KFFKFF 8" 800W Undercarriage Vehicle Subwoofer, Thinly Designed Auto Subwoofers for Under the Seat Placement, Compact Sound Sub with Integrated Amplifier, High/Low Level Input & Volume Regulator

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Management number 254638839 Release Date 2026/11/07 List Price US$28.40 Model Number 254638839
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<div> <h3> <strong>Product Description</strong><br> </h3> <strong> <div>Experience the Immersive Power of Deep Bass</div> </strong> <div> <div>Enhance your car audio system with the KFFKFF 8" under-seat car subwoofer. Designed for car audio enthusiasts, this subwoofer delivers a powerful bass experience and crystal-clear sound, all while saving valuable space with its slim 3.0" profile. With its high/low level input and maximum output of 800W, this subwoofer takes your audio experience to the next level.</div> </div> </div> <div> <div> <strong> <div>Concealed Installation</div> </strong> <div> <div>This under seat subwoofer is the perfect solution for tight spaces, easily fitting under most car seats with its slim 3.0" thickness. The fixed support design elevates the subwoofer, reducing resonance with the car's chassis and ensuring distortion-free sound.</div> </div> <strong> <div>Immersive Sound Journey</div> </strong> <div> <div>Experience clear and pure sound even at high volumes with this car truck subwoofer. It effectively minimizes background noise, allowing you to enjoy high-fidelity surround sound on every road trip.</div> </div> <strong> <div>Deep, Powerful Bass</div> </strong> <div> <div>Designed for bass lovers, our slim 8" car subwoofer delivers a full-range audio experience with a frequency response of 50-150 Hz. Whether you're listening to R&amp;B, hip-hop, EDM, or rock, this subwoofer speaker brings intense rhythm and unmatched bass to your music.</div> </div> <strong> <div>Multiple Input Options</div> </strong> <div> <div>Seamlessly integrate this subwoofer with your audio system in any vehicle type, including cars, SUVs, trucks, and RVs. It offers compatibility with both high-end and simplified main units, allowing for impeccable matches using the RCA audio cable or high-level input cable.</div> </div> <strong> <div>Easy Installation</div> </strong> <div> <div>Installing this compact under seat car subwoofer is a breeze, whether you're a DIY enthusiast or a professional installer. The package includes a detailed user manual, all necessary cables, and hardware. For safety, remember to disconnect the negative battery terminal during installation.</div> </div> <strong> <div>Auto Power On</div> </strong> <div> <div>Activate the low profile subwoofer easily with a button on the control panel. It automatically powers on when it detects an input signal, ensuring a hassle-free experience.</div> </div> </div> </div> <div> <h3> <strong>Specifications</strong><br> </h3> <div>Item Model Number: YL-813</div> <div>Rated Voltage: DC 12 V</div> <div>Rated RMS Power: 400 W</div> <div>Peak RMS Power: 800 W</div> <div>Frequency Range: 50 - 150 Hz</div> <div>Signal-to-Noise Ratio: &gt; 90%</div> <div>Speaker Size: 8 in / 203 mm</div> <div>Control Mode: Wired Remote Control</div> <div>Main Materials: Aluminum Alloy, Magnet</div> <div>Product Weight: 8.6 lbs / 3.9 kg</div> <div>Product Dimensions: 12.7 x 9.3 x 3.0 inch / 322 x 235 x 75 mm</div> </div> <div> <h3> <strong>Package Content</strong><br> </h3> <div>1 x Subwoofer</div> <div>1 x DC Power Cord</div> <div>1 x Fuse</div> <div>1 x GND Cable</div> <div>1 x RCA Audio Cable</div> <div>1 x High to Low Level Converter</div> <div>1 x High Level Input Cable</div> <div>1 x ACC Device Connection Wire</div> <div>1 x Volume Controller</div> <div>4 x Self Tapping Screw</div> <div>8 x Philips Round Head Screw</div> <div>4 x Fix Support Bracket</div> <div>2 x Fork Cold-Pressed Terminal</div> <div>2 x Round Cold-Pressed Terminal</div> <div>4 x Insulation Sleeve</div> <div>1 x Quick Install Guide</div> <div>1 x User Manual</div> </div>

  • Slim and Compact: The KFFKFF 3.0-inch under seat car subwoofer is designed to fit seamlessly under your car seat, maximizing space while enhancing your car audio system. Experience deep, powerful bass and immersive sound quality, making every drive more enjoyable.
  • Stable with High Fidelity: With a rated power of 400W RMS and a peak power of 800W RMS, the KFFKFF 8" powered car audio subwoofer delivers a distortion rate below 0.4% and a signal-to-noise ratio greater than 90%. It ensures clear, accurate sound even at high volumes, minimizing background noise and preventing speaker damage for an immersive audio experience.
  • Powerful Bass Experience: Enjoy a wide frequency response range of 50-150 Hz, covering the essential low-frequency spectrum. This delivers a balanced and complete auditory experience from bass to treble. The sealed enclosure enhances music depth and impact, making it ideal for genres that require strong rhythms and bass support, such as R&B, hip-hop, electronic dance music, and rock.
  • Highly Compatible: The KFFKFF under seat car truck subwoofer offers multiple signal input options, supporting both low-level RCA inputs and high-level inputs. It also includes a high-to-low level converter, ensuring compatibility with a wide range of car audio systems, regardless of whether the main unit is equipped with RCA output.
  • Multiple Protections: The KFFKFF powered subwoofer for car truck is equipped with multiple built-in safety features, including overheat, short circuit, and fuse protection. These ensure reliable and long-lasting performance. The aluminum alloy shell enhances heat dissipation, preventing overheating and significantly extending the subwoofer's lifespan.
Rms power rating 400 W
Woofer size 8 in
Subwoofer type Subwoofer
Brand KFFKFF
Subwoofer enclosure type Sealed
Peak audio power handling 800 W
Freq range 50-150 Hz
Features Compact, Surround Sound, Built In Amplifier
Rec. use Car Audio, Truck, DIY
Car speaker size class 8"
Vehicle fitment type Universal
Compatibility Compatible with both high-end and simplified main units
Vehicle type Car, Truck, Sport Utility Vehicle, Recreational Vehicle
Pieces 1
Frame material Aluminum Alloy, Magnet
Accessories included DC Power Cord, Fuse, GND Cable, RCA Audio Cable, High to Low Level Converter, High Level Input Cable, ACC Device Connection Wire, Volume Controller, Self Tapping Screw, Philips Round Head Screw, Fix Support Bracket, Fork Cold-Pressed Terminal, Round Cold-Pressed Terminal, Insulation Sleeve, Quick Install Guide, User Manual
Items included Subwoofer, DC Power Cord, Fuse, GND Cable, RCA Audio Cable, High to Low Level Converter, High Level Input Cable, ACC Device Connection Wire, Volume Controller, Self Tapping Screw, Philips Round Head Screw, Fix Support Bracket, Fork Cold-Pressed Terminal, Round Cold-Pressed Terminal, Insulation Sleeve, Quick Install Guide, User Manual
Recommended location Under The Seat, Vehicle
Assembled product weight 9.92 lb
Color Multicolor
Speaker driver types Subwoofer
Model YL-813

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