Sky High Car Audio FMX Series 18" Subwoofer 2010-2011 Phase Control 0/180

Phase Control 0/180

as well as all GM 10DN

Measure Phase Difference between Voltage and Current into reactive loads (Power Factor)

Ferrite Motor

With a frequency response of 20Hz–200Hz and a sensitivity of 84dB

Sky High Car Audio FMX Series 18" Subwoofer 2010-2011 Phase Control 0/180Sky High Car Audio FMX Series Subwoofers Available in 6. 5 18 (excludes 10) D1 D2 Ohm Options FMX: Forged to Perform. Built to Endure. The FMX Series from Sky High Car Audio is the next evolution of our commitment to high output, thermally superior yet efficient subwoofers for serious bass enthusiasts. With decades of experience, competitive insight, and our long standing pursuit of big bass, the FMX Series builds upon our legacy by pushing limits.