【KICKER LX500.4 4-Channel Power Amplifier｜Strengthen and fine-tune your system】

I want a bit more thickness and power in the sound of the factory audio. I replaced the speakers, but it still feels like I haven’t fully unlocked their true performance.

If that sounds like you, the KICKER LX500.4 4-channel power amplifier is worth considering.

It’s not an amp designed only to turn up the volume. A major feature is that it delivers stable power to the speakers while allowing you to precisely adjust the sound in your car. Changes are especially noticeable in the strength of vocals, the thickness of the sound, and the overall cohesion of the music. Even with songs you already listen to all the time, you may find yourself enjoying new details you used to overlook.

Adjustment functions designed with usability in mind

The LX500.4 includes a wired LX Control Center (LXCC).

Because you can check and adjust key settings such as gain, crossover, and the time delay for the left channel right from where you can reach, it’s a setup that makes it easier to fine-tune after installation. You can also monitor battery voltage, amplifier temperature, output clipping, protection status, and more in real time.

It also comes with an LX remote control (LXRC) that lets you adjust the bass right at hand. If you’d like to change the amount of bass depending on the music or your mood that day, this is a convenient accessory.

The amplifier supports KICKER’s proprietary SHOCwave 2.0™ bass correction as well. While補 completing the low-frequency information contained in the source, it enhances the system’s ability to express— including with a subwoofer. Depending on how you use it, you can not only make the bass stand out, but also tune it in a way that properly integrates with the front speakers.

Compatible with systems built on factory audio

The input section features FIT+™ technology and supports both low-level and high-level signals. Even in systems based on a factory navigation unit or factory audio, you can consider the best combination while confirming the specifications on the vehicle side.

Another key point is that it uses fully differential input to aim for clear signal transmission while suppressing unwanted noise. With a Class D design that considers power consumption and heat generation, it’s also a model that’s easier to consider when installing an amplifier in limited space inside the car.

However, even with the same amplifier, the final result will vary depending on how you supply power, how you handle wiring, how you pair it with your speakers, and the gain and crossover settings. If I were setting this up, I wouldn’t decide based only on the amplifier’s standalone specs—I’d look at the balance with your current speakers, subwoofer, and factory system to plan the configuration.

At LOGON, we organize it together by confirming the vehicle model, your current audio environment, the music you listen to often, and your volume preferences—then figure out where incorporating the LX500.4 is likely to produce the best effect. It’s not just “install and done.” We include the step of adjusting while actually listening in the car, so you end up with a system that’s easy to use and genuinely enjoyable to listen to.

Even at an early stage—like “What kind of sound will I get if I add an amplifier?” or “Does it make sense to pair it with my current speakers?”—that’s perfectly fine. Let’s think together about a realistic, no-stress configuration while taking your vehicle’s condition into account.

■ Main Specifications

【Basic Information】
Product name: LX500.4
Brand: KICKER
Type: 4-Channel Power Amplifier
Design: Class D
Bridge connection: Supported
Included accessories: LX Control Center (LXCC), LX Remote Control (LXRC)

【Input】
High-level input sensitivity: 1V to 40V
Low-level input sensitivity: 125mV to 5V
FIT+™ technology: Built-in
Fully differential input: Built-in

【Audio Performance】
Frequency response: 10 to 160Hz (+0/-1dB)
S/N ratio: 95dB or higher (A-weighted, at rated output)
S/N ratio: 75dB or higher (at 1W output)

【Crossover】
Low-pass filter: 40 to 160Hz
Slope: 24dB/oct
Type: Linkwitz-Riley
Variable subsonic filter: Built-in
High-pass filter: 10 to 80Hz
KickEQ+™ parametric base boost: 0 to 6dB
Center frequency: 20 to 80Hz
Bandwidth: 1 to 5

【Adjustment / Display Functions】
Gain adjustment
Left-channel time delay
Crossover type/slope/frequency adjustment
Output clipping display
Battery voltage display
Amplifier temperature display
Protection status display
RGB LED accent colors: 11 colors
Reversible center panel

【Protection Functions】
Thermal protection
Circuit protection
Voltage stability protection
Turn-on mode selection

【Dimensions】
Height: approx. 6cm
Width: approx. 21.4cm
Length: approx. 24cm

Shop owner　Komizo