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Kicker LX500.4 4-Channel Amplifier, top-front
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Kicker LX500.4 4-Channel Amplifier (51LX5004)

$599.99
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Kicker LX500.4 4-Channel Amplifier (51LX5004)
Product Details
Brand: Kicker
Amplifier Channels: 4

Kicker LX500.4 4-Channel Amplifier

The Kicker LX-Series is a perfect marriage of SQL design and high-powered output, utilizing feedback from the industry to deliver the most requested features while maintaining the highest performance possible. All multi-channel amplifiers are bridgeable and come with a wired control center (LXCC).

Features

The LX-Series represents Kicker’s high-power premium amplifier line designed in-house from the ground up. Precision control, next-level flexibility, designed for performance, built to last.

  • Incrementally dial in entire system with the included LX Control Center
  • Class-D design for lower current draw, longer playing times, and lower operating temperatures
  • Gain-match LEDs show you perfect gain setting
  • Customize the appearance with reversible center panel and choice of 11 RGB LED accent colors
  • Equipped with FIT+â„¢ technology, accepting low- and high-level signals up to 40V, with differential inputs designed to eliminate unwanted noise for crystal-clear sound
  • LX features choice of turn-on modes and comprehensive protections for thermal, circuit, and voltage stability, ensuring reliable performance

Comes with the Kicker LX CONTROL CENTER (LXCC)

  • Diagnostic Readouts: Monitor battery voltage, LED output clip indication, amp temperature, and protection status in real time
  • Precision Control: Adjust gain trim, left-channel time delay, and selectable crossover type, slope, and frequency. Allows for both HP, LP or BP crossovers for all full-range channels
  • Parametric Bass Boost: 0-6dB with adjustable center frequency and Q for the sub channel
  • Cable Length – integrated 3.28 feet (1m), directly into amp
  • Learn More: Read the Kicker LX Control Center PDF here

Specifications

LX500.4 white paper, see file below

RMS Power [Watts/Channel] at 14.4V

Amp 1 & Amp 2 (Stereo Channels):
2 Ohm Stereo: 225 x 4
4 Ohm Stereo: 125 x 4
4 Ohm Bridged: 450 x 2

Dynamic Power [Watts]: 1100

Frequency Response [Hz]: 20–20k

Signal-to-Noise Ratio(a-weighted, re: rated power): >95 dB

Signal-to-Noise Ratio(ref: 1W output): >75 dB

Dimensions [in, cm]: Height: 2-3/8 (6 cm) Width: 8-7/16 (21.4 cm)Length: 9-7/16 (24 cm)

Input Sensitivity: High level 1V–40V;Low level 125mV–5V

Variable Electronic Crossover

24dB/octave Linkwitz-Riley.Each channel pair:Off/HP/LP/BP;HP: 20–5kHz LP: 40–5kHz

Selectable topology:12, 18, or 24dB/octave Butterworth;12 or 24dB/octave Linkwitz-Riley

KickEQ+â„¢ (Sub Channel): Not applicable for LX500.4 (no sub channel)

Warranty

Kicker warrants this product to be free from defects in material and workmanship under normal use for a period of two (2) years from date of original purchase.


Due to continual development, product and specifications are subject to change without notice. Stillwater Designs and its agents are not responsible for typographical errors.

(RMS = Root Mean Square, measure of continuous power in audio devices)

Manufacturer’s Documents

WHITE PAPER for Kicker LX500.4 Amp

MANUAL for Kicker LX500.4 Amp

INFO SHEET on the Kicker LX Control Center

catb r27.6.26 / PMAP 2026.8

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