Brand NEW! Including 90 Days USA Factory Warranty. Built for extreme performance in the smallest 10" subwoofer speaker enclosures, the Dayton Audio Reference Series RSS265HO-4 features an anodized aluminum cone, 4-layer voice coil, and optimized distortion-reducing magnet system. Key Features Extensively vented motor eliminates compression and allows quiet excursion Extra-thick black anodized aluminum cone for maximum rigidity Triple shorting ring motor for ultra-low distortion 4-layer coil for high power handling Optimized parameters for small enclosures Highest quality materials throughout for long-lasting performance As with the rest of the Reference Series, the main focus of the Dayton Audio RSS265HO-4 10" subwoofer is ultra-low-distortion. Second, third, and intermodulation distortion are kept extremely low by utilizing three 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 10" driver a unique, high-end look. Choose the high output version for automotive applications or for equalized high-power home subwoofer speaker systems. Product Specifications Nominal Diameter 10" Power Handling (RMS) 600 Watts Power Handling (MAX) 1200 Watts Impedance 4? Frequency Response 24 to 600Hz Sensitivity 87.2dB 2.83V/1m Voice Coil Diameter 2.52" Thiele-Small Parameters Resonant Frequency (Fs) 26.9Hz DC Resistance (Re) 3.5? Voice Coil Inductance (Le) 1.74mH Mechanical Q (Qms) 4.02 Electromagnetic Q (Qes) 0.39 Total Q (Qts) 0.35 Compliance Equivalent Volume (Vas) 1.04ft Mechanical Compliance of Suspension (Cms) 0.17mm/N BL Product (BL) 17.6T·m Diaphragm Mass Inc. Airload (Mms) 201g Maximum Linear Excursion (Xmax) 12.3mm Surface Area of Cone (Sd) 349.7cm Materials of Construction Cone Material Aluminum Surround Material Rubber Voice Coil Wire Material Copper Voice Coil Former Aluminum Basket / Frame Material Cast Aluminum Magnet Material Ferrite Mounting Information Overall Outside Diameter 10.47" Baffle Cutout Diameter 9.25" Depth 5.37" # Mounting Holes 6 Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion) Sealed Volume 0.3ft Sealed F3 60Hz Vented Volume 0.5ft Vented F3 36Hz - All international buyers are responsible for all tax, duties and/or customs fees.