SUBWOOFERS
Shop car audio subwoofers for daily driver systems, sound-quality builds, high-output SPL systems, competition setups, and complete car audio upgrades. Browse 6.5-inch, 8-inch, 10-inch, 12-inch, 15-inch, and 18-inch subwoofers across a wide range of power levels, voice-coil configurations, enclosure types, and system goals.
Whether you are upgrading factory bass, building a sealed or ported enclosure, adding deep low-frequency output, or designing a competition-level system, the right car subwoofer delivers the output, power handling, durability, and sound quality needed to maximize system performance.
Explore high-performance subwoofers from Down4Sound, Sundown Audio, DC Audio, Incriminator Audio, and other leading car audio brands.
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SUNDOWN AUDIO | M SERIES 8" SUBWOOFER | 800W RMS | 2 OHM
SUNDOWN AUDIO
MSRP: £14,539.39£6,057.98The Sundown Audio M-8 is the big brother to the SA-8 v.3 model. Both the coil diameter and winding width are increased in comparison, resulting in higher power handling and more linear x-max. It features a Mid-Q which results in excellent vented and...SW-M8D2MSRP: £14,539.39£6,057.98 -
SUNDOWN AUDIO | M SERIES 8" SUBWOOFER | 800W RMS | 4 OHM
SUNDOWN AUDIO
MSRP: £14,539.39£6,057.98The Sundown Audio M-8 is the big brother to the SA-8 v.3 model. Both the coil diameter and winding width are increased in comparison, resulting in higher power handling and more linear x-max. It features a Mid-Q which results in excellent vented and...SW-M8D4MSRP: £14,539.39£6,057.98Qty in Cart: 0Quantity:Price:MSRP: £14,539.39£6,057.98Subtotal: -
DOWN4SOUND | DVX 10" SUBWOOFER | 1700W RMS | D4
DOWN4SOUND
MSRP: £14,539.21£7,269.61The DOWN4SOUND DVX-10 D4 is engineered for listeners who demand tight, authoritative, and durable low-frequency performance in a more compact footprint. Built with a high-strength motor structure, extended mechanical throw, and a rigid carbon fiber...DVX10D4MSRP: £14,539.21£7,269.61 -
DOWN4SOUND | DVX 10" SUBWOOFER | 1700W RMS | D2
DOWN4SOUND
MSRP: £14,539.21£7,269.61The DOWN4SOUND DVX-10 D2 is engineered for listeners who demand tight, authoritative, and durable low-frequency performance in a compact 10-inch platform. Designed around a high-strength motor, extended linear excursion, and a rigid carbon fiber dustcap,...DVX10D2MSRP: £14,539.21£7,269.61 -
SUNDOWN AUDIO | XV4 18 INCH SUBWOOFER D2 | 3000W RMS SUBWOOFER
SUNDOWN AUDIO
£16,443.38The Sundown Xv4 18″ Subwoofer delivers unmatched power and control for serious bass enthusiasts. Built with high-grade X v.4 coils, this subwoofer is designed to handle up to 3000W RMS and 6000W peak power, ensuring maximum...SW-XV418D2£16,443.38 -
SUNDOWN AUDIO | XV4 18 INCH SUBWOOFER D1 | 3000W RMS SUBWOOFER
SUNDOWN AUDIO
£16,443.38The Sundown Xv4 18″ Subwoofer delivers unmatched power and control for serious bass enthusiasts. Built with high-grade X v.4 coils, this subwoofer is designed to handle up to 3000W RMS and 6000W peak power, ensuring maximum...SW-XV418D1£16,443.38 -
SUNDOWN AUDIO | XV4 15 INCH SUBWOOFER D2 | 3000W RMS SUBWOOFER
SUNDOWN AUDIO
£14,712.48The Sundown Audio XV4 15″ Subwoofer delivers the ultimate low-frequency experience for serious bass lovers. Built with the advanced X v.4 coil design, this subwoofer offers extreme power handling and consistent performance under...SW-XV415D2£14,712.48Qty in Cart: 0Quantity:Price:£14,712.48Subtotal: -
SUNDOWN AUDIO | XV4 15 INCH SUBWOOFER D1 | 3000W RMS SUBWOOFER
SUNDOWN AUDIO
£14,712.48The Sundown Audio XV4 15″ Subwoofer delivers the ultimate low-frequency experience for serious bass lovers. Built with the advanced X v.4 coil design, this subwoofer offers extreme power handling and consistent performance under...SW-XV415D1£14,712.48Qty in Cart: 0Quantity:Price:£14,712.48Subtotal: -
SUNDOWN AUDIO | XV4 12 INCH SUBWOOFER D2 | 3000W RMS SUBWOOFER
SUNDOWN AUDIO
£13,847.03The Sundown Audio Xv4 12" Subwoofer is built for those who demand real power and precision in their sound system. Designed with premium Xv4 coils, this subwoofer delivers a massive 3000W RMS and 6000W peak power while...SW-XV412D2£13,847.03 -
SUNDOWN AUDIO | XV4 12 INCH SUBWOOFER D1 | 3000W RMS SUBWOOFER
SUNDOWN AUDIO
£13,847.03The Sundown Audio Xv4 12" Subwoofer is built for those who demand real power and precision in their sound system. Designed with premium Xv4 coils, this subwoofer delivers a massive 3000W RMS and 6000W peak power while...SW-XV412D1£13,847.03Qty in Cart: 0Quantity:Price:£13,847.03Subtotal: -
SUNDOWN AUDIO | XV4 10 INCH SUBWOOFER D2 | 3000W RMS SUBWOOFER
SUNDOWN AUDIO
£12,981.58The Sundown Audio 10" 3000W XV4 Subwoofer is engineered for true bass lovers who demand precision and power. Designed with advanced X v.4 coil technology, this subwoofer pushes boundaries with exceptional low-frequency performance and high...SW-XV410D2£12,981.58 -
SUNDOWN AUDIO | XV4 10 INCH SUBWOOFER D1 | 3000W RMS SUBWOOFER
SUNDOWN AUDIO
£12,981.58The Sundown Audio 10" 3000W XV4 Subwoofer is engineered for true bass lovers who demand precision and power. Designed with advanced X v.4 coil technology, this subwoofer pushes boundaries with exceptional low-frequency performance and high...SW-XV410D1£12,981.58