KJS Downtown

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 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 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.

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

🔊 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