t simply replace only the speaker. We also check the door and dashboard-area structure for each vehicle, and how it pairs with the OEM head unit.

If it were me, rather than making the system bigger than necessary from the start, I would first整理 what you want to change about your current sound, and then consider how the KSC504 can help. Let’s decide on a direction together, including installation method and deadening if needed, and even future system upgrades.

Who the KICKER KSC504 is a good fit for

• You find the sound from the OEM speakers thin
• The sound is muffled and vocals are hard to hear
• You want to choose a speaker whose treble isn’t too harsh
• You want to replace using the OEM positions
• You’re worried about whether there will be enough mounting space
• You want to start with a speaker replacement first
• You want to enjoy changes in sound without overspending

The KICKER KSC504 is a model that makes it easier to consider the balance between size and sound for anyone who wants to feel a change in sound through a direct OEM replacement.

However, depending on the vehicle, mounting parts, whether modification is required, and compatibility with the OEM audio will vary. Even at the stage of “Will it fit my car?” or “How much will it probably change?” that’s fine. We’ll guide you with a practical, no-stress approach while confirming the vehicle’s condition and how you normally listen.

■ Main specifications / specs

【Basic Information】
Product name: KSC504
Brand: KICKER
Type: 10cm coaxial speaker

【Performance】
Recommended input: 15–75W
Tweeter: Silk dome
Woofer material: Polypropylene
Surround/edge: Rubber

【Installation / Compatibility】
Mounting depth: Less than 2 inches
Tweeter protrusion: Less than 1mm
Feature: Slim design
Compatibility: Design that works for many vehicle models
Compatible grille: KSC5G grille

※ Because mounting conditions differ by vehicle, we will provide details on actual compatibility and any required parts after confirming your vehicle.