🔊 JL Audio VX400/4i Car Amplifier: Compact Precision, Supreme Control 🎛️
If you're building a high-end car audio setup and want pristine sound without bulky equipment, the JL Audio VX400/4i is your dream solution. This four-channel car amplifier offers exceptional audio clarity, digital control, and compact performance in one precision-engineered unit.
Designed with audiophiles and serious installers in mind, the VX400/4i brings DSP flexibility and NexD2™ technology to your ride. Whether you’re upgrading speakers or powering an active front stage, this amp delivers clean, controlled output you can shape with incredible accuracy.
💥 Power and Performance in One Compact Body
Don’t let the size fool you. The VX400/4i may be compact, but it’s incredibly capable. It provides clean, consistent power without drawing excessive current or generating heat.
Power Output Ratings:
This car amplifier can efficiently power component speakers, coaxials, or midbass drivers with excellent control and detail.
🎚️ Full DSP Control Built In
The standout feature of the VX400/4i is the integrated Digital Signal Processing (DSP). With JL Audio’s TüN™ Software, you have precise control over every speaker channel.
DSP Capabilities:
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10-band parametric EQ per channel
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High- and low-pass filters
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Time alignment for accurate imaging
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Input/output mixing and routing
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Saveable user presets
The TüN™ software works with your PC, tablet, or smartphone, letting you make on-the-fly adjustments and store different sound profiles.
🧠 Smart Integration with Any Setup
The VX400/4i is designed to work seamlessly with factory and aftermarket head units. Its high-level input capability means you can retain your factory stereo and still achieve elite sound.
It also includes optical digital input support for ultra-clean signals when used with compatible sources. No matter your system setup, this amplifier fits in.
Check out our full car amplifier selection for more performance options.
🔥 Cool, Efficient, and Built to Last
JL Audio’s NexD2™ Class D technology helps the VX400/4i maintain thermal control and efficient performance. This means you can enjoy distortion-free sound without overheating—even at higher volumes and for extended playtime.
The aluminum chassis enhances cooling, and the internal protection circuits guard against voltage fluctuations and short circuits.
🧩 Perfect Match for High-End Speakers
If you’re running premium component speakers or want an ultra-clean front stage, this amp is ideal. The VX400/4i’s clean power and advanced signal tuning bring out the full range and clarity of any speaker system.
Pair it with your favorite 2-way or 3-way setups for rich highs, balanced mids, and punchy lows.
🚘 Upgrade Your Ride’s Look, Too
While upgrading your sound, don’t forget to enhance your vehicle’s style and comfort. Automotive window tinting improves privacy, reduces heat, and protects your interior. It’s the perfect complement to a professional-grade audio upgrade.
🔧 Why Choose the JL Audio VX400/4i?
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Clean, controlled output for 4-channel systems
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Built-in DSP with app-based tuning
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Compact size, big performance
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Works with factory or aftermarket radios
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Efficient NexD2™ technology for cool, reliable operation
Whether you're building a new system or refining an existing one, this car amplifier delivers premium sound and user-friendly control.
📍 Talk to the Audio Jam Team
Need help choosing speakers or configuring your DSP? The Audio Jam team is ready. We offer expert guidance, professional installation, and full system tuning. Let us make your car sound better than ever.
Visit our shop in Delaware or call us today to get started!
❓ Frequently Asked Questions
Q1: Can I use the VX400/4i with my factory head unit?
Yes. It supports high-level inputs and integrates seamlessly with factory systems.
Q2: What kind of speakers work best with this amp?
High-quality component or coaxial speakers rated around 75-100W RMS are ideal.
Q3: Is the DSP difficult to use?
Not at all. JL Audio’s TüN™ software is intuitive and available for PC, tablet, or smartphone.
