Kicker 49L7X181 SoloX L7X Series 18" 2000W RMS (4000W Peak Power Handling) 1 Ohm, Dual Voice Coil Component Car Subwoofer
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What's Inside?
- • 18" SoloX L7X Series Dual Voice Coil Component Car Subwoofer
- • (2) Kicker Decals
- • Template on box lid
- • Owner's Manual
Why Choose Kicker 49L7X181 Component Car Subwoofer?
KICKER’s Ultimate Subwoofer
Experience the legend for yourself KICKER has pushed the limits of innovation to create the ultimate subwoofer, combining decades of competition dominance and relentless engineering to bring you unparalleled power, precision, and performance.
Innovative Features for Ultimate Power
With KICKER’s innovative features like the Field-Replaceable Recone Kit, Forced-Air Cooling™, and a durable dual-spider suspension, our subwoofers deliver unmatched performance, cooling, and longevity, giving you power and precision without compromise.
Engineered for Unmatched Durability and Performance
Built for ultimate durability and performance, KICKER's subwoofers feature a Double-Pressed Pulp Cone, Heavy-Duty UV-Resistant Santoprene Surround, Custom Rubber Magnet Boot, and a Cast-Aluminum Basket, ensuring strength, protection, and reliable power for the long haul.
Frequently Asked Questions (FAQ)
- • How do I hook up thick competition-grade speaker wire to the unique terminal setup?
The motor housing features primary spring-loaded clips designed for 8 AWG wire alongside a secondary dual terminal block specifically grouped for jumping links. This allows you to slide heavy-gauge wire directly into the inputs for flawless series or parallel configurations without splitting strands.
- • Can I use this in both sealed and ported enclosures?
Yes. It is designed to work in either enclosure type when built to the recommended internal volume and port specifications.
- • Why does my amplifier go into protection mode when the bass drops?
This commonly happens because of an impedance mismatch, loose wiring, or inadequate electrical power. Check the final speaker load and inspect all power, ground, and speaker connections.
- • Can I connect this to my factory radio?
Yes. You'll need an external amplifier, and many factory audio systems also require a line output converter for proper signal integration.
- • Why does the bass become distorted when I increase the volume?
Distortion is typically caused by amplifier clipping or gain settings that are too high. Proper crossover and gain adjustments will improve sound quality and help protect the subwoofer.
- • Does it need a break-in period before it performs its best?
Yes. Moderate-volume playback for several hours allows the suspension to loosen naturally and improves overall bass response.
- • Why is my vehicle rattling more than the bass itself?
Loose trim panels, license plates, rear hatch components, or enclosure hardware are common sources of vibration. Securing these parts and adding sound-deadening material can greatly reduce unwanted noise.
- • Can I power this with an amplifier rated above its RMS power?
Yes. A properly tuned amplifier with clean output is generally safer than an underpowered amplifier driven into clipping.
- • Why does the cone move but produce almost no low-frequency output?
This often indicates reversed speaker polarity, incorrect crossover settings, or an air leak in the enclosure. Inspect the wiring and enclosure before assuming the subwoofer has failed.
- • Why am I hearing a faint mechanical clicking sound coming from the backplate area at extreme volumes?
A clicking sound usually means the speaker is experiencing extreme mechanical over-excursion, causing the voice coil former to bottom out against the deep bumper. To fix this, adjust the subsonic filter on your amplifier to 28Hz to prevent the driver from unloading below the box's tuned frequency limits.
- Diameter : 18 Inch
- Impedance : 1 Ohm
- Frequency Response : 18-100 Hz
- Peak Power Handling : 4000 Watts
- Number of Voice Coils : Dual
- RMS Power Handling : 2000 Watts
Features:
- Field-Replaceable Recone Kit: cone/voice coil/spider assembly, no gluing required
- Forced-Air Cooling: helps the subwoofer run cooler and last longer
- Three-inch, Aluminum Voice Coil Former: for high-performance handling
- Dual-Spider Suspension: ensures stability and durability
- Double-Pressed Pulp Cone: designed for strength and optimal performance
- Heavy-Duty UV-Resistant Santoprene Surround: ultra-durable and long-lasting
- Custom Rubber Magnet Boot: for added protection and cooling
- Cast-Aluminum Basket: provides structural support and strength
- Single 8 AWG Terminal and Dual 8 AWG Terminal Block: for easy wiring and maximum power transfer
- Triple-Stacked Ferrite Magnet: creates a linear magnetic field and efficient heat dissipation
- KICKER’s Square Cone Tech: with ribbed corners for continuous force and air movement
Specifications:
- Size: 18 in (46 cm) (approx.)
- Rated Impedance: 1 Ohm
- Recommended Amplifier Power: 1000-2000 Watts RMS
- Frequency Response: 18-100 Hz
- Magnet Diameter: 8-11/16 in (22 cm)
- Total Magnet Weight: 406 oz (11.5 kg)
- Voice Coil Diameter: 3 in (75 mm)
- Voice Coil Winding Width: 2.5 in (62.5 mm)
- Top Plate Thickness: 0.5 in (13 mm)
- Xmax: 1.25 in (31.25 mm)
- Recommended Vented Box Volume: 7.5 ft³ (214.5 L)
- Port Opening: 6.5 x 19.5 in (16.5 x 49.5 cm)
- Port Length: 27.75 in (70.5 cm)
- Vented Enclosure Tuning Frequency: 28 Hz
- UPC: 713034038788
- Weight: 72.9
- 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.
