




Focal SUB 25 KXS
K2 Power Series 10" 4-ohm shallow-mount component subwoofer
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Focal SUB 25 KXS: 10" Elite K2 Power Subwoofer – Precision Bass with High Output
The Focal SUB 25 KXS is a 10-inch high-performance subwoofer from Focal’s Elite K2 Power series, engineered for audiophiles and car audio enthusiasts who demand powerful, accurate, and distortion-free bass. Designed with K2 aramid fiber cone technology, an ultra-rigid aluminum chassis, and a high-excursion rubber surround, this subwoofer delivers deep, impactful bass with precise control and high power handling.
Whether you’re upgrading your vehicle’s low-end response or designing a custom high-performance bass system, the SUB 25 KXS ensures exceptional low-frequency reproduction, fast transients, and superior durability.
Key Features
Feature | Details |
---|---|
Subwoofer Size | 10-inch (25 cm) high-performance subwoofer |
Cone Material | K2 Aramid fiber composite for precision bass and durability |
Surround | High-excursion rubber surround for extended cone travel and impact |
Chassis | Heavy-duty cast aluminum basket to reduce unwanted vibrations |
Power Handling | 600W RMS / 1200W Peak – supports strong and controlled bass |
Voice Coil | Dual 4-ohm configuration for flexible amplifier compatibility |
Frequency Response | 30Hz – 500Hz for deep, musical bass reproduction |
Cooling | Optimized motor and venting design for better thermal management |
Installation Compatibility | Fits sealed, ported, or custom enclosures |
Recommended Amplifier | Monoblock amp rated between 600W – 1200W RMS at 2Ω or 4Ω |
What’s in the Box
1 x Focal SUB 25 KXS 10-Inch Subwoofer |
Mounting Hardware & Gasket |
User Manual & Installation Guide |
Technical Specifications
Spec | Value |
---|---|
Subwoofer Size | 10 inches (25 cm) |
Cone Material | K2 Aramid Fiber |
Surround | High-excursion rubber |
Power Handling (RMS/Peak) | 600W / 1200W |
Voice Coil Configuration | Dual 4-ohm |
Frequency Response | 30Hz – 500Hz |
Basket Material | Cast Aluminum |
Mounting Depth | Compact depth for versatile enclosure fit |
Enclosure Type | Compatible with sealed and ported designs |
Frequently Asked Questions (FAQ)
Q: How does the Focal SUB 25 KXS compare to the SUB 25 KXE? | A: The SUB 25 KXS features an upgraded motor structure, enhanced cooling, and suspension system for better output and long-term durability in demanding setups. |
Q: What amplifier should I use with the SUB 25 KXS? | A: A monoblock amplifier rated between 600W and 1200W RMS at 2Ω or 4Ω is ideal for optimal power and performance. |
Q: Can this subwoofer be used in a sealed or ported enclosure? | A: Yes, the SUB 25 KXS is compatible with both sealed and ported enclosures, allowing you to tune the bass response based on your listening preferences. |
Q: What is the benefit of a dual 4-ohm voice coil subwoofer? | A: It provides more flexibility in wiring configurations — you can wire it for 2Ω, 8Ω, or pair with another sub to optimize your amplifier’s output. |
Q: How deep is the mounting depth of the SUB 25 KXS? | A: The SUB 25 KXS has a compact mounting depth compatible with a wide variety of enclosures and vehicle-specific applications. |

FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.