$1,440.00
This item is available for special order
Made in France
Everything you need to know about the product
The FOCAL SUB 30 KXE is the ultimate 12″ subwoofer for audiophiles craving precision bass, high SPL, and exceptional sound quality. Handcrafted in France, this premium sub belongs to the fourth generation of Focal's K2 Power series, renowned for its unmatched performance and distinctive yellow aramid fibre cone.
Engineered for car audio systems that demand the best, the SUB 30 KXE offers power, durability, and acoustic excellence in every beat. With its double voice coil, ventilated aluminium frame, and progressive profile spider, this subwoofer delivers tight, dynamic bass with impressive control — even at high volumes.
The diaphragm is the key component of a loudspeaker and sits at the heart of Focal's acoustic engineers' research. Shape and materials are essential for high-fidelity reproduction. In 1986, Focal's teams unveiled an aramid fibre sandwich membrane, recognisable by its unique yellow colour. It has been extensively renewed over the years while retaining the characteristics that made it such a success. Today, it consists of an ultra-light foam core sandwiched between a layer of aramid fibre and a layer of glass fibre — combining the three key factors of a loudspeaker membrane: rigidity, lightness, and damping, for a precise, dynamic, and uncoloured sound.
Focal's engineers also innovate in all the components that make up their loudspeakers, including the surround that connects the diaphragm to the frame. Introduced in 2015, Tuned Mass Damper (TMD) technology with harmonic damping consists of the addition of finely positioned toroidal weights to stabilise the surround for even greater sonic neutrality. This technology enhances the midrange and addresses the erratic behaviour of the surround between 1 kHz and 2 kHz.
Discover what makes our products industry leaders.
Delivers Focal's legendary sound signature: high output, tight bass, and clear dynamics.
Flexible wiring, higher output, and better amplifier matching for maximum performance.
Enhances linearity and reduces distortion during cone excursion.
Durable and resilient for greater excursion and clean bass response.
Non-magnetic chassis optimised for structural integrity and heat dissipation.
Quick and secure installation with simplified wiring.
Improves thermal regulation, extending durability and handling high SPL.
800W RMS nominal power with a 1600W maximum for extreme SPL applications.
Covers 25 Hz to 500 Hz (+/- 3dB) for deep sub-bass and extended low-frequency performance.
Handcrafted in Focal's French workshops as part of the fourth-generation K2 Power series.
A deep dive into our industry-leading technology and high-performance standards.
The SUB 30 KXE handles 800W RMS nominal power with a maximum of 1600 watts.
It covers 25 Hz to 500 Hz (+/- 3dB), delivering deep sub-bass alongside extended low-frequency performance.
The SUB 30 KXE has a sensitivity of 86.5 dB.
The K2 cone is an ultra-light foam core sandwiched between aramid fibre and glass fibre layers, combining rigidity, lightness, and damping for precise, dynamic, and uncoloured sound.
It uses a high-efficiency ferrite motor with coil ventilation for sustained high SPL output and improved thermal management.
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