DAYTON REFERENCE HO SUBWOOFER 8 ohm Overview Dayton Audio's Reference Series RSS315HFA-8 12" subwoofer utilizes the same low-distortion design as the rest of the series, but provides an 8 ohm alternative for increased connection and impedance-loading options. Highlights - Extensively vented motor eliminates power compression and allows quiet excursion - Lighter-weight black anodized aluminum cone minimizes moving mass - 2-layer coil for reduced back EMF - Triple shorting-ring motor for ultra-low distortion - Optimized for large enclosures - Highest quality materials throughout for long-lasting performance Dayton Audio RSS315HFA-8 12" Reference HF Subwoofer 8 Ohm The Dayton Audio Reference Series subwoofers take the quality and performance of the much acclaimed RS line into the subwoofer realm. As with the rest of the Reference Series, the main focus of the RSS315HFA-8 12" driver is ultra-low-distortion. Second, third, and intermodulation distortion are kept extremely low by utilizing three magnetic short-circuit paths within the motor structure. A durable aramid fiber spider and extensive venting throughout provide quiet and uniform excursion. The black anodized cone, rubber surround, and custom basket give this driver a unique, high-end look. Choose this High Fidelity (HF) version for home speaker systems when your priority is clean, low bass and you are not restricted by cabinet size.