Kicker 51LX5004 LX Series 4-Channel 225W RMS x 4 at 2 Ohm, Class-D Full Range Car Amplifier with LX Control Center Included
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What's Inside?
- • 4-Channel amplifier
- • LXCC Control Center with attached 39" cord (terminated in an RJ-45 connector)
- • LXRC Remote bass control with attached mounting bracket
- • 19.5' Remote bass control cable (terminated in RJ-45 connectors on both ends)
- • 10" Speaker-level input harness
- • (4) 1-3/8" screws
- • (2) 3/8" screws
- • 3mm Allen key
- • Power chart
- • Power certificate
- • Owner's Manual
Why Choose Kicker 51LX5004 4-Channel Amplifier?
Ultimate Control and Performance with LX Control Center
Experience ultimate control and performance with the LX Control Center (LXCC), offering real-time diagnostics for battery voltage, LED output clipping, amp temperature, and protection status, all powered by a Class-D design that ensures longer playtimes and cooler temperatures.
Crystal-Clear Sound with FIT+™ Technology
Achieve perfect sound with Gain-Match LEDs, personalize your look with a reversible center panel and 11 RGB LED color options, and enjoy crystal-clear audio with FIT+™ Technology that eliminates noise.
Reliable Performance with Comprehensive Protections
The Kicker 51LX5004 delivers rock-solid reliability on the road thanks to its integrated multi-stage thermal, circuit, and voltage stability defenses. This comprehensive protective network continuously shields your gear from unexpected electrical fluctuations, under-voltage drops, and over-voltage spikes.
Frequently Asked Questions (FAQ)
- • Can this amplifier power both my front and rear speakers?
Yes, a four-channel amplifier is designed to drive front and rear speakers independently. Proper tuning helps each speaker perform at its full potential.
- • What crossover settings work best for running speakers and tweeters together?
For a typical setup, front channels are often high-passed around 80-100Hz while a passive crossover network handles the mid/tweeter split.
- • Can I bridge the channels to power a subwoofer instead of speakers?
This usually indicates overheating, incorrect speaker impedance, or a wiring issue. Check the ground connection, speaker wiring, and ventilation before continuing to use it.
- • Can I bridge two channels to run a subwoofer?
Yes, this amp can be bridged to run two channels together as a stereo pair for larger speakers or a subwoofer, effectively converting it into a 2-channel amp.
- • Why do my speakers distort when I turn the volume up?
Improper gain settings or amplifier clipping are the most common causes. Correctly setting the gain helps deliver cleaner sound while protecting your speakers.
- • What size power wire should I install?
The correct wire gauge depends on the amplifier's current requirements and cable length. Using the recommended wire size improves efficiency and system reliability.
- • Why does the amplifier get warm during normal operation?
Generating heat is normal, especially when driving multiple speakers at higher volumes. Mounting it in a well-ventilated area helps maintain safe operating temperatures.
- • Why do I hear engine noise through my speakers?
Alternator whine is often caused by poor grounding or signal cables routed next to power wires. Improving the ground and rerouting the cables usually eliminates the interference.
- • Can I install this amplifier myself?
Yes, experienced DIY installers can complete the installation using the proper wiring kit and basic tools. Following the installation guide carefully helps ensure safe and reliable operation.
- • Can this amp run both my door speakers and a small subwoofer at once?
Yes, many owners run two channels to front speakers and bridge the remaining two channels to power a single subwoofer for a simple two-in-one setup. This works well as long as the subwoofer's impedance matches the amp's bridged output requirements.
- Number of Channels : 4
- Frequency Response : 20-20000 Hz
- Amplifier Class : D
Features:
- LX Control Center (LXCC): Includes diagnostic readouts to monitor battery voltage, LED output clip indication, amp temperature, and protection status in real-time
- Class-D Design: Low current draw for longer playtimes and cooler temperatures
- Gain-Match LEDs: Quickly find the perfect gain setting for optimal sound
- Customizable Appearance: Reversible center panel with 11 RGB LED accent color options
- FIT+™ Technology: Accepts low- and high-level signals up to 40V, with differential inputs to eliminate unwanted noise for crystal-clear sound
- Comprehensive Protections: Thermal, circuit, and voltage stability protections for reliable performance
- Precision Control: Adjust gain trim, left-channel time delay, and selectable crossover type, slope, and frequency; offers HP, LP, or BP crossovers for all full-range channels
Specifications:
- Power (@14.4V, <1%THD+N) 4Ω Stereo 125W x 4
- Power (@14.4V, <1%THD+N) 2Ω Stereo 225W x 4
- Power (@14.4V, <1%THD+N) 4Ω Bridged 450W x 2
- Dynamic Power (@14.4V, <10%THD+N) 4Ω Bridged 1100W
- Lowest Rated Impedance 2Ω Stereo / 4Ω Bridged
- Signal to Noise Ratio (CEA) 1W >-75dB
- Signal to Noise Ratio Rated Power >-95dB
- Channel Separation (Rated Power) 1000Hz >55dB
- CMRR 1000Hz -40dB
- Input Impedance >20kΩ
- Frequency Response 20Hz - 20kHz
- Variable HiPass Filter (Amp 1 & 2) 12/18/24BW 12/24LR 20Hz - 5kHz
- Variable LoPass Filter (Amp 1 & 2) 12/18/24BW 12/24LR 40Hz - 5kHz
- Variable BandPass Filter (Amp 1 & 2) 12/18/24BW 12/24LR 20Hz - 5kHz
- Standby Current (Remote Off) <2mA
- Idle Current (Remote On) <3A
- Current Draw (Rated Power) <80A
- Low Level Input Sensitivity 125mV - 5V
- High Level Input Sensitivity 1V - 40V
- Under Voltage Protection 6.5V (warning at 10.5V)
- Over Voltage Protection 16.5V (warning at 16V)
- Active Thermal Management >75°C
- UPC: 713034020301
- Weight: 7.4
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.
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