KJS Downtown

KJS Downtown KJS Downtown specializes in cars and trucks—whether you’re buying, customizing, or upgrading your ride.

We also sell and professionally install premium car audio systems for the ultimate driving experience.”

Wanna get loud we got you!!!!!!
04/29/2026

Wanna get loud we got you!!!!!!

2002 Toyota 4Runner leaving louder than it came in 🔊This one got upgraded with:• Dual Concrete Audio C3 12s in custom en...
04/29/2026

2002 Toyota 4Runner leaving louder than it came in 🔊

This one got upgraded with:• Dual Concrete Audio C3 12s in custom enclosure• Concrete Audio 5000.1 SLM on bass• Concrete Audio 1200.4 powering mids & highs• Upgraded electrical and clean wiring throughout

Big bass, loud vocals, clean output — the KJS way. 💪

If you’re not running Concrete Audio, you’re just pretending to be loud.

Message KJS Downtown for custom car audio builds, bass packages and installs

🔥 Concrete Audio Sub + Amplifier Packages 🔥Add real bass to your ride with our Concrete Audio bass packages — complete w...
02/16/2026

🔥 Concrete Audio Sub + Amplifier Packages 🔥

Add real bass to your ride with our Concrete Audio bass packages — complete with subwoofer, enclosure, and amplifier.

✅ Starting at 400 watts RMS — and goes up from there
✅ Amplifier options included — matched for clean, reliable power
✅ Sub up / port back configuration for strong output and great daily performance
✅ Multiple setups available depending on how loud you want to get
✅ Professional install available

Whether you want a nice low-end upgrade or serious knock, we’ve got a package ready.

01/27/2026

Too cold for a distance test ❄️
But trust us… it’s LOUD 🔊
All Concrete Audio 💪
If you know, you know.

01/25/2026

Customer-submitted video 🔥
No tricks, just Concrete Audio speakers speaking for themselves.

At KJS Downtown, we’re all about top-tier sound with Concrete Audio as our house favorite. But we also know sometimes yo...
01/20/2026

At KJS Downtown, we’re all about top-tier sound with Concrete Audio as our house favorite. But we also know sometimes you’ve got that gear you love and trust. So, bring it in! As long as your equipment is in good working order, we’ll install it with the same care and attention to detail. Your ride, your sound—your choice. Let’s get you set up

01/04/2026

Customer said “turn it up”… so we did 🔥
Concrete Audio doing Concrete Audio things 💥

01/04/2026

Customer Submitted Clip
No filters. No exaggeration.
Just Concrete Audio performing exactly how it’s supposed to.

🔊 BIG POWER. SMALL FOOTPRINT. CLEAN OUTPUT. 🔊The CA2000.4 SLM proves you don’t need a giant amp to get serious performan...
12/31/2025

🔊 BIG POWER. SMALL FOOTPRINT. CLEAN OUTPUT. 🔊

The CA2000.4 SLM proves you don’t need a giant amp to get serious performance.
Compact design, efficient power, and clean sound that hits hard without taking up space.

Perfect for door speakers, mids & highs, or tight installs where space matters but output still counts.

💪 High power per channel
📦 Slim, space-saving footprint
🎶 Clean, controlled sound

Available now at KJS Downtown

12/31/2025

❤️ This is what it’s all about ❤️

Love when happy customers send videos of them enjoying their system after the install 🔊🔥
That’s how you know it was done right.

Installed on this vehicle:
• Rear doors: Concrete Audio CPA69CX
• Front doors: Concrete Audio CPA65CX V2
• Powered by: Concrete Audio CA2000.4 SLM
• All Concrete Audio OFC wiring

Clean power, clean sound, and real results — just how we build them at KJS Downtown.

Address

907 S State St
Jackson, MS
39201

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