Focal SUB 25 KXS: 10" Elite K2 Power Subwoofer – Precision Bass with High Output

Introduction

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.

K2 Aramid Fiber Cone for Deep, Accurate Bass

The SUB 25 KXS features Focal’s advanced K2 aramid fiber cone, a lightweight yet rigid material that provides exceptional bass precision, powerful output, and reduced distortion, even at high SPL levels.

• K2 Aramid Fiber Composite Cone – Ensures rigid yet lightweight construction for impactful bass response.
• Optimized Low-Frequency Performance – Produces tight, distortion-free bass with deep extension.
• Superior Cone Damping – Reduces unwanted resonance for a clean, controlled sound.

High-Excursion Surround for Maximum SPL

The high-excursion rubber surround of the SUB 25 KXS allows for increased cone movement, providing greater output and extended low-frequency performance while maintaining tight, accurate bass.

• Extended Cone Travel – Maximizes low-frequency output and depth.
• Durable Rubber Surround – Enhances longevity and prevents deformation under high power loads.
• Low-Distortion Bass Reproduction – Maintains clarity and accuracy at all volume levels.

Ultra-Rigid Chassis for Stability and Durability

Built with a heavy-duty cast aluminum frame, the SUB 25 KXS offers maximum rigidity and minimal resonance, ensuring clean bass reproduction and high-power handling.

• Cast Aluminum Basket – Provides stability and reduces unwanted vibrations.
• Optimized Cooling System – Enhances thermal management for sustained high-output performance.
• Efficient Motor Design – Delivers fast and precise bass with excellent transient response.

Powerful Performance & High Power Handling

Designed for high-output performance, the SUB 25 KXS can handle significant power levels while maintaining precision and depth, making it ideal for both SQ (Sound Quality) and SPL (Sound Pressure Level) setups.

• Power Handling: 600W RMS / 1200W Peak – Delivers strong, dynamic bass output.
• Dual 4-Ohm Voice Coil Configuration – Allows for multiple wiring options to optimize amplifier compatibility.
• Wide Frequency Response (30Hz - 500Hz) – Ensures deep, clean bass that integrates seamlessly into any system.

Effortless Installation & Versatile Compatibility

The Focal SUB 25 KXS is designed for flexibility, making it compatible with sealed, ported, and custom enclosures, allowing users to fine-tune bass response based on personal preferences.

• Standard 10-Inch Size – Compatible with a variety of enclosures.
• Versatile Mounting Options – Works well in sealed or ported boxes for different bass characteristics.
• Optimized for Aftermarket Amplifiers – Performs best when paired with a high-quality monoblock amplifier.

What’s in the Box?

• One Focal SUB 25 KXS 10-Inch Subwoofer
• Mounting Hardware & Gasket
• User Manual & Installation Guide

Key Features

• 10-Inch K2 Aramid Fiber Cone – Delivers deep, precise bass with excellent transient response.
• High-Excursion Rubber Surround – Allows maximum cone movement for impactful bass.
• Heavy-Duty Cast Aluminum Chassis – Enhances stability and reduces unwanted resonance.
• 600W RMS / 1200W Peak Power Handling – Supports high-powered setups for distortion-free low frequencies.
• Dual 4-Ohm Voice Coil Design – Provides wiring flexibility for different amplifier configurations.
• Wide Frequency Range (30Hz - 500Hz) – Captures deep, musical bass with exceptional accuracy.
• Sealed & Ported Enclosure Compatibility – Adapts to various listening preferences and vehicle types.

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 enhanced motor structure, optimized suspension, and improved thermal cooling, making it ideal for high-output applications while maintaining precision and control.

Q: What amplifier should I use with the SUB 25 KXS?
A: A monoblock amplifier rated between 600W and 1200W RMS at 2 or 4 ohms is recommended for maximum performance and efficiency.

Q: Can this subwoofer be used in a sealed or ported enclosure?
A: Yes, the SUB 25 KXS is designed for both sealed and ported enclosures, allowing for different bass characteristics based on user preference.

Q: What is the benefit of a dual 4-ohm voice coil subwoofer?
A: A dual 4-ohm configuration provides more wiring options, allowing users to optimize impedance settings for amplifier compatibility and maximum output.

Q: How deep is the mounting depth of the SUB 25 KXS?
A: The compact mounting depth ensures compatibility with a wide range of enclosure designs, making it a great choice for various vehicle applications.