The Dayton Audio Ultimax II 18” DVC subwoofer features a carbon fibre cone and dual 2Ω voice coils. It offers high SPL, ultra-low bass extension, minimal distortion, and performs well even in small sealed enclosures as small as 4 cubic feet. It is a powerful choice for home theatre and car audio systems.

The powerful Dayton Audio Ultimax II 18" subwoofer has a carbon fibre cone and dual 2Ω voice coils. It delivers a powerful bass response that can handle up to 900W RMS and 1800W peak power, making it an ideal choice for home theatre setups and car audio systems. The subwoofer features a rigid cast aluminium frame, dual spiders, a 3" flat wound voice coil, dual shorting rings, extensive venting, and an FEA-optimised motor. It delivers high SPL, ultra-low bass extension, and minimal distortion. The UMII18-22 is versatile, capable of performing in small sealed enclosures as small as 4 cubic feet and offering impressive sound pressure levels even down to 20Hz or even lower.

• Features large aluminium shorting cap and sleeve for minimal distortion.
• Rigid, lightweight woven carbon fibre cone for quick, detailed response.
• ±28 mm xmax for powerful bass response.
• Equipped with a 4-layer 3” flat-wound voice coil that can handle up to 1200Wrms.
• Extensive venting for efficient heat dissipation and power compression minimisation.
• Dual spiders maintain cone linearity at high excursion levels.
• Optimised for compact sealed enclosures but capable of low-frequency extension in vented designs.