

"Fit perfectly and worked exactly as expected — support was excellent."
JL Audio HD-RLC
Upgrade Your Vehicle With Confidence. This Is Built to Fit, Perform, and Last
Elevate your car audio experience with the JL Audio HD-RLC Remote Level Control Knob. Engineered to deliver precise control over your amplifier's output, this high-quality accessory ensures perfectly balanced audio. Whether commuting or enjoying a road trip, the JL Audio HD-RLC gives you the flexibility to fine-tune your sound directly from the driver’s seat.
| Accessory Type | Remote Level Control Knob |
|---|---|
| Control Range | Varies with amplifier model |
| Key Features | Remote amplifier level control, user-friendly knob, compact size, plug-and-play installation |
| Design Features | Compact and discreet, dashboard-friendly, intuitive interface |
| Integration Features | Seamless integration with JL Audio amplifiers, simple setup with included wiring, enhanced audio precision |
| Durability Features | Rugged construction, high-quality components, protection against environmental stress |
| Compatible Amplifiers | JL Audio HD900/5, HD600/4, HD750/1, HD1200/1, Slash v3 Series, XD Series |
| Dimensions | Compact design for easy dashboard integration |
| Compatibility | Designed specifically for JL Audio HD, Slash v3, and XD amplifiers |
| What's in the Box |
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- Ships within 1–3 business days from our warehouse
- Tracking included with every order
- Free 30-day returns if it doesn’t work for your setup
- 2-year manufacturer warranty
- Authorized dealer guarantee
- Real installer-backed support before and after purchase

Why This Upgrade Makes Daily Driving Better
Ease of Use & Safety
Expandable by Design
FITMENT & INSTALLATION MADE SIMPLE
WHAT VEHICLES IT WORKS WITH
We verify compatibility before you buy, no guesswork.
DIY FRIENDLY IF:
- You're comfortable with basic tools
- You follow provided instructions
PROFESSIONAL INSTALL RECOMMENDED IF:
- Your vehicle requires dash kits or wiring adapters
- You want a turnkey experience
INSTALLATION CREDIT & SUPPORT:
- $75 Installation Credit when purchased online
- Speak to real installers before you buy
- Bring it into one of our locations for install
Why Buying This Here Is Safer Than Anywhere Else
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Verified Vehicle Fit
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Installer Support
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Authorized Products
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Easy Returns
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Physical stores & real installers
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FREQUENTLY ASKED QUESTIONS
FREQUENTLY ASKED QUESTIONS
How do I know this stereo or speaker will fit my car?
Select your year, make, and model using the Vehicle Fit Guide at the top of the page. You’ll only see products that are compatible with your exact vehicle setup.
What happens if I order something that doesn’t fit?
You can return or exchange it within 30 days. We’ll help you identify the correct part for your vehicle so you don’t have to guess again.
Are these products brand new and covered by warranty?
Yes — all products are brand new, authentic, and sold as an authorized dealer, which means they include a full manufacturer warranty.
Can you install this for me, or do I need to do it myself?
You can do either. Install it yourself, or use your $75 installation credit at our shop and have it professionally installed by our team.
What if I don’t know what to choose for my car?
Tell us your vehicle and what you want to improve (sound, bass, CarPlay, etc.). We’ll recommend the exact products that fit your car and your budget.
