The Hifonics HFX10D4 is a powerful 10-inch subwoofer designed to enhance your car audio system with deep, impactful bass. With a dual 4-ohm voice coil design, it offers flexible wiring options for easy integration into various setups. Whether you’re upgrading your system or starting fresh, this 2 pack of subwoofer speakers delivers impressive low-frequency response with clarity and precision.
With 400 watts peak power and 200 watts RMS, these 10-inch speakers produce rich, controlled bass. Their heavy-gauge, powder-coated steel basket minimizes vibrations, while the pressure-treated foam surround and poly-cotton spider ensure smooth cone movement and reduced distortion. A vented aluminum former and back venting system efficiently dissipate heat, allowing for consistent, high-performance sound.
Designed for versatile installation, the car component subwoofer fits sealed and vented enclosures, providing either tight or booming bass. Its 4.94-inch mounting depth accommodates various vehicle types, while spade-style terminals allow secure wiring. With an 86dB sensitivity rating, this car audio subwoofer efficiently converts power into sound without overloading your amp.
For those seeking a powerful yet reliable upgrade, the Hifonics HFX10D4 is a solid choice. Built for performance and durability, it transforms your car’s sound system, making every drive a dynamic listening experience.
- Subwoofer delivers up to 400W peak power and 200W RMS, providing rich, controlled bass for a dynamic car audio experience in any vehicle
- Spade-style speaker terminals are quick and easy to install
- Compatible with various setups, including powersports vehicles for added versatility and customization
- Designed for longevity and distortion-free performance featuring a unique heavy-gauge, powder-coated steel basket, pressure-treated foam surround, and poly-cotton spider
- 10-inch sub has a 4.94-inch mounting depth and a 9.21-inch cutout diameter
- Ideal for small sealed or medium to large vented enclosures
- Voice coil: DVC 4 Ohm High Temp KSV
- Surround: 1”-inch NBR Reinforced Rubber Surround
- Magnet: Large Air Cooled Magnet Assembly
- Spider design: Integrated One-Piece Poly Cotton Spider
- Cone/Dust cap design: Injected Poly Light Rigid Cone / Poly Light Dust Cap
- Back plate: Heat Dispersing, Ported
- Basket material: Ultra Ridged Chrome Stamped Steel Basket
- Motor cover: High Strength ABS
- Sensitivity: 86 dB
- Mounting depth: 4.94″
- Color: Black
- Dimensions (L x W x H): 10.09 x 10.09 x 4.94 inches
- Weight: 6.1 pounds
- Manufacturer warranty: 1-year warranty
- Quantity: 2
Questions? We’ve Got Answers.
Helpful answers about product features, setup, and more
What is the build material of the subwoofer?
The subwoofer is constructed from steel. This material choice supports everyday use while maintaining the structural integrity needed for the product’s intended applications.
How big is the subwoofer?
The subwoofer measures 10.09 x 10.09 x 4.94 inches (length x width x height). Use these measurements to plan mounting, placement, or transport for your setup.
What is the subwoofer used for?
The subwoofer is used for live sound, DJ setups, home audio, or event production, depending on configuration. It connects with a typical audio chain — source, mixer or controller, and amplification — to produce sound for the intended environment.
Is there a warranty on the subwoofer?
Yes. The subwoofer is backed by 1-year manufacturer warranty. Coverage details and claim procedures are provided by the manufacturer; retain your order receipt as proof of purchase if you ever need to file a claim.
What is the best way to maintain the subwoofer?
Wipe with a damp cloth and dry thoroughly to prevent rust. For powder-coated finishes, avoid abrasive cleaners that may scratch the coating. Regular light cleaning extends the lifespan of the subwoofer and keeps it looking and performing well over time.
Who makes the subwoofer?
The subwoofer is made by Hifonics. Hifonics produces this item as part of its lineup, and product details such as specifications, included accessories, and warranty terms are set by the brand.


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