15 inch crossfire bmf with custom ported box

BMF Subwoofer Series from Crossfire. these subwoofers feature a co-polymer cone and stitched rubber surround, increasing the rigidity and optimum performance of the subwoofers. Ranging from 600 watts RMS, the subwoofers will produce deep,clean hitting bass in any vehicle. The "FIT" dual voice coil impedance selector will allow for instant series or parallel voice-coil configuration when wiring dual voice coils. This will allow quick and easy wiring installation when dealing with either the dual 2 or dual 4 ohm versions. Spring loaded compression input terminals will create a secure and reliable connection each and every single time. Designed to work in either sealed or ported enclosures, perfect for those seeking sound quality or sound pressure level. These high-end, high-quality BMF series subwoofers function like a premium subwoofer at an affordable price. 15" Dual 2 Ohm BMF Series Car Subwoofer Power Handling: Peak: 1200 watts RMS: 600 watts Impedance: 2 Ohms Co-polymer cone material Stitched rubber surround Proprietary chrome aluminum cast frame Flexible Impedance Technology (FIT) Dual Voice Coil (DVC) impedance selector Chromed signature etched back plate Chrome plated extended/vented back plate Compression nickel-plated sprig loaded input terminals Designed for both vented and sealed enclosures 2-1/2" 4 Layer Dual 2 Ohm Kapton voice coil Dual 85 oz. ceramic stacked magnet structure Frequency response: 20-250 Hz Sensitivity: 86 dB Xmax: 14mmm Mounting depth: 7-1/2" Cutout dimensions: 13-3/4"