Kicker LX500.4 4-Channel Amplifier - 51LX5004
51LX5004
Literature
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).

From the Ground Up
- 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+™ technology, accepting low- and high-level signals up to 40V, with full differential inputs created 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 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
- Cable Length – integrated 3.28 feet (1m), directly into amp
| Specifications | |
|---|---|
| RMS Power [Watts/Channel] @ 14.4V | 2Ω Stereo: 225 x 4 4Ω Stereo: 125 x 4 4Ω Bridged: 450 x 2 |
| Dynamic Power [Watts] | 1100 |
| Frequency Response [Hz] | 20–20k |
| Signal-to-Noise Ratio(a-weighted, re rated power) | >95dB |
| Signal-to-Noise Ratio(ref 1W output) | >75dB |
| 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/oct Butterworth; 12 or 24dB/oct Linkwitz-Riley |
| KickEQ+™ | Not applicable for LX500.4 (no sub channel) |
| Warranty | When purchased from an Authorized KICKER Dealer or kicker.com, 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. Complete warranty information here. |