Diameter: 10-inches. Poly Cone: Rubber Surround Sound N-Power RMS: 100-Watts Peak Power: 1000-Watts Nominal Impedance: 4 + 4 ohms Voice Coil: ASV 35.55mm Magnet MASS: 29.2-oz. (828g). Pair of 2 Nakamichi 10” 100w Nakamichi subwoofers!!
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