Sundown Audio NS-Series NS6 Version 6 18" 3000W RMS 1 Ohm Subwoofer

Built for extreme SPL and durability, the Sundown Audio NS-Series NS6 Version 6 is an 18" subwoofer rated at 3,000-Watt RMS. It combines advanced cooling and suspension design with high-excursion capability for serious car audio applications. Key features: 3,000-Watt RMS power handling; Dual 2 ohm voice coils; Optional carbon cone/dustcap available; Custom tooled basket; Custom-tooled ultra-linear spider packs; Extended shorting ring; Eight-layer voice coil; Custom tooled basket; Cast aluminum cooling ring; Ultra-linear spider pack; Unique air exchanging system forces hot air out and cool air in; Aluminum vent ring; Ultra-linear Mega Roll V2 surround. Mechanical & electrical specifications: RE (Ohms): 3.6629; FS (Hz): 28.3677; VAS (L): 82.9318; Qes: 0.4948; Qms: 5.1127; Qts: 0.4511; Le (mH): 3.3898; BL (NA): 30.4106; Mms (Grams): 700.8333; Cms (uM/N): 44.9135; Sens (dB @ 1w/1m): 87.5755; Xmax: 35mm. Enclosure recommendation: Sealed Enclosure: Not Recommended. Ported Enclosure: 7 cu.ft. net. Recommended Tuning: 32Hz. Recommended Port Area: 100 sq.in. Displacement: .27 cu. ft. Physical dimensions: Depth: 16.30". Outside Diameter: 18.62". Cut-Out: 16.69".